Class 12 Computer Project

Computerized Billing System Computer project

2012-07-26T10:57:00.001-07:00

This computer project is useful for every one but was developed to solve the Project requirement of class –12 computer science student of CBSE school.

This project fullfil all the requirement of a class 12 computer project mainly : Classes, file handling and data structure.

The project use standard C++ library functions defined in standard header file along with some non standard header file, though fully supported by Turbo C++ but not a part of syllabus.

NOTE: This is a complete CPP project, Just copy the below code in any NOTPAD and save it with CPP extension. Compile it and run.

If you still have any problem using this project, Just drop your message and i will try to solve the problem as soon as possible.

//----------------------------------------------------------------------------
// Header Files Included
//----------------------------------------------------------------------------
#include<stdio.h>
#include<dos.h>
#include<string.h>
#include<fstream.h>
#include<ctype.h>
#include<graphics.h>
#include<conio.h>
//Function prototype declaration
void products_enter();
void members_enter();
void readp();
void readm();
void billing();
void sales();
void modifyp();
void modifym();
void instructions();
//----------------------------------------------------------------------------
// Function for GRAPHICS slide (cover page)
//----------------------------------------------------------------------------
int gmode,gdriver,r;
//----------------------------------------------------------------------------
// Structure for the products' records
//----------------------------------------------------------------------------

struct products_record
{
    float rate;
    int stock;
    int no;
    char name[20];
}; //end of structure
//Global variable
products_record ob1,ob2; //declaring objects of the structure
fstream pro1,pro2; //declaring a file stream
//----------------------------------------------------------------------------
// Structure for members' records
//----------------------------------------------------------------------------

struct members_record
{
    int no;
    char name[20];
    char add[50];
    long int tel;
    long int card;
    float amt ;
}; //end of structure
members_record m1,m2; //creating objects
fstream mem1,mem2;     //declaring streams;

//----------------------------------------------------------------------------
//structure for store opertaions
//----------------------------------------------------------------------------

struct tables
{
    int no;
    int qty;
    char name[20];
    float rate;
    float total;
};

tables n1,n2;
int i=0;
float discount=0.0;

//Welcome screen of computerized billing system
void welcome()
{
    gdriver=DETECT;       //request auto detection
    initgraph(&gdriver,&gmode,"c:\\turboc3\\bgi"); //initialising graph
    /* read result of initialization */
    int errorcode = graphresult();
    if (errorcode != grOk) /* an error occurred */
    {
        printf("Graphics error: %s\n", grapherrormsg(errorcode));
        printf("Press any key to halt:");
        getch();
        return;
    }
    setbkcolor(7);
    setcolor(15);
    settextstyle(SANS_SERIF_FONT,HORIZ_DIR,5);
    settextstyle(7,HORIZ_DIR,7);
    moveto(60,100);
    outtext("COMPUTERISED");
    moveto(160,210);
    outtext("BILLING ");
    moveto(160,320);
    outtext("SYSTEM");
    delay(1000);
    setcolor(7);
    int i=0;
    while(i<=2*getmaxx()-460)
    {
        line(0,i,i,0);
        i++;
        delay(15);
    }
    setcolor(RED);
    sound(1450);
    delay(20);
    sound(600);
    for (r=150;r<230;r+=15)
    {
        circle (315,239,r);
        sound(350+2*r);
        delay(19);
        sound(1250);
    }
    settextstyle(8,HORIZ_DIR,1);
    setcolor(LIGHTGREEN);
    sound(500);
    delay(5);
    moveto(245,160);
    outtext("Copyright (C)");
    sound(400);
    delay(23);
    moveto(185,180);
    sound(350);
    delay(50);
    sound(100);
    outtext("Reeta Sahoo");
    moveto(240,200);
    sound(250);
    delay(40);
    outtext("20006-2007 ");
    moveto(210,220);
    outtext("All Rights Reserved");
    sound(400);
    moveto(185,240);
    outtext("Code by: Reeta Sahoo");
    sound(450);
    moveto(185,260);
    delay(20);
    sound(600);
    delay(30);
    outtext("Email: gbsahoo@yahoo.com");
    nosound();
    moveto(10,450);
    cin.get();
    closegraph(); //closing graphics screen
}

//----------------------------------------------------------------------------
// Function for screen setting
//----------------------------------------------------------------------------
void border()
{
    clrscr();
    textcolor(WHITE);
    for (int i=2;i<80;i++)     //drawing horizontal lines
    {
        gotoxy(i,3);
        cprintf("-");
        gotoxy(i,23);
        cprintf("-");
    }
    for (i=4;i<23;i++)         //drawing vertical lines
    {
        gotoxy(2,i);
        cprintf("|");
        gotoxy(79,i);
        cprintf("|");
    }
}

//----------------------------------------------------------------------------
// Main program
//----------------------------------------------------------------------------

void main()
{
    clrscr();
    void highvideo();   //setting the intensity of text charaters to high
    welcome();          // calling the function for making the cover page
    remove("sale.dat");
    int n;
    char l='y';
    do
    {
        textcolor(LIGHTGREEN);
        border();       //making the border of the screen
        textcolor(LIGHTGREEN);
        gotoxy(30,5);
        cprintf("MAIN MENU");
        for (int z=29;z<=40;z++)
        {
            gotoxy(z,6);
            cprintf("-");
        }
        gotoxy(20,7);
        cprintf("1:ADD NEW PRODUCTS");
        gotoxy(20,8);
        cprintf("2:ADD NEW MEMBERS");
        gotoxy(20,9);
        cprintf("3:VIEW AN EXISTING PRODUCT RECORD ");
        gotoxy(20,10);
        cprintf("4:VIEW AN EXISTING MEMBER'S RECORD ");
        gotoxy(20,11);
        cprintf("5:BILLING ");
        gotoxy(20,12);
        cprintf("6:TODAY'S SALES ");
        gotoxy(20,13);
        cprintf("7:MODIFY PRODUCT RECORD ");
        gotoxy(20,14);
        cprintf("8:MODIFY MEMBER'S RECORD ");
        gotoxy(20,15);
        cprintf("9:INSTRUCTIONS ");
        gotoxy(20,16);
        cprintf("0:EXIT");
        gotoxy(20,19);
        cprintf("Enter your choice:");
        cin>>n;
        switch(n)
        {
            case 1:    products_enter();
                break;
            case 2:    members_enter();
                break;
            case 3:    readp();
                break;
            case 4:    readm();
                break;
            case 5:    billing();
                break;
            case 6:    sales();
                break;
            case 7:    modifyp();
                break;
            case 8:    modifym();
                break;
            case 9:    instructions();
                break;
            case 0:    l='n';
        }
    } while (l=='y');
    clrscr();
}

//----------------------------------------------------------------------------
// Function for getting the products' records
//----------------------------------------------------------------------------
void products_enter()
{
    int q=0;
    char l='y';
    pro1.open("products.dat",ios::in); //opening file in stream
    pro1.seekg(0,ios::end); //determining end of file
    q=pro1.tellg()/sizeof(products_record); //finding size of file
    q+=1255;
    pro1.close();
    pro1.open("products.dat" ,ios::app);

    do
    {
        textcolor(LIGHTBLUE);
        clrscr();
        border();
        textcolor(LIGHTBLUE);
        gotoxy(28,2);
        cprintf("ENTERING PRODUCT RECORDS ");
        gotoxy(15,6);
        cprintf("Name :");
        gets(ob1.name);
        if (!ob1.name[0])           //to undo entering if name is not entered
            return;
        gotoxy(15,7);
        cprintf("Stock :");
        cin>>ob1.stock;
        gotoxy(15,8);
        cprintf("Rate (Rs.):");
        cin>>ob1.rate;
        ob1.no = q++;
        gotoxy(15,9);
        cprintf("Number :");
        cout<<ob1.no;
        pro1.write((char*)&ob1,sizeof(products_record));
        gotoxy(10,15);
        cprintf("Do you want to enter more (Y/N) ");
        l=getch();
    } while (tolower(l)=='y');
    pro1.close();
}

//--------------------------------------------------------------
//Function for searching in the file
//--------------------------------------------------------------
products_record products_search(int no)
{
    fstream pro1; //declaring stream
    pro1.open("products.dat" ,ios::in||ios::nocreate); //opening the file
    while(pro1)
    {
        pro1.read((char*)&ob1,sizeof(products_record));
        //reading from file
        if (ob1.no==no)
            return ob1;   //returning the searched record
    }
    pro1.close();
    ob1.no=0;
    return ob1;
}

//----------------------------------------------------------------------------
//Function for modifying records
//----------------------------------------------------------------------------
void products_modify(int no)
{
    ob2.no=0;
    pro1.open("products.dat",ios::in); //opening the file
    pro2.open("product1.dat",ios::app); //opening another file
    pro1.seekg(0,ios::beg);    //locating beggining of file
    pro1.read((char*)&ob1,sizeof(products_record));
    //reading from file
    while (!pro1.eof() )      //testing for end of file
    {
        if (ob1.no!=no )
            pro2.write((char*)&ob1,sizeof(products_record));
            //writing in file
        else
            ob2=ob1;
        pro1.read((char*)&ob1,sizeof(products_record));
        //reading from file
    }
    //displaying previous reccords and entering new records
    if (ob2.no)
    {
        gotoxy(13,7);
        cprintf("CURRENT RECORDS ARE ");
        gotoxy(15,8);
        cprintf("NAME :");
        puts(ob2.name);
        gotoxy(15,9);
        cprintf("RATE :(Rs.)");
        cout<<ob2.rate;
        gotoxy(15,10);
        cprintf("STOCK :");
        cprintf("%d",ob2.stock);
        gotoxy(13,12);
        cprintf("ENTER NEW PRODUCT RECORDS");
        gotoxy(15,13);
        cprintf("NAME :");
        ob1.no=ob2.no;
        gets(ob1.name);
        if (!isalnum(ob1.name[0]))    //testing for an entry
            strcpy(ob1.name,ob2.name);   //retaining previous name when no entry
        gotoxy(15,14);
        cprintf("RATE :(Rs.)");
        cin>>ob1.rate;
        if (!ob1.rate)
             ob1.rate=ob2.rate;
        gotoxy(15,15);
        cprintf("STOCK :");
        cin>>ob1.stock;
        if (!ob1.stock)
            ob1.stock=ob2.stock;
        pro2.write((char*)&ob1,sizeof(products_record)); //writing in file
    }
    else
    {
        gotoxy(20,9);
        cprintf("NO ENTRY\a");
    }
    pro1.close(); //closing file
    pro2.close(); //closing file
    remove ("products.dat");     //deleting file
    rename ("product1.dat","products.dat");     //renaming file
}

//----------------------------------------------------------------------------
// Function to enter members' records
//----------------------------------------------------------------------------
void members_enter()
{
    int m;
    char l='y';
    //determining number of enteries in the file
    mem1.open("members.dat",ios::in);
    mem1.seekg(0,ios::end);
    m=mem1.tellg()/sizeof(members_record);
    mem1.close();
    m+=10;
    clrscr();
    mem1.open("members.dat",ios::app);        //opening file
    do
    {
        textcolor(LIGHTCYAN);
        clrscr();
        border();
        textcolor(LIGHTCYAN);
        gotoxy(28,2);
        cprintf("ENTERING MEMBER RECORDS ");
        gotoxy(15,6);
        cprintf("Name :");
        gets(m1.name);
        if (!m1.name[0])
            return; //undo entering when no name is entered
        gotoxy(15,7);
        cprintf("Card number :");
        cin>>m1.card;
        gotoxy(15,8);
        cprintf("Address :");
        gets(m1.add);
        gotoxy(15,9);
        cprintf("Tel. :");
        cin>>m1.tel;
        gotoxy(15,10);
        cprintf("Amount Deposited (Rs.):");
        cin>>m1.amt;
        if (m1.amt<=100)
        {
            gotoxy(15,11);
            cprintf("Amount less\a");
            gotoxy(15,12);
            cprintf("Try Again");
            goto end;
        }
        m1.no = m++;
        gotoxy(15,11);
        cprintf("Membership number :");
        cout<<m1.no;
        mem1.write((char*)&m1,sizeof(members_record));   //writing in file
        end:
        gotoxy(10,15);
        cprintf("Do you want to enter more (Y/N) ");
        l=getch();
    } while (tolower(l)=='y');
    mem1.close();
}

