Useful study materials & notes for Diploma & Degree computer science student, BSC & MSC computer science student, BCA & MCA student, DOEACC O, A & B Level student.noreply@blogger.com (Anonymous)Fri, 6 Sep 2024 01:54:27 +0530Blogger http://www.blogger.com237125http://computertechscience.blogspot.com/en-usnoC,programming,languageStudy material for DOEACC ( O, A and B Level ), BSc and MSc computer science, Diploma and Degree computer science, BCA and MCAComputer Science and Technologyrajagoswami2010@hotmail.comhttp://computertechscience.blogspot.com/2012/11/input-three-numbers-in-main-function.htmlPointerSun, 4 Nov 2012 10:48:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-6805494857145530949 Input three numbers in main function calculate there sum & average in a user defined function and print the result in the main function. #include <stdio.h> #include <conio.h> void sumavg ( int   n1, int    n2, int    n3, int*s, float*avg ) {                 &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/11/pointer004.htmlPointerSat, 3 Nov 2012 09:42:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-24553832148692692 Input some elements in an array and copy that array into another array using pointer. #include <stdio.h>#include <conio.h>void input ( int    arr[], int    l ){                                 int&0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/pointer003.htmlPointerWed, 31 Oct 2012 09:18:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-4247531992737021428 Input two numbers and swap them. #include<stdio.h>#include<conio.h>void swap ( int*, int* );void main ( ){                           int      m, n;        clrscr ( );     &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/pointer002.htmlPointerTue, 30 Oct 2012 08:43:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-1661763779448310778 Input some numbers in an array. Print the array using pointer. #include <stdio.h>#include <conio.h>void print ( int    arr[], int    l){                                  int i;   &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/pointer001.htmlPointerMon, 29 Oct 2012 08:33:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-4747736767011040338 Concept of pointer. #include <stdio.h>#include <conio.h>void main ( ){                    int       n, *p;        p = &n;        n = 5;        clrscr ( );&0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function041.htmlFunctionThu, 25 Oct 2012 09:10:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-7136298493858123922 Write a function to accept two strings as arguments. The function should return the index of the second string in the first string, if it exists and -1 otherwise. Don't use any library routines related to strings. #include <stdio.h>#include <conio.h>void main ( ){                 char        0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function040.htmlFunctionWed, 24 Oct 2012 09:02:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-6743260260272111612 Write a menu driven 'C' program , which prints the options 1,2,3 (as given below) and asks the user to select an option. If user options :                    1  then find the factors of the entered number                &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function039.htmlFunctionTue, 23 Oct 2012 09:08:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-4887051338042522714 Write a C program that will enter a line of text, store in an array and then display backwards. The length of the line should be undefined, (being terminated by ENTER key), but less than 80 characters.  #include <stdio.h>#include <conio.h>void backward ( char    str[] ){                &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function038.htmlFunctionMon, 22 Oct 2012 09:02:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-4600118940205418892 Write a C program to accept a date in the format DD / MM / YYYY and add an integer to get the resultant date. #include <stdio.h>#include <conio.h> int leap ( int    yy ){              if ( yy % 400 == 0 || ( yy % 100 != 0 && yy % 4 == 0 ) )           &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function037.htmlFunctionSun, 21 Oct 2012 08:58:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-8179700770767858131 The sequence of Fibonacci numbers is defined as below: f(i)=f(i-1)+f(i-2) with f(0)=1 and f(1)=1. Develop a C program to calculate and display Fibonacci numbers.  #include <stdio.h>#include <conio.h>void main ( ){                            &nbsp0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function036.htmlFunctionSat, 20 Oct 2012 09:12:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-4407848576883048451 Write a 'C' function to arrange the elements of an integer array in such a way that all the negative elements are before the positive elements. The array is passed to it as an argument. #include <stdio.h>#include <conio.h>void posneg (int    arr[], int    l );void main ( ){             &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function035.htmlFunctionFri, 19 Oct 2012 10:09:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-7154669816584166957 Write a 'C' program to compute the following series: 1 - x + x ^ 2 / 2 - x ^ 3 / 6 + x ^ 4 / 24 + ..... + ( - 1 ) ^ nx ^ n / n ! where n and x is to be accepted by the user. #include <stdio.h>#include <conio.h>#include <math.h>float series ( int    n, float    x ){              &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function034.htmlFunctionThu, 