C for All

Write a C Program to find Gratest of 3 numbers to print the given no in ascending order.

2016-12-21T14:06:00.000+05:30

void main()
{
int a,b,c;
clrscr();
printf("enter the values of a,b and c");
scanf("%d%d%d",&a,&b,&c);

if(a<b && a<c)
{
if(b<c)
{
printf(" %d%d%d", a,b,c);
}
else if(b>c){
printf(" %d%d%d",a,c,b);
}
else if(b<c && b<a)
{
if(c<a)
printf(" %d%d%d",b,c,a);
else
printf("%d%d%d",b,a,c);
}
else if(b<a)
printf("%d%d%d",c,b,a);
else
printf(%d%d%d",c,a,b);
}
}

OUTPUT:
Enter the values of a,b and c
6
4
5
4 5 6

Write a C Program to Find power of a number using recursion.

2016-12-19T20:32:00.001+05:30

#include<stdio.h>
#include<conio.h>
int main() {
int pow,no;
long int res;
long int power(int,int);
printf("Enter a number: ");
scanf("%d",&no);
printf("\n Enter power: ");
scanf("%d",&pow);
res=power(no,pow);
printf("\n%d to the power %d is: %ld",no,pow,res);
return 0;
}
int i=1;
long int sum=1;
long int power(int num,int pow) {
if(i<=pow) {
sum=sum*no;
power(no,pow-1);
} else
return sum;
}

OUTPUT:

Enter a number: 5

Enter power: 2

5 to the power 2 is: 25

Write a C program to print address of a variable

2016-12-13T09:30:00.000+05:30

#include<stdio.h>
#include<conio.h>

void main( )
{

int a;
clrscr();
printf(“Address of a = %u“,&a);
getch();

}

OUTPUT:
Address of a =64453

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2016-12-10T12:57:00.002+05:30

IBPS CWE I.T. Officer Recruitment MCQs

2016-12-07T20:34:00.000+05:30

IBPS CWE I.T. Officer Recruitment MCQs

GTU CPU Winter Exam 2016

2016-11-28T16:23:00.001+05:30

GTU CPU WINTER EXAM 2016

CPU 2110003 GTU Question Bank for Winter 2016 Examination

2016-11-07T21:15:00.000+05:30

Q – 1: Justify “C is Middle Level Language”.

Q – 2:Give the difference between:

a. Compiler and Interpreter.

b. Application software and system software.

c. Call by value and call by reference.

Q – 3:What is an algorithm? Write an algorithm to display sum of n numbers.

Q – 4:What is flowchart? Explain various symbols used in Flowchart and draw the flowchart for

finding smallest number out of three given numbers.

Q – 5: Explain various data types of C language.

Q – 6:Explain various operators used in C language.

Q – 7:Explain while…loop and do…while loop giving their syntax.

Q – 8:Explain if…else with suitable example.

Q – 9:What is recursion? Explain it with suitable example.

Q – 10:Explain switch…case statement with example.

Q – 11:What is an array? Explain one dimensional array with example.

Q – 12:Explain pointer.

Q – 13:What is string? Explain following with suitable example:

Strlen()

Strcat()

Strrev()

Strcpy()

Q – 14:What is function? Explain types of function.

Q – 15:What is structure? Give an example.

Q – 16:Explain: file operation in C.

Q – 17:Write a program to generate Fibonacci series of numbers:

1, 1, 2, 3, 5, 8, …..etc.

Q – 18:Write a program to check whether the given number is prime or not.

Q – 19:Write a program to display following pattern using nested for loops.

1 * 1

12 ** 22

123 *** 333

1234 **** 4444

12345 ***** 55555

Q – 20:Write a program to find out factorial of given number.

Welcoming Next Month - Java Programming

2016-06-05T18:03:00.001+05:30

We are going to start java programming. We will upload daily java programs on website. Please visit regularly to know something new in java.

(IS2) Write a Program to implement-MODIFIED CEASER CIPHER

2016-02-24T20:00:00.000+05:30

#include<stdio.h>

#include<conio.h>

void main()

{

int i,no,c;

char om[30],em[30];

clrscr();

printf("Enter Original Text: ");

gets(om);

printf("Enter Key No: ");

scanf("%d",&no);

c=no/26;

if(no>26)

no=no-(c*26);

for(i=0;om[i]!=NULL;i++)

{

if(om[i]==' ')

{

em[i]=' ';

}

else if(om[i]>='a' && om[i]<='z')

{

em[i]=om[i]+no;

if(em[i]>'z' || em[i]<0)

{

em[i]=em[i]-26;

}

else

{

em[i]=om[i]+no;

if(em[i]>'Z')

{

em[i]=em[i]-26;

}

em[i]=NULL;

printf("\n Your Original Text = %s ",om);

printf("\n Enter Encrypted Text = %s ",em);

getch();

}

OUTPUT:

(IS1) - Write a Program to implement - CAESER CIPHER.