//----------------------------------------------------------------------------
// Function for searching in the file
//----------------------------------------------------------------------------
members_record members_search(int no)
{
    fstream mem2; //declaring stream
    mem2.open("members.dat",ios::in);       //opening file
    while (mem2)
    {
        mem2.read((char*)&m1,sizeof(members_record));   //reading from file
        if (m1.no==no)
            return m1; //returning the searched record
    }
    mem2.close();
    m1.no=0;
    return m1;
}

//----------------------------------------------------------------------------
// Function to modify members' records
//----------------------------------------------------------------------------
void members_modify(int no)
{
    m2.no=0;
    mem1.open("members.dat",ios::in);        //opening a file
    mem2.open("member1.dat",ios::app);       //opening another file
    mem1.seekg(0,ios::beg);
    mem1.read((char*)&m1,sizeof(members_record));
    while (!mem1.eof())                     //testing for end of file
    {
        if (m1.no!=no)
            mem2.write((char*)&m1,sizeof(members_record));
        else
            m2=m1;
        mem1.read((char*)&m1,sizeof(members_record));
    }
    //displaying current records and entering new records
    if (m2.no)
    {
        gotoxy(13,7);
        cprintf("CURRENT RECORDS ARE ");
        gotoxy(15,8);
        cprintf("NAME :");
        puts(m2.name);
        gotoxy(15,9);
        cprintf("CARD NUMBER :");
        cout<<m2.card;
        gotoxy(15,10);
        cprintf("ADDRESS :");
        puts(m2.add);
        gotoxy(15,11);
        cprintf("TELEPHONE :");
        cout<<m2.tel;
        gotoxy(15,12);
        cprintf("AMOUNT :(Rs.)");
        cout<<m2.amt;
        gotoxy(13,14);
        cprintf("ENTER NEW RECORDS");
        gotoxy(15,15);
        cprintf("NAME :");
        m1.no=m2.no;
        gets(m1.name);
        if (!m1.name[0])
            strcpy(m1.name,m2.name);
        gotoxy(15,16);
        cprintf("ADDRESS :");
        gets(m1.add);
        if (!m1.add[0])
            strcpy(m1.add,m2.add);
        gotoxy(15,17);
        cprintf("CARD NUMBER :");
        cin>>m1.card;
        if (!m1.card)
            m1.card=m2.card;
        gotoxy(15,18);
        cprintf("TELEPHONE :");
        cin>>m1.tel;
        if (!m1.tel)
            m1.tel=m2.tel;
        gotoxy(15,19);
        cprintf("AMOUNT ADDED :(Rs.)");
        cin>>m1.amt;
        m1.amt+=m2.amt;
        mem2.write((char*)&m1,sizeof(members_record));
    }
    else
    {
        gotoxy(20,10);
        cprintf("NO ENTRY\a");
    }
    mem1.close();       //closing file
    mem2.close();       //closing file
    remove ("members.dat");        //removing file
    rename ("member1.dat","members.dat");        //renaming file
}

//----------------------------------------------------------------------------
// Function for reading product records
//----------------------------------------------------------------------------
void readp()
{
    char l='y';
    do
    {
        textcolor(LIGHTBLUE);
        clrscr();
        border();
        textcolor(LIGHTBLUE);
        gotoxy(28,2);
        cprintf("VIEWING PRODUCT RECORDS ");
        gotoxy(15,6);
        cprintf("Enter product number:");
        int no;
        cin>>no;
        ob1=products_search(no);           //calling for search in the file
        // displaying records
        if (ob1.no)
        {
            gotoxy(18,9);
            cprintf("The record is");
            gotoxy(20,10);
            cprintf(" Number :");
            cout<<ob1.no;
            gotoxy(20,11);
            cprintf(" Stock :");
            cout<<ob1.stock;
            gotoxy(20,12);
            cprintf(" Name : ");
            puts(ob1.name);
            gotoxy(20,13);
            cprintf(" Rate :(Rs.)");
            cout<<ob1.rate;
        }
        else
        {
            gotoxy(20,10);
            cprintf("NO ENTRY \a");
        }
        gotoxy(15,16);
        cprintf("Any more records desired (Y/N)");
        l=getch();
    } while(tolower(l)=='y');
}

//----------------------------------------------------------------------------
// Function to pruduce screen for 'modify product records'
//----------------------------------------------------------------------------
void modifyp()
{
    char l='y';
    do
    {
        textcolor(LIGHTBLUE);
        clrscr();
        border();
        textcolor(LIGHTBLUE);
        gotoxy(25,2);
        cprintf("MODIFYING A PRODUCT RECORD");
        gotoxy(15,5);
        cprintf("Enter the product number:");
        int no;
        cin>>no;
        products_modify(no);         //calling for modifications
        gotoxy(13,20);
        cprintf("Any more modifications desired(Y/N)");
        l=getch();
    } while (tolower(l)=='y');
}

//----------------------------------------------------------------------------
// Function to read members' records
//----------------------------------------------------------------------------
void readm()
{
    char l='y';
    do
    {
        textcolor(LIGHTCYAN);
        clrscr();
        border();
        textcolor(LIGHTCYAN);
        gotoxy(25,2);
        cprintf("VIEWING A MEMBER'S RECORD ");
        gotoxy(15,6);
        cprintf("Enter membership number:");
        int no;
        cin>>no;
        m1=members_search(no);          //calling for search
        //displaying records
        if (m1.no)
        {
            gotoxy(18,9);
            cprintf("The record is");
            gotoxy(20,10);
            cprintf("Number :");
            cout<<m1.no;
            gotoxy(20,11);
            cprintf("Name :");
            puts(m1.name);
            gotoxy(20,12);
            cprintf("Card number :");
            cout<<m1.card;
            gotoxy(20,13);
            cprintf("Address :");
            puts(m1.add);
            gotoxy(20,14);
            cprintf("Telephone :");
            cout<<m1.tel;
            gotoxy(20,15);
            cout<<"Amount :(Rs.)"<<m1.amt;
        }
        else
        {
            gotoxy(17,12);
            cprintf("NO ENTRY\a ");
        }
        gotoxy(15,18);
        cprintf("Any more records desired (Y/N)");
        l=getch();
    } while(tolower(l)=='y');
}

//----------------------------------------------------------------------------
// Function to display screen for 'modify members' records
//----------------------------------------------------------------------------
void modifym()
{
    char l='y';
    do
    {
        textcolor(LIGHTCYAN);
        clrscr();
        border();
        gotoxy(25,2);
        cprintf("MODIFYING MEMBER'S RECORDS ");
        gotoxy(15,5);
        cprintf("Enter the membership number:");
        int no;
        cin>>no;
        members_modify(no);          //calling for modifications
        gotoxy(13,22);
        cprintf("Any more modifications desired(Y/N)");
        l=getch();
    } while(tolower(l)=='y');
}

//----------------------------------------------------------------------------
// Function for creating 'sale.dat'
//----------------------------------------------------------------------------
// Function for billing
//----------------------------------------------------------------------------
void billing()
{
    textcolor(LIGHTRED);
    clrscr();
    border();
    textcolor(LIGHTRED);
    fstream b1;                   //declaring stream
    b1.open("sale.dat",ios::app);    //opening file
    gotoxy(30,2);
    cprintf("BILLING ");
    gotoxy(15,7);
    cprintf("Are you a member(Y/N):");
    float less=1.0;
    char m;
    int no;
    long card;
    m=getche();
    if (tolower(m)=='y')
    {
        gotoxy(18,9);
        cprintf("Enter membership number:");
        cin>>no;
        gotoxy(18,10);
        cprintf("Enter card number:");
        cin>>card;
        m1=members_search(no);
        if (card!=m1.card)         //checking for authenticity of the details
        {
            gotoxy(20,12);
            cprintf("Incorrect \a");
            getch();
            return;                  //undoing billing process
        }
        else
        if (m1.amt>100)
        {
            less=0.95;
            m1.amt-=5;
        }
        else
        {
            gotoxy(20,12);
            cprintf("Amount Less\a");
            gotoxy(15,15);
            cprintf("Continue with normal billing(Y/N)");
            m=getch();
            if (tolower(m)=='n')
                return;
        }
        //decreasing the members' amount if the details are correct
        fstream t3,t4;
        t3.open("members.dat",ios::in);
        t4.open("member1.dat",ios::app);
        t3.seekg(0,ios::beg);
        t3.read((char*)&m2,sizeof(members_record));
        while (!t3.eof())
        {
            if (m2.no!=m1.no)
                t4.write((char*)&m2,sizeof(members_record));
            else
                t4.write((char*)&m1,sizeof(members_record));
            t3.read((char*)&m2,sizeof(members_record));
        }
        t3.close();
        t4.close();
        remove("members.dat");
        rename("member1.dat","members.dat");
    }
    clrscr();
    float total=0.0;
    textcolor(LIGHTGREEN);
    gotoxy(60,1);
    cprintf("p.no.= 0:Exit Billing");
    textcolor(LIGHTRED);
    gotoxy(30,1);
    cprintf("BILLING");
    i=0;
    void table1();         //function declaration for making table
    beg:                    //giving line a name for further reference
    table1();              //calling function for making table
    gotoxy(4,6+i);
    cin>>n1.no;
    ob1=products_search(n1.no);     //searching for product record
    gotoxy(56,6+i);
    float output1(products_record); //declaring a nested function
    if (n1.no>0)
    {
        if(ob1.no>0)
        {
            cin>>n1.qty;
            strcpy(n1.name,ob1.name);
            n1.rate=ob1.rate;
            n1.total=output1(ob1);
            total+=n1.total;
            fstream t3,t4;
            t3.open("sale.dat",ios::in);
            t4.open("sale1.dat",ios::app);
            t3.seekg(0,ios::beg);
            int qty=n1.qty;
            n1.qty=n1.total/n1.rate;
            char test='y';
            t3.read((char*)&n2,sizeof(tables));
            while (!t3.eof())
            {
                if (n1.no==n2.no)
                {
                    n2.qty+=n1.qty;
                    n2.total+=n1.total;
                    test='n';
                }
                t4.write((char*)&n2,sizeof(tables));
                t3.read((char*)&n2,sizeof(tables));
            }
            if (test=='y')
            {
                t4.seekg(0,ios::end);
                t4.write((char*)&n1,sizeof(tables));
            }
            t3.close();
            t4.close();
            remove("sale.dat");
            rename("sale1.dat","sale.dat");
            n1.qty=qty;
            if (n1.total)
            {
                //reducing the products' stock
                fstream temp3,temp4;
                temp3.open("products.dat",ios::in);
                temp4.open("product1.dat",ios::app);
                temp3.seekg(0,ios::beg);
                temp3.read((char*)&ob1,sizeof(products_record));
                while (!temp3.eof())
                {
                    if (ob1.no==n1.no)
                        ob1.stock-=n1.qty;
                    temp4.write((char*)&ob1,sizeof(products_record));
                    temp3.read((char*)&ob1,sizeof(products_record));
                }
                temp3.close();
                temp4.close();
                remove("products.dat");
                rename("product1.dat","products.dat");
            }
            i++;
            goto beg;
        }
        else
            if (ob1.no==0)
            {
                gotoxy(10,6+i);
                cprintf("No entry\a");
                i++;
                goto beg;
            }
    }
    else
        if (n1.no==0)
        {
            textcolor(WHITE);
            for (int j=0;j<81;j++)          //ending table
            {
                gotoxy(j,6+i);
                cprintf("-");
            }
        }
        textcolor(LIGHTRED);
        gotoxy(5,9+i);
        cprintf("Number of items = ");
        cout<<i;
        gotoxy(5,10+i);
        cprintf("Grand total = Rs.");
        cout<<total;
        //giving discount
        if (less!=1)
        {
            discount+=0.05*total;
            gotoxy(5,12+i);
            cprintf("Discount = Rs.");
            cout<<0.05*total;
            gotoxy(5,13+i);
            cprintf("Net total = Rs.");
            cout<<less*total;
        }
        b1.close();
        getch();
}
//----------------------------------------------------------------------------
// nested function of 'billing'
//----------------------------------------------------------------------------
float output1(products_record ob1)
{
    if (ob1.no==0)    //if no entry then return to billing
    return 0;
    float stotal;
    stotal=ob1.rate*n1.qty; //determining the cost of the particular item
    //putting the values on the screen
    gotoxy(4,6+i);
    cout<<ob1.no;
    gotoxy(10,6+i);
    puts(ob1.name);
    gotoxy(38,6+i);
    cout<<ob1.rate;
    gotoxy(43,6+i);
    cout<<"     ";
    gotoxy(56,6+i);
    if (n1.qty>ob1.stock)     //checking for the item being in stock
    {
        gotoxy(50,6+i);
        cprintf("Out of stock\a");
        return 0;
    }
    cout<<n1.qty;
    gotoxy(68,6+i);
    cout<<stotal;
    gotoxy(74,6+i);
    cout<<"      ";
    return stotal;
}

