C Program to convert days to years, weeks and days

Posted on October 3, 2011 by Sandeepa Nadahalli

Write a C Program to convert given number of days to a measure of time given in years, weeks and days. For example 375 days is equal to 1 year 1 week and 3 days (ignore leap year).Read more about C Programming Language .

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*                         Happy Coding
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#include <stdio.h>
#define DAYSINWEEK 7

void main()
{
 int ndays, year, week, days;

 printf("Enter the number of daysn");
 scanf("%d",&ndays);

 year = ndays/365;
 week = (ndays % 365)/DAYSINWEEK;
 days = (ndays%365) % DAYSINWEEK;

 printf ("%d is equivalent to %d years, %d weeks and %d daysn",
   ndays, year, week, days);
}

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C Program to compute the surface area and volume of a cube

Posted on October 3, 2011 by Sandeepa Nadahalli

C Program to compute the surface area and volume of a cube. Program will accept the length of the sides and calculates surface area and volume of the cube. Read more about C Programming Language .

/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                         Happy Coding
***********************************************************/


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

void main()
{
 float  side, surfArea, volume;

 printf("Enter the length of a siden");
 scanf("%f", &side);

 surfArea = 6.0 * side * side;

 volume = pow (side, 3);

 printf("Surface area = %6.2f and Volume = %6.2fn", surfArea, volume);
}

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C Program to accept a string and a substring and check if the substring is present in the given string

Posted on October 3, 2011 by Sandeepa Nadahalli

C Strings:
Write a C program to accept a string and a substring and check if the substring is present in the given string. Program search’s given substring is in the string or not, and prints the appropriate message. Read more about C Programming Language .

/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                         Happy Coding
***********************************************************/




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

void main()
{
 char str[80],search[10]; 
 int count1=0,count2=0,i,j,flag;


 clrscr();

 puts("Enter a string:");
 gets(str);

 puts("Enter search substring:");
 gets(search);

 while (str[count1]!='