2016-02-24T18:00:00.000+05:30

#include<stdio.h>

#include<conio.h>

void main()

{

int i;

char om[30],em[30];

clrscr();

printf("Enter Original Text: ");

gets(om);

for(i=0;om[i]!=NULL;i++)

{

if(om[i]==' ')

{

em[i]=' ';

}

else if(om[i]>='a' && om[i]<='z')

{

em[i]=om[i]+3;

if(em[i]>'z')

{

em[i]=em[i]-26;

}

else

{

em[i]=om[i]+3;

if(em[i]>'Z')

{

em[i]=em[i]-26;

}

em[i]=NULL;

printf("\n Your Original Text = %s ",om);

printf("\n Enter Encrypted Text = %s ",em);

getch();

}

OUTPUT:

2. Create web pages to illustrate text formatting tags

2016-02-23T11:58:00.000+05:30

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>text formating</title>

</head>

<body>

<h1>This is Header1</h1>

<h2>This is Header2</h2>

<h3>This is Header3</h3>

<h4>This is Header4</h4>

<h5>This is Header5</h5>

<h6>This is Header6</h6>

<p>This is Paragraph</p>

<pre> This is pre formated text in html. it display text as it coped.</pre>

</body>

</html>

Output:

1. Write a html program to print "hello world"

2016-02-23T10:41:00.000+05:30

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>hello world</title>

</head>

<body>

<h1 style="color:#FF0000"> Hello World </h1>

</body>

</html>

Output:

CPU 2110003 GTU Question Paper 30/12/2015

2016-02-23T10:37:00.001+05:30

GTU CPU Question Paper - Exam Date: 30/12/2015 Click Here

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2015-05-01T14:52:00.000+05:30

DOWNLOAD GTU CPU QUESTION PAPERS - CLICK HERE

Write a program using pointer to compare two strings.

2015-04-28T13:29:00.002+05:30

#include<stdio.h>

int compare_string(char*, char*);

main()

{

char first[100], second[100], result;

printf("Enter first string\n");

gets(first);

printf("Enter second string\n");

gets(second);

result = compare_string(first, second);

if ( result == 0 )

printf("Both strings are same.\n");

else

printf("Entered strings are not equal.\n");

return 0;

}

int compare_string(char *first, char *second)

{

while(*first==*second)

{

if ( *first == '\0' || *second == '\0' )

break;

first++;

second++;

}

if( *first == '\0' && *second == '\0' )

return 0;

else

return -1;

}

Output:

Enter first String:HI

Enter Second String:HI

Both string are same

Write a program using pointer to concate two strings.

2015-04-28T13:18:00.002+05:30

#include<stdio.h>
#include<conio.h>

void main()
{
int i=0;
char *str1,*str2,*str3;

puts("Enter first string");
gets(str1);
puts("Enter second string");
gets(str2);

printf("Before concatenation the strings are\n");
puts(str1);
puts(str2);

while(*str1)
{
str3[i++]=*str1++;
}
while(*str2){
str3[i++]=*str2++;
}

str3[i]='\0';
printf("After concatenation the strings are\n");
puts(str3);
getch();

}

Write a program using pointer to read an array if integer

2015-04-28T13:14:00.000+05:30

#include<stdio.h>
void main()
{
int a[5]={5,4,6,8,9};
int *p=&a[0];
int i;

clrscr();

for(i=0;i<5;i++)
printf("%d",*(p+i));

for(i=0;i<5;i++)
printf(" %u\n",(p+i));

getch();
}

Write a program to find factorial of a number using recursion.

2015-04-28T12:55:00.005+05:30

#include<stdio.h>
#include<conio.h>
int fac(int n);

void main()
{
int x;
long int a;
clrscr();
printf("enter the no:");
scanf("%d",&x);
a=fact(x);
printf("factorial=%d",a);
getch();
}
int fact(int n)
{
if(n==1)
return 1;
else
return n*fact(n-1);
}

Write a function power that computes x raised to the power y for integer x and y and returns double type value.