//----------------------------------------------------------------------------
// Function for making table
//----------------------------------------------------------------------------
void table1()
{
    textcolor(WHITE);
    //drawing vertical lines
    for (int a=1;a<=80;a++)
    {
        gotoxy(a,2);
        cprintf("_");
        gotoxy(a,5);
        cprintf("-");
    }
    //drawing horizontal lines(always)
    for (a=3;a<=5;a++)
    {
        gotoxy(1,a);
        cprintf("|");
        gotoxy(9,a);
        cprintf("|");
        gotoxy(31,a);
        cprintf("|");
        gotoxy(49,a);
        cprintf("|");
        gotoxy(64,a);
        cprintf("|");
        gotoxy(80,a);
        cprintf("|");
    }
    /* drawing horizontal lines
    (depending upon the s.no. of item in purchase list)*/
    gotoxy(1,6+i);
    cprintf("|");
    gotoxy(9,6+i);
    cprintf("|");
    gotoxy(31,6+i);
    cprintf("|");
    gotoxy(49,6+i);
    cprintf("|");
    gotoxy(64,6+i);
    cprintf("|");
    gotoxy(80,6+i);
    cprintf("|");
    textcolor(LIGHTRED);
    //giving column titles
    gotoxy(2,3);
    cprintf("Product");
    gotoxy(14,3);
    cprintf("Product name ");
    gotoxy(35,3);
    cprintf("Rate (Rs.)");
    gotoxy(53,3);
    cprintf("Quantity");
    gotoxy(67,3);
    cprintf("Total (Rs.)");
    gotoxy(2,4);
    cprintf("number");
    gotoxy(53,4);
    cprintf("(Kgs/pcs)");
}

//----------------------------------------------------------------------------
// Function for viewing the day's sale
//----------------------------------------------------------------------------
void sales()
{
    textcolor(LIGHTRED);
    clrscr();
    textcolor(LIGHTRED);
    gotoxy(28,1);
    cprintf("TODAY'S SALES");
    float sales=0.0;
    fstream sal1;
    sal1.open("sale.dat",ios::in);
    i=0;
    sal1.read((char*)&n1,sizeof(n1));
    while(!sal1.eof() && n2.no!=n1.no)
    {
        table1();
        gotoxy(4,6+i);
        cout<<n1.no;
        gotoxy(10,6+i);
        puts(n1.name);
        gotoxy(38,6+i);
        cout<<n1.rate;
        gotoxy(43,6+i);
        cout<<"     ";
        gotoxy(56,6+i);
        cout<<n1.qty;
        gotoxy(68,6+i);
        cout<<n1.total;
        sales+=n1.total;
        gotoxy(74,6+i);
        cout<<"     ";
        i++;
        n2.no=n1.no;
        sal1.read((char*)&n1,sizeof(n1));
    }
    textcolor(WHITE);
    gotoxy(1,6+i);
    for(int n=1;n<=80;n++)
        cprintf("-");
    textcolor(LIGHTRED);
    gotoxy(5,8+i);
    cprintf("Grand total = Rs.");
    cout<<sales;
    gotoxy(5,10+i);
    cprintf("Discount = Rs.");
    cout<<discount;
    gotoxy(5,11+i);
    cprintf("Net total = Rs.");
    cout<<(sales-discount);
    getch();
}

//----------------------------------------------------------------------------
// Instructions
//----------------------------------------------------------------------------
// Function for help on entering records

void enter()
{
    border();
    gotoxy(5,1);
    cprintf("Entering Records");
    gotoxy(5,7);
    textcolor(11);
    cprintf("For Products");
    textcolor(13);
    gotoxy(5,10);
    cprintf("This part of the program helps the store management to ");
    cprintf("add more");
    gotoxy(5,9);
    cprintf("products to their store. The existing product records are");
    cprintf(" not ");
    gotoxy(5,10);
    cprintf("affected by this option. The new record(s) are appended at");
    cprintf(" the end");
    gotoxy(5,11);
    cprintf("of the file containing such records namely ");
    textcolor(12);
    cprintf("'products.dat'");
    textcolor(13);
    cprintf(". This");
    gotoxy(5,12);
    cprintf("option automatically assigns a product number to the product");
    cprintf(" which");
    gotoxy(5,13);
    cprintf("must be remembered for any product reference.");
    gotoxy(5,15);
    textcolor(11);
    cprintf("For members");
    textcolor(13);
    gotoxy(5,17);
    cprintf("This option works just like its counterpart for products. It");
    cprintf(" stores");
    gotoxy(5,18);
    cprintf("records in the file ");
    textcolor(12);
    cprintf("'members.dat'");
    textcolor(13);
    cprintf(" and assigns a membership number ");
    gotoxy(5,19);
    cprintf("for every new entry. For further details see the help section");
    cprintf(" on ");
    textcolor(12);
    gotoxy(5,20);
    cprintf("'Membership Rules'.");
    textcolor(13);
    getch();
}

//Function for help on viewing records

void view()
{
    border();
    gotoxy(30,5);
    cprintf("Viewing Records");
    gotoxy(10,7);
    cprintf("This option enables the user to view the latest records of ");
    gotoxy(10,8);
    cprintf("either products or members. It helps in operations like ");
    gotoxy(10,9);
    cprintf("stock checking and member verification. The viewing is");
    gotoxy(10,10);
    cprintf("only possible with the product/membership numbers.");
    getch();
}

//Function for help on modifying records
void modify()
{
    border();
    gotoxy(30,5);
    cprintf("Modifying Records");
    gotoxy(10,7);
    cprintf("This option helps in altering the records in the files.");
    gotoxy(10,8);
    cprintf("It can be used for deleting the entries as well. In ");
    gotoxy(10,9);
    cprintf("case of products either the record could be changed to");
    gotoxy(10,10);
    cprintf("some new entry or its stock could be made zero. For members");
    gotoxy(10,11);
    cprintf("deletion is only possible by overwriting with a new entry.");
    getch();
}

// Function for help on billing process
void procedure()
{
    border();
    gotoxy(30,5);
    cprintf("Billing Procedure");
    gotoxy(10,7);
    cprintf("The actual billing procedure consists of two sections.");
    gotoxy(10,8);
    cprintf("One checks if the buyer is a member or not and accordingly");
    gotoxy(10,9);
    cprintf("performs the necessary tasks. The other section consists of ");
    gotoxy(10,10);
    cprintf("billing. The user is asked to enter the product number and the ");
    gotoxy(10,11);
    cprintf("quantity bought. The computer calculates the total itself and ");
    gotoxy(10,12);
    cprintf("also the discount if necessary. In order to exit the procedure");
    gotoxy(10,13);
    cprintf("and view the final total, the user should enter the product number");
    gotoxy(10,14);
    cprintf("as '0'.");
    getch();
}

// Function for help on Membership details
void rules()
{
    border();
    gotoxy(30,5);
    cprintf("Membership Rules");
    gotoxy(5,7);
    cprintf("The program lets its subscribers (stores) maintain a");
    cprintf(" member's list");
    gotoxy(5,8);
    cprintf("in order to help them in increasing their sales for a");
    cprintf(" marginal cut");
    gotoxy(5,9);
    cprintf("in their profits. The program sets minimum membership ");
    cprintf("amount as Rs.100");
    gotoxy(5,10);
    cprintf("which must be paid at the time of registration. The member");
    cprintf(" will be ");
    gotoxy(5,11);
    cprintf("given a membership number and a membership card (to be");
    cprintf("collected ");
    gotoxy(5,12);
    cprintf("after a week by reference to the membership number and ");
    cprintf("other");
    gotoxy(5,13);
    cprintf("particulars). In case a member loses the membership card ");
    cprintf(", he/she ");
    gotoxy(5,14);
    cprintf("must register a complaint with the store by submitting a");
    cprintf(" written");
    gotoxy(5,15);
    cprintf("application with all the particulars. He/She can collect ");
    cprintf("his/her ");
    gotoxy(5,16);
    cprintf("remaining money by showing proofs of the particulars.");
    gotoxy(5,17);
    cprintf("The membership allows a person to avail a special discount");
    cprintf(" of 5%");
    gotoxy(5,18);
    cprintf("over every purchase. Rs.5 will be subtracted from the ");
    cprintf("member's account");
    gotoxy(5,19);
    cprintf("over every purchase. The account will be rendered ");
    cprintf("inaccessible if the ");
    gotoxy(5,20);
    cprintf("amount will be less than Rs.100 and the member would be");
    cprintf(" expected to ");
    gotoxy(5,21);
    cprintf("deposit more money for continuing the membership. The store");
    cprintf(" will also");
    gotoxy(5,22);
    cprintf("give away attractive gifts to a lucky member once every year.");
    getch();
}

// Functiom for help on today's sales

void today()
{
    border();
    gotoxy(30,5);
    cprintf("Today's sales");
    gotoxy(10,7);
    cprintf("This option shows the total sales in terms of both quantity");
    gotoxy(10,8);
    cprintf("and amount per item. This is stored in a file namely ");
    gotoxy(10,9);
    cprintf("'sale.dat' which is modified after every buying during the");
    gotoxy(10,10);
    cprintf("billing process.");
    getch();
}

//Function for displaying help index
void instructions()
{
    clrscr();
    int n;
    char l='y';
    do
    {
        textcolor(13);
        border();
        textcolor(13);
        gotoxy(30,5);
        cprintf("HELP INDEX");
        for (int z=29;z<=39;z++)
        {
            gotoxy(z,6);
            cprintf("-");
        }
        gotoxy(20,7);
        cprintf("1:ADD RECORDS");
        gotoxy(20,8);
        cprintf("2:VIEWING RECORDS ");
        gotoxy(20,9);
        cprintf("3:MODIFYING RECORDS");
        gotoxy(20,10);
        cprintf("4:BILLING PROCEDURE");
        gotoxy(20,11);
        cprintf("5:TODAY'S SALES ");
        gotoxy(20,12);
        cprintf("6:MEMBERSHIP DETAILS");
        gotoxy(20,13);
        cprintf("0:BACK TO MAIN MENU");
        gotoxy(21,16);
        cprintf("Enter your choice:");
        cin>>n;
        switch(n)
        {
            case 1:    enter();
                break;
            case 2:    view();
                break;
            case 3:    modify();
                break;
            case 4:    procedure();
                break;
            case 5:    today();
                break;
            case 6:    rules();
                break;
            case 0:    l='n';
        }
    } while (l=='y');
}

//---------------------------------------------------------------------------
// Function for ending screen
//----------------------------------------------------------------------------

void end()
{
    gdriver=DETECT;       //request auto detection
    initgraph(&gdriver,&gmode,"..\bgi"); //initialising graph
    /* read result of initialization */
    int errorcode = graphresult();
    if (errorcode != grOk) /* an error occurred */
    {
        printf("Graphics error: %s\n", grapherrormsg(errorcode));
        printf("Press any key to halt:");
        getch();
        return;
    }
    setcolor(BROWN);
    setbkcolor(WHITE);
    rectangle(10,10,getmaxx()-10,getmaxy()-10);
    rectangle(15,15,getmaxx()-15,getmaxy()-15);
    settextstyle(7,0,8);
    moveto(90,75);
    outtext("THANK YOU");
    closegraph();
}

Flow of Control Assignment

2012-07-26T10:43:00.001-07:00

These are the assignment for all the student who wants to check his/her strength in looping and in branching statement. Just try to solve and enjoy.