18 Oct 2012 09:45:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-2726379932613740630 Write a C program to calculate the frequencies of different alphabets, present in a given string. The string of alphabets is to be taken as input from the keyboard. #include<stdio.h>#include<conio.h>int frequency ( char    str[], int    j );void main ( ){                &nbsp0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function033.htmlFunctionWed, 17 Oct 2012 09:21:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-7466495474198797340 Write a C function print_upper ( ) to prints its character argument in uppercase. #include <stdio.h>#include <conio.h>void print_upper ( char    str[] ){                           int     i;     &nbsp0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function032.htmlFunctionWed, 17 Oct 2012 09:07:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-1055476406846823331 Write a C function wordcount ( ) to count the number of words in a given string and then call in main ( ). #include <stdio.h>#include <conio.h>int wordcount  (char     str[] ){                       int     i, w = 1;   &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function031.htmlFunctionTue, 16 Oct 2012 19:44:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-3943512354436892262 Input some elements in increasing order and write a function to search an element using binary search method.#include <stdio.h>#include <conio.h>void main ( ){                              int        arr[10], i,0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function030.htmlFunctionMon, 15 Oct 2012 18:13:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-6526681508170553543 Write a program to find a^n, where a and n can be any positive integer.Define a recursive function power ( ) to perform the operation.  #include <stdio.h>#include <conio.h>int power ( int    a, int    n );int power ( int    a, int    n ){             &nbsp0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/case-structure006.htmlSwitch CaseSun, 14 Oct 2012 22:43:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-5827888926945119376 Write a program to convert an input number in Binary, Octal and Hexadecimal number. The choice should be input by user. #include <stdio.h>#include <conio.h>void main ( ){                     int          no, cho, md[50], c, i;   &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/array043.htmlarraySat, 13 Oct 2012 12:44:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-5019699420584853383 Write a 'C' program to find the minimum of the eight floating point numbers and its place in the array. #include <stdio.h> #include <conio.h> void main ( ) {                            float     arr[8], min;     &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function029.htmlFunctionSat, 13 Oct 2012 12:33:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-8752779688697309493 Develop a function to calculate sum of n even integers starting from a given even integer. #include <stdio.h> #include <conio.h> void main ( ) {                                 int     s, n, t;   &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function028.htmlFunctionSat, 13 Oct 2012 12:20:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-3982455596401516764 Write a program using function to read an array from the user and print the odd number at odd position and prints the even numbers at even positions. The number of odd numbers and even numbers should be equal. #include <stdio.h>#include <conio.h>void oddeven (int    arr[], int    l );void main ( ){         &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function027.htmlFunctionFri, 12 Oct 2012 10:28:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-9197808910445527539 Write a function which accepts an integer array of size n and prints every third value of the array.  #include <stdio.h>#include <conio.h>void print ( int    arr[], int    n ){                             0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function026.htmlFunctionFri, 12 Oct 2012 09:53:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-6381644801994250163 Write a function that takes time in seconds as input and print it in terms of hour, minute and seconds. #include <stdio.h>#include <conio.h>void hrminsec ( int    sec ){                                  &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/string032.htmlstringFri, 12 Oct 2012 09:09:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-8178072835969561421 Write a program which asks the user to enter the name and age of persons in his group. The number of persons is not known to the user in the beginning of the program. The user keeps on entering the data till the user enters the age as zero. The program finally prints the average age. #include <stdio.h>#include <conio.h>void main ( ){        &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)http://computertechscience.blogspot.com/2012/10/function025.htmlFunctionThu, 11 Oct 2012 10:00:00 +0530tag:blogger.com,1999:blog-3763214004441310208.post-5181525487618293713 Write a function which accepts an array of size n containing integer values and returns the average of all values. Call the function from main program.  #include <stdio.h>#include <conio.h>float arravg ( int    [], int );void main ( ){                      &0Kolkata, West Bengal, India22.572646 88.36389522.338053499999997 88.048038 22.8072385 88.679752rajagoswami2010@hotmail.com (Anonymous)