2015-04-28T12:55:00.002+05:30

#include<stdio.h>
#include<conio.h>
#include<math.h>

int power(int a,int b);
void main()
{
int x,y;
clrscr();
printf("enter the x:");
scanf("%d",&x);
printf("enter the y:");
scanf("%d",&y);
power(x,y);
getch();
}
int power(int a,int b)
{
double c;
c=pow(a,b);
printf("\n ans=%lf",c);
return 0;
}

Write a program using pointer and function to determine the length of string.

2015-04-28T12:34:00.001+05:30

#include<stdio.h>

#include<conio.h>
#include<stdio.h>
#include<conio.h>
void ptr();

void main()
{
clrscr();
ptr();
getch();
}
void ptr()
{

char s[100];
char *p;
int length;

printf("\n Enter the string:");
scanf("%s",s);

for(p=s;*p!='\0';p++);

length=p-s;

printf("Length of the string is::%d",length);
}

Celebrating 10000 Visits.....Hurrey Hurrey!!!!

2015-04-20T16:56:00.003+05:30

Chapter - 7 Structure

2015-04-17T13:30:00.000+05:30

Structure |CLICK HERE

Accessing the structure members |CLICK HERE

Array of Structure |CLICK HERE

Difference between Structure and Union |CLICK HERE

Pointers and Structures

2015-04-15T12:43:00.001+05:30

For representing complex data structures, we can use structures and pointers together.

Pointer can be a member of structure, or a pointer to a structure, or an array of pointers to structure.

We can declare a pointer to structure as we do for pointers to basic data types.

Structure Syntax:

struct structure_name

{

datatype-1 variable-1;

datatype-2 variable-2;

datatype-n variable-n;

}struct_variable, ponter-to-struct_variable;

Here, struct is a keyword which is used to define a structure template.

struct name is a name of the structure. It is user defined name.

The members of the structure are written in curly { } braces.

The structure is terminated by semicolon (;).

Structure to Pointer Example:

struct student

{

int rollno;

char name[50];

char branch[20];

float per;

}s1, *sptr;

sptr = &s1;

Now, sptr points to s1 and can be used to access member variable of struct student.

To access member variables using pointer to structure, we have to use an arrow -> operator.

Syntax:

struct_pointer -> member_variable;

Here, struct_pointer is a pointer to structure, and member_variable is the name of member variable.

Example:

s1 -> rollno = 20;

We can also use dot (.) operator to access member variable with pointer to structure like:

(*s1).rollno = 20;

Difference between Structure and Union

2015-04-15T12:18:00.003+05:30

Structure	Union
1. The keyword struct is used to define a structure	1. The keyword union is used to define a structure
2. In structure, each member has its own separate space.	2. In union, all members share the storage space.
3. Memory occupied is the total required to store all the members.	3. Memory occupied is only that much which is required to store the largest member of union.
4. All members can be accessed at anytime.	4. Only one member can be activated at a time.
5. Syntaxt: struct strcture_name { datatype-1 variable-1; datatype-2 variable-2; datatype-3 variable-3; }	5. Syntaxt: union strcture_name { datatype-1 variable-1; datatype-2 variable-2; datatype-3 variable-3; }
6. Example: struct std { int rollno; char name[20]; float salary; } Total Size required = 2 + 20+ 4 = 26	6. Example: union std { int rollno; char name[20]; float salary; } Total Size required = max( 2, 20, 4) = 20

Array of Structure

2015-04-15T11:23:00.001+05:30

As we have an array of basic data types, same way we can have an array variable of structure.

Suppose we want to store details of 50 students instead of declaring 50 different variables of student type, we can declare an array of size 50 to store details of 50 students.

Example:

struct student

{

int id;

char name[30];

float per;

};

struct student s[50];

Program:

A C Program to enter the records of 5 students using structure.

#include<stdio.h>

#include<conio.h>

struct stdinfo

{

int rn;

float per;

};

void main()

{

struct stdinfo s[3];

int i;

clrscr();

for(i=1;i<=3;i++)

{

printf("\n Enter the student roll no.:");

scanf("%d",&s[i].rn);

printf("\n Enter the student percentage.:");

scanf("%d",&s[i].per);

}

for(i=0;i<=5;i++)

{

printf("\n Roll Number \t\t Percentage");

printf("\n %d \t\t %f",s[i].rn,s[i].per);

}

getch();

}

OUTPUT:

Enter the student roll no.: 1

Enter the student percentage.: 67

Enter the student roll no.: 2

Enter the student percentage.: 76

Enter the student roll no.: 3

Enter the student percentage.: 88

Roll Number Percentage
1 67
2 76
3 88