Q1. Write a program in C++ to print the following pattern on the monitor

1 2

1 2 3

1 2 3 4

1 2 3 4 5

Q2. Write a program in C++ to print the following pattern on the monitor

2 2

3 3 3

4 4 4 4

5 5 5 5 5

Q3. Write a program in c++ to print the following pattern on the monitor

1 0

1 0 1

1 0 1 0

1 0 1 0 1

Q5. Write a program in c++ to print the following pattern on the monitor

0 1

1 0 1

0 1 0 1

1 0 1 0 1

Q6. Write a program in c++ to print the following pattern on the monitor

1 2 2 2

1 3 2 3 3 3

Q7. Write a program in c++ to print the following pattern on the monitor

1 2

1 2 3

1 2 3 4

1 2 3 4 5

Q8. Write a program in C++ to print the following pattern on the monitor

1

1 2 1

1 2 3 2 1

1 2 3 4 3 2 1

1 2 3 4 5 4 3 2 1

Q9 Write a program in C++ to print the following pattern on the monitor

2 3 4

5 6 7 8 9

10 11 12 13 14 15 16

17 18 19 20 21 22 23 24 25

Q10. Write a program in C++ to print the following pattern on the monitor

2 3

4 5 6

7 8 9 10

11 12 13 14 15

Q11 Write a program in C++ to print the following pattern on the monitor

* *

* * *

* * * *

* * * * *

Q12. Write a program in C++ to print the following pattern on the monitor

1

1 2

1 2 3

1 2 3 4

1 2 3 4 5

1 2 3 4 5 6

Q13. Write a program in C++ to print the following pattern on the monitor

2 3

4 5 6

7 8 9 10

11 12 13 14 15

Q14. Write a program in C++ to print the following pattern on the monitor

1 2 1

1 2 3 2 1

1 2 3 4 3 2 1

1 2 3 4 5 4 3 2 1

1 2 3 4 3 2 1

1 2 3 2 1

1 2 1

Q15. Write a program in C++ to print the following pattern on the monitor

1 2 3 4 5 6 5 4 3 2 1

1 2 3 4 5 5 4 3 2 1

1 2 3 4 4 3 3 1

1 2 3 3 2 1

1 2 2 1

1 1

Q15. Write a program in C++ to print the following pattern on the monitor

A B C D E F E D C B A

A B C D E E D C B A

A B C D D C B A

A B C C B A

A B B A

A A

Q16. Write a function to read three numbers from the keyboard and find out the largest from them?

Q17. Write a function to read three numbers from the keyboard and arrange them in ascending order (do not sort them )

Q18. Write a program in C++ to read 10 integer numbers from the keyboard and find out the sum and average of all the entered numbers

Q.19 Write a program in C++ to read 10 numbers from the keyboard and find out the largest number from them?

Q20. Write a program in C++ to read 10 numbers from the keyboard and find out the largest and lowest numbers from them

Q21. Write a program in C++ to read 10 numbers from the keyboard and find out the largest and second largest number from them.

Q22. Write a program in C++ to read an integer number and find out the sum of it’s digits?

Q23. Write a program in C++ to read an integer number and find out the reverse of the digits?

Example Number = 1234 result is = 4321

Q24. Write a program in C++ to read a number and check if the entered number is Armstrong or not ?

Q25. Write a program in C++ to find out all the Armstrong numbers between 1 and 1000.

Q26 Write a program in C++ to read a number and check if it is palindrome or not.

Q27. Write a program in C++ to find out all the palindrome number between 100 and 500.

Q28. Write a program in C++ to read a binary number and convert this number in to its equivalent decimal number

Q29. Write a program in C++ to read a number and check if it is auto morphic or not . if it is automorphic

display a proper message on the sceen.( A number when multiplied by it self , the resultant number contains the last digits of the original number )

Example ( 5 )² = 2 5

( 6) ² = 36

(25 )² = 625

Q30 Write a program in C++ to read a number and check if it is prime or not ?

Q31 Write a program in C++ find out all the prime number between 100 and 200

Q32 Write a program in C++ to read a number and find out all the odd prime factor of a given number?

Q33 Write a program in C++ to read a number from the keyboard and find out the factorial of this given integer Number

Q34. Write a program in C++ to read two numbers from the keyboard and find out the largest from them?

Q35 Write a program in C++ to read three numbers and find out the largest among them?

Q36 Write a program in C++ to read the total marks obtained by a student in a subject . Find out the Grade of the student in that subject. The criteria for calculating grades is as follows

Marks obtained Grade

>= 90 A1

< 90 and >=80 A2

<80 AND >=70 B1

< 70 AND > = 60 B2

< 60 C1

Q37. Write a program in C++ to read the total number of electricity unit consumed by the consumer . The tariff plan for the bill is as follows

Unit Rate/Unit(Rs.)

<=100 1.00

> 100 and < = 200 2.50

>200 and < = 400 3.00

> 400 4.10

calculate the total bill, consumer have to pay?

Q38. Write a program in C++ to read a number from the keyboard and display the corresponding day of the week.

Example : If user enters 2 . Computers print : Tuesday

If user enters 7 . Computers print : Sunday

Q39. Write a program to read a year and check if it is Leap year or not ?

Q40. Write a program to read a number from the keyboard and find out the factorial of the given number?

Q41 Write a program in C++ to read two numbers X and Y and find out X^Y.( Do not use built in library

function)

Q42 Write a program in C++ to print the following series on the monitor

1,2,3,4,5,6,7,…………………………………………………………………10000

Q43 Write a program in C++ to print the following series on the monitor

2,4,6,,8,10……………………………………………………………………10000

Q44. Write a program in C++ to print the following series on the monitor

1,3,5,7,9………………………………………………………………………999

Q45 Write a program in C++ to print the following series on the monitor

1,5,9,13……………………………………………………………………….999

Q46 Write a program in C++ to print the following series on the monitor

1,4,9,16……………………………………………………………………….100

Q47. Write a program in C++ to print the following series on the monitor

1,8,27,64……………………………………………………………………..1000

Q49. Write a program in C++ to print every integer between 1 and N divisible by M. Also report whether that

number is even or odd.

Q50. Write a program in C++ to find the sum of the following series

S = 1+x+x²+x³+x⁴+……………………………….xⁿ

Student Report Card Generator computer science student

2012-07-26T10:33:00.001-07:00

Student Report Card Generator cpp project for class 12 Computer Science student. This class 12 computer project contains all the desired information required by a computer project to submit in CBSE practical examination, i,e. Classes, File Handing, Data Structure.

Note : Kindly note that this project is developed using Turbo C++ 3.0 Editor for DOS. You are required to copy this code into NOTEPAD and save the same in CPP extension on your hard disk.

Source code for : Student Report Card Generator

#include <stdlib.h>
#include <conio.h>
#include <fstream.h>
#include <iostream.h>
#include<stdio.h>
#include<graphics.h>
#include<dos.h>
#include<string.h>

int op,rol;     //Global Variable
class student
    {
     public:
          char name[30],fname[20];
          int age;
          int subno;
          char subname[5][10];
          int cls;
          int mark[10],maxmark[20],roll,maxtotal,total;
          float avg,per;
          char grade[2],grade1[2];
          int rank;
      student()               //Constructor
         {
          strcpy(grade,"P");
          strcpy(grade1,"P");
         }
      void enter();
      void reading();
      void writing();
      void display();
      int check(int,int);
      void copy(int);
    };

