Programming Examples

C Program to Check Leap Year


Write a C Program to input any year and Check year is Leap Year or Not

Solution

#include <stdio.h>
int main() 
{
   int year;
   printf("Enter a year: ");
   scanf("%d", &year);

   // leap year if perfectly visible by 400
   if (year % 400 == 0) {
      printf("%d is a leap year.", year);
   }
   // not a leap year if visible by 100
   // but not divisible by 400
   else if (year % 100 == 0) {
      printf("%d is not a leap year.", year);
   }
   // leap year if not divisible by 100
   // but divisible by 4
   else if (year % 4 == 0) {
      printf("%d is a leap year.", year);
   }
   // all other years are not leap year
   else {
      printf("%d is not a leap year.", year);
   }

   return 0;
}
Output

Enter a year: 1900

1900 is not a leap year.

--------------------------------

Enter a year: 2012

2012 is a leap year.

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