int pass(int s,int m) //to find the average
   {
     return((s*100)/m);
   }
void student::enter()       //to read the details of students
{
    setbkcolor(CYAN);
    int x=5,y=13,a=20,z=13,b=35,c=13;
    again:cleardevice();
    rectangle(70,65,375,65);
    gotoxy(10,4);
    settextstyle(4,0,1);
    outtextxy(170,10,"ENTER STUDENT DETAILS");
    rectangle(10,40,620,420);
    outtextxy(18,40,"Name");
    gets(name);
    gotoxy(18,6);
    line(130,100,350,100);
    outtextxy(18,75,"Father Name");
    gets(fname);
    line(425,65,455,65);
    gotoxy(55,4);
    settextstyle(4,0,1);
    outtextxy(390,40,"Age");
    cin>>age;
    gotoxy(10,8);
    settextstyle(4,0,1);
    line(65,130,90,130);
    outtextxy(18,105,"Class");
    cin>>cls;
    gotoxy(22,8);
    settextstyle(4,0,1);
    line(160,130,190,130);
    outtextxy(120,105,"Roll");
    cin>>roll;
    total=0;
    settextstyle(4,0,1);
    gotoxy(28,10);
    line(205,162,230,162);
    outtextxy(18,135,"Enter the no of subject");
    cin>>subno;
    outtextxy(18,160,"Subject");
    for(int i=0;i<subno;i++)
      {
      gotoxy(x,y);
      cin>>subname[i];
      y++;
      }
    outtextxy(100,160,"Enter the marks");
    total=0;maxtotal=0;
    for( i=0;i<subno;i++)
      {
      gotoxy(a,z);
      cin>>mark[i];
      total+=mark[i];
      z++;
      }
     int r;
     outtextxy(240,160,"Enter the maxmarks");
     for( i=0;i<subno;i++)
      {
       gotoxy(b,c);
       cin>>maxmark[i];
       maxtotal+=maxmark[i];
       r=pass(mark[i],maxmark[i]);
       if(r<35)
     {
         strcpy(grade,"F");
         strcpy(grade1,"F");
     }
    c++;
    }
      avg=r;
      if(check(roll,cls)==0)        //Checking for exsisting records
       {     cleardevice();
         outtextxy(150,90,"Already Exists");
         delay(1000);
         getch();
         goto again;
    }
       }
void student::display() //To display the details
      {
    cleardevice();
    settextstyle(7,0,1);
    char agee[20],classs[20],rolll[20],totall[20],avgg[20];
    itoa(age,agee,10);
    itoa(cls,classs,10);
    itoa(roll,rolll,10);
    itoa(total,totall,10);
    itoa(avg,avgg,10);
    outtextxy(18,40,"Name");
    outtextxy(100,40,name);
    outtextxy(18,80,"Roll");
    outtextxy(100,80,rolll);
    outtextxy(18,120,"Age");
    outtextxy(100,120,agee);
    outtextxy(18,160,"Class");
    outtextxy(100,160,classs);
    outtextxy(18,200,"Total");
    outtextxy(100,200,totall);
    outtextxy(18,240,"Average");
    outtextxy(100,240,avgg);
    getch();
      }
int student::check(int r,int c) //seraching records from a file
   {
       student s;
       ifstream in("stude.dat",ios::binary);
       while(in.read((char *)&s,sizeof(s)))
     {
      if(s.roll==r && s.cls==c)
        {
         in.close();
         return 0;
         }
      if(in.eof())
         break;
       }
     in.close();
     return 1;
    }
void student::writing() // Write the records in to the file
    {
       cleardevice();
       ofstream out("stude.dat",ios::app|ios::binary);
       student s;
       s.enter();
       out.write((char *)&s,sizeof(s));
       out.close();
    }
void student::reading()   //Reading records from a file
   {
       student s;
       cleardevice();
       ifstream in("stude.dat",ios::binary);
       int f=0;
       while(in.read((char *)&s,sizeof(s)))
     {
     f=1;
     s.display();
     if (in.eof())
        break;
     }
     if(f==0)
         outtextxy(150,90,"No record exixt");
     getch();
     in.close();
   }
void rep_disp()   //To display report card
{
    student s;
    int f=0;
    ifstream in("reportt.dat",ios::binary);
    while(in.read((char *)&s,sizeof(s)))
       {
     if(s.roll==rol)
    {
     f=1;
     char agee[20],classs[20],rolll[20],totall[20],maxtotall[20],gradee[20];
     cleardevice();
     setlinestyle(SOLID_LINE,1,1);
     rectangle(0,0,getmaxx(),getmaxy());
     rectangle(0,10,getmaxx(),getmaxy()-10);
     outtextxy(140,70,"BIKANER");
     delay(1000);
     outtextxy(270,70," BOYS ");
     delay(1000);
     outtextxy(360,70," SCHOOL");
     delay(1000);
     outtextxy(180,100,"(Senior Secondary School)");
     delay(1000);
     outtextxy(180,170,"PROGRESS    REPORT");
     delay(1000);
     outtextxy(210,200,"2005-2006");
     setcolor(6);
     outtextxy(140,270,"\"Good education is a real treasure\"");
     delay(1000);
     cleardevice();
     setcolor(15);
     setlinestyle(DOTTED_LINE,1,1);
     outtextxy(140,10,"BIKANER BOYS SCHOOL,BIKANER");
     rectangle(10,40,620,420);
     line(75,65,350,65);
     outtextxy(18,40,"Name");
     setcolor(4);
     outtextxy(85,40,strupr(s.name));
     setcolor(15);
     line(150,100,350,100);
     outtextxy(18,75,"Father Name");
     setcolor(4);
     outtextxy(160,75,strupr(s.fname));
     setcolor(15);
     line(425,65,465,65);
     outtextxy(390,40,"Age");
     itoa(s.age,agee,10);
     setcolor(4);
     outtextxy(430,40,agee);
     setcolor(15);
     line(65,130,100,130);
     outtextxy(18,105,"Class");
     itoa(s.cls,classs,10);
     setcolor(4);
     outtextxy(73,105,classs);
     setcolor(15);
     line(160,130,190,130);
     outtextxy(120,105,"Roll");
     itoa(s.roll,rolll,10);
     setcolor(4);
     outtextxy(165,105,rolll);
     setcolor(15);
     outtextxy(20,155,"Subject");
     outtextxy(170,155,"Marks");
     outtextxy(300,155,"Max. Marks");
     setcolor(4);
     int x=20,y=185,a=190,z=185,b=335,c=185;
     char markk[30],maxx[30];
     for(int i=0;i<s.subno;i++)
        {
        gotoxy(x,y);
        itoa(s.mark[i],markk,10);
        itoa(s.maxmark[i],maxx,10);
        outtextxy(x,y,strupr(s.subname[i]));
        outtextxy(a,z,markk);
        outtextxy(b,c,maxx);
        y+=20;
        z+=20;
        c+=20;
        }
     setcolor(15);
     itoa(s.total,totall,10);
     outtextxy(x,y+30,"Total");
     setcolor(4);
     outtextxy(a,z+30,totall);
     itoa(s.maxtotal,maxtotall,10);
     outtextxy(b,c+30,maxtotall);
     setcolor(15);
     outtextxy(480,230,"Grade");
     setcolor(4);
     outtextxy(540,230,s.grade1);
     setcolor(15);
     itoa(s.rank,maxtotall,10);
     outtextxy(480,270,"Rank");
     setcolor(4);
     outtextxy(540,270,maxtotall);
     setcolor(15);
     outtextxy(480,155,"Comment");
     setcolor(4);
     if(strcmp(s.grade,"P")==0)
         {
          if(s.avg>=90)
        outtextxy(470,185,"Exceptional");
          else
        if(s.avg>=80 && s.avg<90)
          outtextxy(470,185,"Excellent");
          else
        if(s.avg>=70 && s.avg<80)
          outtextxy(470,185,"Good");
          else
        if(s.avg>=60 && s.avg<70)
           outtextxy(470,185,"Not Bad");
           else
         if(s.avg<60)
            outtextxy(470,185,"Very less");
         }
        else
          outtextxy(450,185,"Work very hard");
        break;
       }
     }
    setcolor(15);
    if(f==0)
       outtextxy(150,90,"Not found");
    getch();
    in.close();
    }
void top(student s)   //To display the details of topper
{
    char chh,classs[20];
    cleardevice();
    gotoxy(10,2);
    setlinestyle(DOTTED_LINE,1,1);
    rectangle(90,90,500,300);
    line(420,180,490,180);
    line(420,230,470,230);
    settextstyle(4,0,4);
    setcolor(4);
    outtextxy(170,100,"CERTIFICATE") ;
    setcolor(15);
    settextstyle(4,0,2);
    outtextxy(100,150,"\"This to certify that Master/Miss") ;
    setcolor(4);
    outtextxy(430,150,s.name);
    setcolor(15);
    outtextxy(100,200, "has shown excellent performance in" );
    itoa(s.cls,classs,10);
    setcolor(4);
    outtextxy(430,200,classs);
    setcolor(15);
    outtextxy(470,200,"\"");
    gotoxy(10,3);
    settextstyle(4,0,1);
    getch();
   }
void arrange(student s[],int n)   //Arrange the records based on their total
{
   int i,j;
   student t,cd[100];
   ofstream out("reportt.dat",ios::binary);
   for(i=0;i<n;i++)
    for(j=i+1;j<n;j++)
     {
      if(s[i].total<s[j].total)
     {
          t=s[i];
          s[i]=s[j];
          s[j]=t;
      }
       }
     int k=1;
     for(i=0;i<n;i++)
      {
    if(strcmp(s[i].grade,"P")==0)
       {
        if(s[i].avg>=90)
            strcpy(s[i].grade1,"A");
        else
        if(s[i].avg>=80 && s[i].avg<90)
            strcpy(s[i].grade1,"B");
        else
        if(s[i].avg>=70 && s[i].avg<80)
            strcpy(s[i].grade1,"C");
        else
        if(s[i].avg>=60 && s[i].avg<70)
            strcpy(s[i].grade1,"D");
        else
        if(s[i].avg<60)
            strcpy(s[i].grade1,"E");
        s[i].rank=k++;
        }
        else
        s[i].rank=0;
        out.write((char *)&s[i],sizeof(s[i]));
         }
          out.close();
          if(op==3)
         rep_disp();
           else
         if(op==4)
           top(s[0]);
         else if(op==6)
           {
           student t;
           int r=0,x=130,y=130;
           cleardevice();
           outtextxy(210,50,"Rank List");
           outtextxy(180,90,"S.No");
           outtextxy(300,90,"Name");
           ifstream in("reportt.dat",ios::binary);
           int i=0;
           char ch[2];
           while(in.read((char *)&t,sizeof(t)))
             {
             i++;
             itoa(i,ch,10);
             outtextxy(180,x,ch);
             outtextxy(300,y,t.name);
             x+=20;
             y+=20;
             if(in.eof())
              break;
              }
          getch();
          in.close();
          }
         }
void student::copy(int c)
    {
    student t[100],s;
    int i=0,f=0;
    ifstream in("stude.dat",ios::binary);
    cleardevice();
    if(op==5)
      {
    outtextxy(210,50,"Failure Details");
    outtextxy(180,90,"S.No");
    outtextxy(300,90,"Name");
       }
    int r=0,x=130,y=130;
    char ch[20];
    while(in.read((char *)&s,sizeof(s)))
      {
     if(s.cls==c)
         {
             t[i++]=s;
             f=1;
          }
      if(op==5 && s.cls==c && strcmp(s.grade,"F")==0)
         {
              r++;
              itoa(r,ch,10);
              outtextxy(180,x,ch);
              outtextxy(300,y,s.name);
              x+=20;
              y+=20;
          }
         }
     in.close();
     if(f==1)
       arrange(t,i);
     else
    outtextxy(150,90,"Not found");

    }
    void than()
    {
      for(int h=0;h<16;h++)
      {
    cleardevice();
    setcolor(h);
    settextstyle(4,0,4);
    outtextxy(200,90,"Thank You");
    outtextxy(180,150,"God bless us all");
    outtextxy(100,200,"Inspiration is the key to success");
    delay(100);
      }
     getch();
     exit(0);
     }
void main()
    {
    student s;
    int cs;
    int gdriver = DETECT, gmode, errorcode;
    initgraph(&gdriver, &gmode, "../bgi");
    for(int j=0;j<180;j+=5)
     {
    setcolor(j);
    outtextxy(j,200,"Vishal");
    delay(100);
    cleardevice();
    setbkcolor(CYAN);
    settextstyle(4,0,4);
    outtextxy(100,80,"RESULT $$$");
    outtextxy(330,80,"PROCESSOR");
    outtextxy(160,160,"DEVELOPED BY");
      }
     for(int k=470;k>330;k-=10)
      {
    setcolor(k);
    outtextxy(j,200,"Vishal");
    outtextxy(k,200,"sethia");
    delay(100);
    cleardevice();
    setbkcolor(CYAN);
    settextstyle(4,0,4);
    outtextxy(100,80,"RESULT $$$");
    outtextxy(330,80,"PROCESSOR");
    outtextxy(160,160,"DEVELOPED BY");
      }
     for(int h=0;h<12;h+=3)
      {
    setcolor(h);
    settextstyle(4,0,4);
    outtextxy(100,80,"RESULT $$$");
    outtextxy(330,80,"PROCESSOR");
    outtextxy(160,160,"DEVELOPED BY");
    outtextxy(j,200,"Vishal");
    outtextxy(k,200,"sethia");
   //    outtextxy(((j+50+k)/2),200,"&");
    delay(100);
      }
     settextstyle(7,0,1);
     outtextxy(180,300,"Special    Thanks    To");
     outtextxy(195,330,"MISS JEYA PRINCE");
     setlinestyle(DOTTED_LINE,1,1);
     for(h=180;h<420;h+=20)
    {
    line(180,360,h,360);
    delay(200);
    }
    delay(1000);
    cleardevice();
     while(1)
      {
      cleardevice();
      setbkcolor(3);
      setcolor(WHITE);
      setlinestyle(DOTTED_LINE,1,1);
      rectangle(0,0,getmaxx(),getmaxy());
      settextstyle(3,0,1);
      outtextxy(190,35,"RESULT      PROCESSOR");
      rectangle(190,80,410,270);
      outtextxy(200,90,"1.Display");
      outtextxy(200,110,"2.Add records");
      outtextxy(200,130,"3.Report card");
      outtextxy(200,150,"4.Toppers detaiLs");
      outtextxy(200,170,"5.Failure details");
      outtextxy(200,190,"6.Rank List");
      outtextxy(200,210,"7.Exit");
      outtextxy(200,230,"Enter ur option");
      settextstyle(4,0,1);
      line(380,257,395,257);
      gotoxy(49,16);
      cin>>op;
    switch(op)
     {
    case 1: s.reading();
        break;
    case 2: s.writing();
        break;
    case 3: cleardevice();
        setlinestyle(DOTTED_LINE,1,1);
        settextstyle(7,0,1);
        outtextxy(250,35,"REPORT CARD");
        rectangle(190,80,460,270);
        outtextxy(220,120,"Enter the class:");
        gotoxy(47,9);
        cin>>cs;
        outtextxy(220,169,"Enter the roll number:");
        gotoxy(56,12);
        cin>>rol;
        s.copy(cs);
        break;
    case 4: cleardevice();
        setlinestyle(DOTTED_LINE,1,1);
        settextstyle(4,0,2);
        outtextxy(250,35,"TOPPERS DETAILS");
        rectangle( 190,80,450,270);
        outtextxy(220,120,"Enter the class:");
        gotoxy(47,9);
        cin>>cs;
        s.copy(cs);
        break;
    case 5: cleardevice();
        setlinestyle(DOTTED_LINE,1,1);
        settextstyle(4,0,2);
        outtextxy(250,35,"FAILURES DETAILS");
        rectangle(190,80,450,270);
        outtextxy(220,120,"Enter the class:");
        gotoxy(47,9);
        cin>>cs;
        s.copy(cs);
        break;
    case 6: cleardevice();
        setlinestyle(DOTTED_LINE,1,1);
        settextstyle(4,0,2);
        outtextxy(250,35,"RANK LIST");
        rectangle(190,80,450,270);
        outtextxy(220,120,"Enter the class:");
        gotoxy(47,9);
        cin>>cs;
        s.copy(cs);
        break;
    case 7:   than();
        exit(0);
    default:cleardevice();
        outtextxy(150,150,"Invalid Option");
        delay(1000);
    }
    }
    }

Conclusion

This computer project for class 12 student contains some functions from graphics.h and conio.h, which most of the time not discussed in the class room. So if you have any difficulty using this project, do not hesitate to contact me through email.

Cheers for your success. ;)

Bus Reservation System – Class 12 computer Project

2012-07-26T10:28:00.001-07:00

This is another cpp project for class 12 Computer Science student. This class 12 computer project contains all the desired information required by a computer project to submit in CBSE practical examination, i,e. Classes, File Handing, Data Structure.

Note : Kindly note that this project is developed using Turbo C++ 3.0 Editor for DOS. You are required to copy this code into NOTEPAD and save the same in CPP extension on your hard disk.

Source code for Bus Reservation System

#include<conio.h>
#include<iostream.h>
#include<fstream.h>
#include<string.h>
#include<stdio.h>
#include<ctype.h>
#include<dos.h>
#include<graphics.h>
#include<stdlib.h>
//THIS CLASS CONTAIN ALL THE FUNCTIONS RELATED TO TICKET

class TRAVEL
{
     public:
       void INFORMATION(void);
       void RESERVATION(void);
       int RESERVED(int,int,int,int,int);
       int AVAIL(int,int,int,int);
       void DELETION(void);
       void LIST_OF_PASS(void);
       void PASS_INFO(void);
       void MAINMENU(void);
    private:
       int busno,seatno;
       char name[26],sex;
       int age,fair;
       int dd,mm,yy;
    };
    char *place[3]={"jaipur","agra","ajmer"};
    int price[3]={100,220,110};
//THIS FUNCTION DISPLAY THE PASSENGER INFORMATION

void TRAVEL::PASS_INFO(void)
{
     clrscr();
     int bno=0,found=0,sno,d,m,y;
     cout<<"\n Bus 1:bikaner to jaipur.       <fare Rs.100>";
     cout<<"\n Bus 2:bikaner to agra.         <fare Rs.220>";
     cout<<"\n Bus 3:bikaner to ajmer.        <fare Rs.110>";
     do
       {
     cout<<"\n\n enter the busno.(1/2/3)";
     cin>>bno;
       }while(bno<1||bno>3);
     cout<<"\n\n enter the date of the reserved ticket:";
     cin>>d;
     cout<<"\n\n enter the month:";
     cin>>m;
     cout<<"\n\n enter the year:";
     cin>>y;
     cout<<"\nenter the seat no.:";
     cin>>sno;
     if(sno>60||sno<1||!RESERVED(bno,d,m,y,sno))
       {
     cout<<"\n\n\nsorry!\7seat not reserved";
     getch();
     return;
       }
     fstream file;
     file.open("BUS.DAT",ios::in);
     while(file.read((char *)this,sizeof(TRAVEL)))
       {
     if((dd==d&&mm==m&&yy==y)&&bno==busno&&sno==seatno)
       {
         found=1;
         clrscr();
         gotoxy(5,5);

         cout<<"**********************************************************************";
         gotoxy(28,7);
         cout<<"MALWA Trevel Agency";
         gotoxy(10,9);
         cout<<"BUS NO."<<bno<<"\t\t\tDATE:"<<d<<"/"<<m<<"/"<<y;
         gotoxy(10,10);
         cout<<"SEAT NO.:"<<sno;
         gotoxy(35,12);
         cout<<"FROM:BIKANER"<<"\tTo:"<<place[bno-1];
         gotoxy(10,15);
         cout<<"Passenger Name:"<<name;
         gotoxy(10,16);
         cout<<"Passenger Age: "<<age<<"\t\tsex:"<<sex;
         gotoxy(10,18);
         cout<<"Total Fair   :" <<price[bno-1];
         gotoxy(5,20);
         cout<<"************************************************************************";
         gotoxy(1,25);
         cout<<"press any key to continue...";
         getch();
         break;
       }
       }
     file.close();
     if(!found)
       {
     cout<<"\n\n7passenger record not found";
     getch();
       }
}
//This function gives the list of all the passenger
void TRAVEL::LIST_OF_PASS(void)
{
     clrscr();
     int bno=0,found=0,row=8;
     char ch;
     cout<<"\n Bus 1:Bikaner to jaipur. <fare Rs.100>";
     cout<<"\n Bus 2:Bikaner to agra.   <fare Rs.220>";
     cout<<"\n Bus 3:Bikaner to ajmer. <fare Rs.110>";
     do
       {
     cout<<"\n\nenter the bus no.(1/2/3)";
     cin>>bno;
       }while(bno<1||bno>3);
     do
       {
     cout<<"\n Do you want date wise report(y/n)";
     cin>>ch;
       }while(toupper(ch)!='N'&& toupper(ch)!='Y');
     int d=0,m=0,y=0;
     if(toupper(ch)=='Y')
       {
     cout<<"\n\n Enter date:";
     cin>>d;
     cout<<"\n\n Enter month:";
     cin>>m;
     cout<<"\n\n Enter year:";
     cin>>y;
       }
     clrscr();
     gotoxy(25,1);
     cout<<"LIST OF THE PASSENGERS ";
     gotoxy(24,2);
     cout<<"\n***********************************************************************"<<endl;
     gotoxy(1,3);
     cout<<" BUS NO.:"<<bno<<"\t\t\t\t\tfrom: BIKANER TO:"<<place[bno-1];
     gotoxy(2,5);
     cout<<"SEAT NO.   PASSENGER NAME               SEX    AGE    DATE ";
     gotoxy(2,6);
     cout<<"**************************************************************************"<<endl;
     fstream file;
     file.open("BUS.DAT",ios::in);
     while(file.read((char*)this,sizeof(TRAVEL)))
       {
     if(busno==bno)
     {
      if((toupper(ch)=='N')||((toupper(ch)=='Y')&&(dd==d&&mm==m&&yy==y)))
      {
       found=1;
       gotoxy(5,row);
       cout<<seatno;
       gotoxy(14,row);
       cout<<name;
       gotoxy(43,row);
       cout<<sex;
       gotoxy(50,row);
       cout<<age;
       gotoxy(61,row);
       cout<<dd<<"/"<<mm<<"/"<<yy;
       row++;
       if(row==25)
         {
           getch();
           for(int i=8;i<=24;i++)
           {
         gotoxy(1,i);
         clreol();
           }
         row=8;
      }
     }
       }
     }
     file.close();
     if(!found)
       {
     cout<<"\n\n\n\n\n\7No reservation for the bus no. "<<bno;
     getch();
     return;
       }
     cout<<"\n\nPress any key to continue..............";
     getch();
}

int TRAVEL::AVAIL(int bno,int d,int m,int y)
{
     fstream file;
     file.open("BUS.DAT",ios::in);
     int avail=0,count=0;
     while(file.read((char*)this,sizeof(TRAVEL)))
       {
     if(dd==d&&mm==m&&yy==y&&bno==busno)
     count++;
       }
     if(count<60)
     avail=1;
     file.close();
     return avail;
}

int TRAVEL::RESERVED(int bno,int d,int m,int y,int sno)
{
     fstream file;
     file.open("BUS.DAT",ios::in);
     int reserved=0;
     while(file.read((char*)this,sizeof(TRAVEL)))
       {
     if(dd==d&&mm==m&&yy==y&&bno==busno&&sno==seatno)
       {
         reserved=1;
         break;
       }
       }
     file.close();
     return reserved;
}

/* FUNCTION TO RESERVE TICKET */

void TRAVEL::RESERVATION(void)
{

     clrscr();
     int bno,sno,pfair,page;
     char ch,pname[26],psex;
     cout<<"\n Bus 1:Bikaner to jaipur. <fare Rs.100>";
     cout<<"\n Bus 2:Bikaner to agra.   <fare Rs.220>";
     cout<<"\n Bus 3:Bikaner to ajmer. <fare Rs.110>";
     do
       {
     cout<<"\n\nenter the bus no.(1/2/3)";
     cin>>bno;
       }while(bno<1||bno>3);
     int d,m,y;
     cout<<"\n\n Enter the date for reservation :";
     cin>>d;
     cout<<"\n\n Enter month:";
     cin>>m;
     cout<<"\n\n Enter year:";
     cin>>y;
     if(!AVAIL(bno,d,m,y))
       {
     cout<<"\n\n\nsorry!\7seat not available";
     getch();
     return;
       }
     cout<<"\nEnter the seat no.:";
     cin>>sno;
     if(sno>60||sno<1||RESERVED(bno,d,m,y,sno))
       {
     cout<<"\n\n\nsorry!\7seat already reserved";
     getch();
     return;
       }
     cout<<"\n Enter name of passenger:";
     gets(pname);
     do
       {
     cout<<"Enter sex of passenger(M/F):";
     cin>>psex;
       }while(toupper(psex)!='M'&&toupper(psex)!='F');
     cout<<"enter age:";
     cin>>page;
     if(page<=5)
       {
     cout<<"\7\n No ticket is required upto the age of 5";
     getch();
     return;
    }
     clrscr();
     gotoxy(5,5);
     cout<<"**********************************************************************"<<endl;
     gotoxy(28,7);
     cout<<"cpptute.bus travel agency";
     gotoxy(10,9);
     cout<<"BUS NO."<<bno<<"\t\t\tDATE:"<<d<<"/"<<m<<"/"<<y;
     gotoxy(10,10);
     cout<<"SEAT NO.:"<<sno;
     gotoxy(35,12);
     cout<<"FROM:BIKANER"<<"\tTo:"<<place[bno-1];
     gotoxy(10,15);
     cout<<"Passenger Name:"<<pname;
     gotoxy(10,16);
     cout<<"Passenger Age: "<<page<<"\t\tsex:"<<psex;
     gotoxy(10,18);
     cout<<"Total Fair   :" <<price[bno-1];
     gotoxy(5,20);
     cout<<"**********************************************************************";
     cout<<"\n\n\n";
     do
       {
     cout<<"Do you want to save ticket(y/n)";
     cin>>ch;
       }while(toupper(ch)!='N'&& toupper(ch)!='Y');
     if(toupper(ch)=='N')
     return;
     fstream file;
     file.open("BUS.DAT",ios::app);
     busno=bno;
     seatno=sno;
     strcpy(name,pname);
     sex=psex;
     age=page;
     fair=pfair;
     dd=d;
     mm=m;
     yy=y;
     file.write((char*)this,sizeof(TRAVEL));
     file.close();
}

/*FUNCTION TO DELETE RECORD OF THE PASSENGER */

void TRAVEL::DELETION(void)
{
     clrscr();
     int bno=0,found=0,sno,d,m,y;
     char ch;
     cout<<"\n Bus 1:bikaner to jaipur.       <fare Rs.100>";
     cout<<"\n Bus 2:bikaner to agra.         <fare Rs.220>";
     cout<<"\n Bus 3:bikaner to ajmer.        <fare Rs.110>";
     do
       {
     cout<<"\n\n enter the busno.(1/2/3)";
     cin>>bno;
       }while(bno<1||bno>3);
     cout<<"\n\n enter the date of the reserved ticket:";
     cin>>d;
     cout<<"\n\n enter the month:";
     cin>>m;
     cout<<"\n\n enter the year:";
     cin>>y;
     cout<<"\nenter the seat no.:";
     cin>>sno;
     if(sno>60||sno<1||!RESERVED(bno,d,m,y,sno))
       {
     cout<<"\n\n\nsorry!\7seat not reserved";
     getch();
     return;
       }
     fstream file,temp;
     file.open("BUS.DAT",ios::in);
     temp.open("TEMP.DAT",ios::out);
     while(file.read((char*)this,sizeof(TRAVEL)))
       {
     if(dd==d&&mm==m&&yy==y&&bno==busno&&sno==seatno)
     {
       found=1;
       clrscr();
       gotoxy(5,5);
       cout<<"************************************************************************";
       gotoxy(28,7);
       cout<<"cpptute.bus travel agency";
       gotoxy(10,9);
       cout<<"BUS NO."<<bno<<"\t\t\tDATE:"<<d<<"/"<<m<<"/"<<y;
       gotoxy(10,10);
       cout<<"SEAT NO.:"<<sno;
       gotoxy(35,12);
       cout<<"FROM:BIKANER"<<"\tTo:"<<place[bno-1];
       gotoxy(10,15);
       cout<<"Passenger Name:"<<name;
       gotoxy(10,16);
       cout<<"Passenger Age: "<<age<<"\t\tsex:"<<sex;
       gotoxy(10,18);
       cout<<"Total Fair   :" <<price[bno-1];
       gotoxy(5,20);
       cout<<"*********************************************************************";
       do
         {
           gotoxy(1,25);
           clreol();
           cout<<"Do you want to delete(y/n)";
           cin>>ch;
         }while(toupper(ch)!='N'&& toupper(ch)!='Y');
       if(toupper(ch)=='N')
       temp.write((char *)this,sizeof(TRAVEL));
       }
     else
     temp.write((char *)this,sizeof(TRAVEL));
     }
     file.close();
     temp.close();
     if(!found)
       {
     cout<<"\n\n\7Passenger record not found";
     getch();
     return;
       }
     if(toupper(ch)=='N')
     return;
     file.open("BUS.DAT",ios::out);
     temp.open("TEMP.DAT",ios::in);
     while(temp.write((char*)this,sizeof(TRAVEL)));
     file.write((char*)this,sizeof(TRAVEL));
     file.close();
     temp.close();
}

void TRAVEL::INFORMATION(void)
{
     clrscr();
     gotoxy(20,8);
     cout<<"INTRODUCTION OF cpptute.bus travel agency";
     gotoxy(4,10);
     cout<<"In this agency there are three buses whose routes are:";
     gotoxy(15,12);
     cout<<"BUS 1.BIKANER TO JAIPUR.    <FARE RS 100>";
     gotoxy(15,13);
     cout<<"BUS 2.BIKANER TO AGRA.      <FARE RS 220>";
     gotoxy(15,14);
     cout<<"BUS 3.BIKANER TO AJMER.     <FARE RS 110>";
     gotoxy(4,16);
     cout<<"you can reserve ticket of any date and later on cancel the same also.";
     gotoxy(28,23);
     cout<<"press any key to continue.......";
     getch();
}
/*   MAIN FUNCTION WHICH DISPLAY MAIN MENU & CALL ALL OTHER FUNCTIONS */

void MAINMENU(void)
{
     TRAVEL travel;
     char ch;
     while(1)
       {
     for (int i=0; i<8;i++)
       {
         for (int j=0; j<20; j++)
         textcolor(i+1);
         textbackground(i);
       }
     clrscr();
     gotoxy(15,4);
     cout<<"******************************************************";
     gotoxy(26,5);
     cout<<"c";
     delay(100);
     cout<<"p";
     delay(100);
     cout<<"p";
     delay(100);
     cout<<"t";
     delay(100);
     cout<<"u";
     delay(100);
     cout<<"t";
     delay(100);
     cout<<"t";
     delay(100);
     cout<<"R";
     delay(100);
     cout<<"A";
     delay(100);
     cout<<"V";
     delay(100);
     cout<<"E";
     delay(100);
     cout<<"L";
     delay(100);
     cout<<" A";
     delay(100);
     cout<<"G";
     delay(100);
     cout<<"E";
     delay(100);
     cout<<"N";
     delay(100);
     cout<<"C";
     delay(100);
     cout<<"Y";
     cout<<"(";
     delay(100);
     cout<<"P";
     delay(100);
     cout<<"V";
     delay(100);
     cout<<"T";
     delay(100);
     cout<<".";
     delay(100);
     cout<<"L";
     delay(100);
     cout<<"T";
     delay(100);
     cout<<"D";
     delay(100);
     cout<<")"<<endl;
     delay(100);
     gotoxy(15,6);
     cout<<"******************************************************";
     gotoxy(22,9);
     cout<<"*    PROP.WRITER   *";
     gotoxy(48,10);
     cout<<"cpptute.blogspot.com";
     gotoxy(29,13);
     cout<<"1::INTRODUCTION";
     gotoxy(29,14);
     cout<<"2::RESERVATION";
     gotoxy(29,15);
     cout<<"3::DELETE RECORD";
     gotoxy(29,16);
     cout<<"4::PASSENGER LIST";
     gotoxy(29,17);
     cout<<"5::PASSENGER INFORMATION";
     gotoxy(29,18);
     cout<<"6::QUIT";
     gotoxy(29,20);
     cout<<"Enter your choice::";
     ch=getche();
     if(ch==27||ch=='6')
         {
           clrscr();
           int gdriver = DETECT, gmode;
           int midx, midy, ht;
           initgraph(&gdriver, &gmode, "../bgi");
           midx = getmaxx() / 2;
           midy = getmaxy() / 2;
           setcolor(1);
           settextstyle(TRIPLEX_FONT,0,3);
           settextjustify(CENTER_TEXT, CENTER_TEXT);
           outtextxy(midx,midy,"THANK YOU PLEASE VISIT US AGAIN");
           break;
         }
     else
     if(ch=='1')
     travel.INFORMATION();
     else
     if(ch=='2')
     travel.RESERVATION();
     else
     if(ch=='3')
     travel.DELETION();
     else
     if(ch=='4')
     travel.LIST_OF_PASS();
     else
     if(ch=='5')
     travel.PASS_INFO();
       }
}

       //MAIN function to call all the functions
void main()
{
     int gdriver = DETECT, gmode;
     initgraph(&gdriver, &gmode, "../bgi");
     setcolor(1);
     setbkcolor(0);
     settextstyle(TRIPLEX_FONT,0,1);
     outtextxy(130, 230,"WELCOME TO cpptute.bus travel agency" );
     rectangle(100,150,500,300);
     setfillstyle(3, getmaxcolor());
     pieslice(150, 300, 0, 360, 23);
     setfillstyle(3, getmaxcolor());
     pieslice(450, 300, 0, 360, 23);
     line(100,220,500,220);
     line(100,170,500,170);
     line(170,170,170,220);
     line(240,170,240,220);
     line(310,170,310,220);
     line(380,170,380,220);
     line(460,170,460,220);
     line(500,150,550,300);
     line(500,300,550,300);
     getch();
     closegraph();
     MAINMENU();
     getch();
}

Conclusion

This project contains some functions from graphics.h and conio.h, which most of the time not discussed in the class room. So if you have any difficulty using this project, do not hesitate to contact me through email.

Cheers for your success. ;)

Copy your Science projects to become successful ?

2012-05-30T11:46:00.001-07:00

Technorati Tags: Science Project ideas,project for science

"India has highest number of Graduate student in the world. Even greater than China” and less number of invention and patents than Samsung.

Surprised ???? Yes You should be

Let me ask one question first - How many student of your class has ever tried to prepare their project themselves. perhaps one or two or some-times not a single student?

Do you have any answer ? why these student , does not care about the project work assigned to them by their teachers.

Some probable answer are here

“I do not have time to prepare this project”

“I do not know how to start and how to assemble all the nuts and bolts of this project.”

“I have to spare some more time to my higher classes and other competitive exams.”

………………………….There are so others excuses, student often quote

Before that let me tell you one simple story that inspire me a lot and I used to tell the same to my student also.

“Nirma, Washing powder Nirma” this is one such famous jingle we used to listen on our television, the man behind NIRMA is the greatest inspiration.

As the story filtered in the media. the man is not too much educated but whatever he learnt during his schooling , he knew how to use. so he prepare raw washing powder and sell in his nearby colonies,rest is the story of success and marketing.

The aim of project is “Student should learn How to use that knowledge they acquire throughout the year and put them in a single entity so that that entity become useful and meaningful.”

Whenever a student copy or download the project, he/she defeat the very first aim of education thus struggle throughout the life and complain “Whatever he learn in his schooling does not have any meaning in real life”

Your Turn

In my opinion this is the main reason, when N.R .Narayan Murti says that our Engineering colleges are now not producing the Quality. I can understand the reason.

Library Management System - class 12 Informatics Practices project CBSE

2012-01-25T10:26:00.001-08:00

Library management system software for informatics Practices student for their project work in C.B.S.E class 12. As per their requirement the whole project is developed using Java Netbeans and Mysql.
Library Management System is also known as Book Keeping System in Some School. So Do not hesitate to use this software for the same
Information of students and Books stored on Mysql Tables and their front End is available in Java Forms.
Here you will receive two files one in MS-WORD format that has complete documentation for you and another one has it’s coding in Zip format.

Download Complete project Report of Library Management System Documentation in word Format

Download Library Management System code in Zip format

if you like these project(s). Kindly inform your friends and do not forget to leave your comments here.

Informatics Practices Project - Result Processing System

2012-01-25T09:59:00.001-08:00

As the title explains itself it is result processing system for class 12 informatics Practices students who has to submit their project on using Java NetBeans and Mysql.

Result Processing System or Result Management System or Report Card Preparation software is a small project totally written using Java Swing controls and Mysql Tables.

Whole Project in Dividev into tow part 1. Mysql table to store student’s information along with their marks session wise. 2. Java form to control input and processing Phase.

We all know it is always tough to student to compile the whole project. Thus a downloading version of complete project report is available in MS-WORD format. The same project is also available in zip format to show your teacher or examiner.

If you find this project useful kindly tell your another friends and also recommend me some more project which you need.

Download - Result Processing System in word Format

Download - Result Processing System in ZIP format

Function In C++ – Simplest Definition and Explanation Notes

2012-01-25T05:10:00.001-08:00

Function is a small sub program , which is designed to perform a particular task in a complete program and it is designed in this way that it can be coupled with another function.

return type function_name ( argument)

{

statement; function Syntax

}

where

return type : Data type of the value return by the function

function_name : Any Valid identifier

Statement : Any Valid C/C++ statement(s)

Our first Function : To print “hello world” on the screen

void print_message(void)

{

cout<<”\n Hello world”;

return ;

}

void at the position of return type shows that the function does not return any value to it’s calling function.
Void at the position of argument shows that the function does not accept any argument.

NOTE : return is not compulsory, but good programming skill recommends every function should have a return.

How to implement this function in a C++ program

Method -1

Method-2

#include<iostream>

#include<conio.h>

using namespace std;

void print_message(void)

{

cout<<"\n Hello world";

return;

}

int main()

{

print_message();

getch();

return 0;

}

#include<iostream>

#include<conio.h>

using namespace std;

void print_message(void); // function prototype

int main()

{

print_message(); // function call

getch();

return 0;

}

void print_message(void)

{

cout<<"\n Hello world";

return;

}

Function Prototype: A function prototype in C or C++ is a declaration of a function that omits the function

body but does specify the function's name, argument types and return type. While a

function definition specifies what a function does, a function prototype can be

thought of as specifying its interface.

TYPE-I

Solution

Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

void area_triangle(void)

{

int b,h,ar;

system("cls"); // clrscr()

cout<<"\n Enter base :";

cin>>b;

cout<<"\n Enter height :";

cin>>h;

ar =0.5*b*h;

cout<<"\n Area of Triangle :"<<ar;

return;

}

int main()

{

area_triangle(); // function Call

getch();

return 0;

}

NOTE : main( ) is also a function. It has the following feature

without main program can not execute.

A program can have more than one function but can not have more than one main ( )

Program execution begin from main( )

Main Function

Output Here

TYPE –II

User defined function

1. Input

2. Processing

3. result must return to it’s calling function

Type –II Problem : Write a function in C++ to read base and height of a right angle triangle, calculate area of triangle using formula area = ½*b*h and return it to it’s calling function. Also implement this function in a C++ program

Solution

Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

int area_triangle(void)

{

int b,h,ar;

cout<<"\n Enter base :";

cin>>b;

cout<<"\n Enter Height :";

cin>>h;

ar =int(0.5*b*h);

return (ar);

}

int main()

{

int res =area_triangle();

cout<<"\n Area of Triangle :"<<res;

getch();

return 0;

}

Type –III Problem : Define a function in C++ Area_triangle( ) which accept two integer type parameter (i) int base (ii) int height. This function calculates area of Triangle using formula area = 1/2*base*height and also display this calculated area on the screen. Also implement this function in C++ program

Solution

Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

void area_triangle(int base, int height)

{

int ar;

ar =int(0.5*base*height);

cout<<"\n Area of Triangle :"<<ar;

}

int main()

{

area_triangle(10,20);

getch();

return 0;

}

Type –IV

TYPE –IV Problem : Write a user defined function in C++ Area_Triangle( ) which accept two integer type parameter (i) int base (ii) int height. This function calculates area of triangle using formula area = ½*base*height and return it to it’s calling function. Also implement this function in C++ program

Solution

Problem

Output

#include<iostream>

#include<conio.h>

using namespace std;

int area_triangle(int base, int height)

{

int ar;

ar =int(0.5*base*height);

return(ar);

}

int main()

{

int res =area_triangle(10,20);

cout<<"\n Area of Triangle :"<<res;

getch();

return 0;

}

Parameter Types

Call by Value method
Call By reference method

Call By Value Method: In this method actual parameter make it’s copy and send to formal parameter. The processing inside function use this copy of actual parameter. So the changes made inside function does not automatically available to it’s calling function.

Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

void add ( int a) // formal Parameter

{

a = a+10;

}

int main()

{

int x=10;

cout<<"\nBefore function call x :"<<x;

add(x);

cout<<"\nafter function call x :"<<x;

getch();

return 0;

}

Call By reference Method : In this method actual parameter pass the address of actual parameter. So the changes made inside function is automatically available to it’s calling function.

Program

output

#include<iostream>

#include<conio.h>

using namespace std;

void add ( int &a) // Call by reference

{

a = a+10;

}

int main()

{

int x=10;

cout<<"\nBefore function call x :"<<x;

add(x);

cout<<"\nafter function call x :"<<x;

getch();

return 0;

}

NOTE : in case of reference type parameter, actual parameter must be of variable type

Scope of Variable

Auto / Local Variable : The variable whose life begins within opening curly braces and it dies at the position of it’s corresponding curly braces, is called local variable
Global Variable : The variable whose scope is whole program , and is defined outside function ,is called global variable

Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

int a=20; // Global Variable

int main()

{

int a=10; // Local Variable

{

int a=30;

cout<<"\n Value of a :"<<::a;

}

cout<<"\n Value of a :"<<a;

getch();

return 0;

}

Static Variable : These are local variable to that function where it is defind , but does not loose their values between the function call.

Example Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

void show(void)

{

static int a=0;

a++;

cout<<"\n Value of a :"<<a;

}

int main()

{

show();

getch();

return 0;

}

Parameter with default Values

Exmaple Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

void show(int a=10)

{

cout<<"\n Value of a :"<<a;

}

int main()

{

show();

show(30);

getch();

return 0;

}

Some Additional Definition_______________________________________________________________

Formal Parameter : The parameter which appears with function prototype is called formal parameter.

Actual parameter : The Parameter which is used at the time of call function , is called actual parameter

Example

#include<iostream>

#include<conio.h>

void show ( int a) // here a is formal parameter

{

………….

}

int main( )

{

int x =10;

Show (x) ; // x is here actual parameter.

………….

…………

}

Structure in C++ – Simplest Definition and Notes

2012-01-25T05:05:00.001-08:00

Structure is a user defined data type, it is used to combine different types of available data type(s) to form a new data type, to suite a real life problem. The syntax of a structure is as follows

Syntax

struct <identifietr>

{

Datatype <identifier>;

----

-----

};

Example : Define a structure of student having fields Roll No , Name, Address and fees paid ( Make appropriate assumption about datatypes)

Solution

struct student {

int roll;

char name[30];

char address[60];

float fees;

};

How to define structure type variable(s)

Method -1

struct student {

int roll;

char name[30];

char address[60];

float fees;

} s ;

Method -1I

struct student {

int roll;

char name[30];

char address[60];

float fees;

} ;

Student s;

Note : The above declaration ( any ) of variable create a new memory block named as S. This is further divided into four parts namely, roll, name, address and fees. These block now contains some garbage values.

Roll

Name

Address

Fees

These block can be accessed using DOT OPERATOR (.) i,e if you want to access roll sub-block of S block then you have to write

s.roll

Initialization method of structure variable

Method-1

struct student {

int roll;

char name[30];

char address[60];

float fees;

}s ={1,”ramji”,”b-100 surya nagar”,125.75};

Method-1I

struct student {

int roll;

char name[30];

char address[60];

float fees;

};

student s ={1,”ramji”,”b-100 surya nagar”,125.75};

Method-1II

struct student {

int roll;

char name[30];

char address[60];

float fees;

};

student s;

s.roll =1;

strcpy(s.name,”Ramji”);

strcpy(s.address ,”b-100 surya nagar”);

s.fees =125.75;

Method-1V

struct student {

int roll;

char name[30];

char address[60];

float fees;

};

student s;

cin>>s.roll >>s.name>>s.address>>s.fees;

Method-V

struct student {

int roll;

char name[30];

char address[60];

float fees;

}s ={1,”ramji”,”b-100 surya nagar”,125.75};

student s1;

Task : Initialize variable s1 using variable s

Method 5.1

S1=S;

Methos 5.2

s1.roll = s.roll;

strcpy(s1.name,s.name);

strcpy(s1.address , s.address);

s1.fees = s.fees;

Nested Structure : if a structure is used inside another structure then it is called nested structure or

embedded structure.

Task : Define a structure of student having following structure diagram

The above mentioned problem can be solved using two method

Method – I

struct stud_name

{

Char first[15];

Char second[15];

};

struct student

{

int rollno;

stud_name name;

char address[80];

float fees;

};

Method-II

struct student {

int rollno;

struct stud_name {

char first[15];

char second[15];

}name;

char address[80];

float fees;

};

Note :

Example :Define a structure of student having fields roll, name, marks obtained in three subject physics, chemistry, mathematics, computer and English, total marks and percentage. Write a program in C++ to read a record of student. Calculate total marks and percentage. Display the same record on the screen.

Solution

Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

struct student{

int roll;

char name[30];

int phy;

int chem;

int math;

int comp;

int eng;

int total;

float per;

};

int main()

{

student s;

//input phase

cout<<"\n Enter roll number :";

cin>>s.roll;

cout<<"\n Enter name :";

cin>>s.name;

cout<<"\n Enter marks obtained in physics :";

cin>>s.phy;

cout<<"\n Enter marks obtained in chemistry :";

cin>>s.chem;

cout<<"\n Enter marks obtained in maths :";

cin>>s.math;

cout<<"\n Enter marks obtained in Computer :";

cin>>s.comp;

cout<<"\n Enter marks obtained in English :";

cin>>s.eng;

// processing phase

s.total = s.phy+s.chem+s.math+s.comp+s.eng;

s.per = s.total *100/500.0;

//output Phase

cout<<"\n Roll No. :"<<s.roll;

cout<<"\n Name :"<<s.name;

cout<<"\n Physics :"<<s.phy;

cout<<"\n Chemistry :"<<s.chem;

cout<<"\n Mathematics :"<<s.math;

cout<<"\n Total marks :"<<s.total;

cout<<"\n Percentage :"<<s.per;

getch();

return 0;

}

Array of structure : The above mentioned program is designed to hold the record of a single student, if you want to store and process more records than a possible solution is array of structure

How to define and use array of structure

Q1. Define a structure of student having fields roll, name, marks obtained in three subject physics, chemistry, mathematics, computer and English, total marks and percentage. Write a program in C++ to read the record of 10 student. Calculate total marks and percentage. Display the same records on the screen.

Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

struct student{

int roll;

char name[30];

int phy;

int chem;

int math;

int comp;

int eng;

int total;

float per;

};

int main()

{

student s[10];

int i;

//input phase

for(i=0;i<3;i++)

{

cout<<"\n Enter roll number :";

cin>>s[i].roll;

cout<<"\n Enter name :";

cin>>s[i].name;

cout<<"\n Enter marks obtained in physics :";

cin>>s[i].phy;

cout<<"\n Enter marks obtained in chemistry :";

cin>>s[i].chem;

cout<<"\n Enter marks obtained in mathematics :";

cin>>s[i].math;

cout<<"\n Enter marks obtained in Computer :";

cin>>s[i].comp;

cout<<"\n Enter marks obtained in English :";

cin>>s[i].eng;

}

// processing phase

for(i=0;i<3;i++)

{

s[i].total = s[i].phy+s[i].chem+s[i].math+s[i].comp+s[i].eng;

s[i].per = s[i].total *100/500.0;

}

//output Phase

for(i=0;i<3;i++)

{

cout<<"\n Roll No. :"<<s[i].roll;

cout<<"\n Name :"<<s[i].name;

cout<<"\n Physics :"<<s[i].phy;

cout<<"\n Chemistry :"<<s[i].chem;

cout<<"\n Mathematics :"<<s[i].math;

cout<<"\n Total marks :"<<s[i].total;

cout<<"\n Percentage :"<<s[i].per;

}

getch();

return 0;

}

Passing Structure as a function Parameter : Structure can be passed as a function parameter as shown in the following example.

Task : Define a structure of student having fields name and roll no. Write a program to read name and roll number and print the value of this structure using a function Print( ).

Possible Solution :

I ( improper)

II ( Proper Solution)

#include<iostream>

#include<conio.h>

using namespace std;

struct student{

int roll;

char name[30];

};

void print( int x, char y[])

{

cout<<"\n Roll No :"<<x;

cout<<"\n Name :"<<y;

}

int main()

{

student s={10,"Rakesh Kumar"};

print(s.roll,s.name);

getch();

return 0;

}

Output

#include<iostream>

#include<conio.h>

using namespace std;

struct student{

int roll;

char name[30];

};

void print( student s)

{

cout<<"\n Roll No :"<<s.roll;

cout<<"\n Name :"<<s.name;

}

int main()

{

student s={10,"Rakesh Kumar"};

print(s);

getch();

return 0;

}

Output

Structure as a function return type value :

Program

Output

#include<iostream>

#include<conio.h>

using namespace std;

struct student{

int roll;

char name[30];

};

student read_data(void)

{

student s;

cout<<"\n Enter roll no :";

cin>>s.roll;

cout<<"\n Enter name :";

cin>>s.name;

return (s);

}

int main()

{

student s;

s= read_data();

cout<<"\n Roll No :"<<s.roll;

cout<<"\n Name :"<<s.name;

getch();

return 0;

}

Output

Passing structure as a call value method in a function

program

Output

#include<iostream>

#include<conio.h>

#include<string.h>

using namespace std;

struct student{

int roll;

char name[30];

};

void change( student s) // parameter as value

{

s.roll=100;

strcpy(s.name,"Ramji");

}

int main()

{

student s={10,"Rakesh Kumar"};

cout<<"\n Before function call\n";

cout<<"\n Roll No :"<<s.roll;

cout<<"\n Name :"<<s.name;

change(s);

cout<<"\n after function call by value\n";

cout<<"\n Roll No :"<<s.roll;

cout<<"\n Name :"<<s.name;

getch();

return 0;

}

No Change in the output as the value is passed in the function as a value.

Passing structure as a call by reference method in a function

Program

Output

#include<iostream>

#include<conio.h>

#include<string.h>

using namespace std;

struct student{

int roll;

char name[30];

};

void change( student & s) // parameter as reference

{

s.roll=100;

strcpy(s.name,"Ramji");

}

int main()

{

student s={10,"Rakesh Kumar"};

cout<<"\n Before function call\n";

cout<<"\n Roll No :"<<s.roll;

cout<<"\n Name :"<<s.name;

change(s);

cout<<"\n after function call by value\n";

cout<<"\n Roll No :"<<s.roll;

cout<<"\n Name :"<<s.name;

getch();

return 0;

}

Changes made inside function is visible in the main program as value had been passed as reference

Assignment on Structure in C++

2012-01-25T05:03:00.001-08:00

Q1. Define a structure for employee having the following fields

Name Char[30]

Empcode char[10]

Father’s name char[30]

Salary float;

Q2. Define a structure for CAR having the following fields

Model char[10]

CC int

Name Char[10]

Year of manuf. Int

Q3. Define a structure for STUDENT having the following fields

Student name char [20]

Roll no int

Father’s name char[20]

Class int

Section char

Q4. Define a structure for BOOK having the following fields

NAME

First name char[10]

Last name char[10]

Middle name char[10]

Pub_Address

Name char[10]

Place char [10]

BOOK

Access No integer

Title Char[30]

Pages integer

Publisher Pub_address

Author NAME

Q5. Find out the error(s) for the following code segment

Struct

{

short day;

short month;

short year;

}birth_date, joiing_date , retire_date;

Q6. Find out the error(s) for the following code segment

Struct First

{

int a;

float b;

}s1;

struct second

{

int a;

float b;

}s2;

s1.a = 10; s1.b=20;

s1 = s2;

Q7 Find out the error(s) in the following program segment

Struct time

{ int hrs, mins;

}

time t1;

Q8. Identify and discuss the error(s) in the following code segment

#include<iostream.h>

struct s1 {

int a;

float b;

char c;

} st1,st2,st3;

int main( )

{

struct s2 {

int x;

float y;

char z;

}ss1,ss2.ss3;

// read and initialize structure

ss2=ss1;

…….

Ss3.z = st1.c;

……..

……

}

void func1( )

{

ss2.x = st1.a;

ss3.y = st2.b;

ss1.z = st3.c;

ss1 = ss3;

}

Q9. Give the output of the following program segment

#include<iostream.h>

struct point

{

int x, y;

};

void display( point P)

{

cout<<P.x <<” :”<<p.y<<endl;

}

void main( )

{

point U={20.40},V,W;

V = U;

V.x +=20;

W = V;

U.y +=10;

U.x +=5;

W.x -=5;

Display(U);

Display(V);

Display(W);

}

Q10. Declare and initialize an array of 5 students that store rollno, name and marks in 3 subjects for students.

Q11. Declare a structure to represent a student having the following fields NAME, ROLL NO , PHY, MATHS,

CHEMISTRY, ENGLISH , COMPUTER, TOTAL MARKS , GRADE. Also write a program to read the

fields NAME, ROLL NO, and marks obtained in PHYSICS, CHEMISTRY, MATHS,ENGLISH and

COMPUTER. Find out the total marks obtained by the student and his/her grade. The criteria for grade

calculation is as follows

Total marks Grade

>=450 A+

<450 and >=400 A

<400 and >= 350 B+

<350 and >= 300 B

<300 C

display the result on the screen.

Q12 Use the above data given on Q11 and expand the same for 10 student.

Q13. Declare a structure to represent a complex number ( a number having a real part and imaginary part). Write functions to add, subtract , multiply and divide two complex numbers.

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Operator Notes
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