C program to check leap year

C programming code

#include <stdio.h>

int main()

{

  int year;

  printf("Enter a year to check if it is a leap year\n");

  scanf("%d", &year);

  if ( year%400 == 0)

    printf("%d is a leap year.\n", year);

  else if ( year%100 == 0)

    printf("%d is not a leap year.\n", year);

  else if ( year%4 == 0 )

    printf("%d is a leap year.\n", year);

  else

    printf("%d is not a leap year.\n", year); 

  return 0;

}

Output of program:

Enter a year to check if it is a leap year

2004

2004 is a leap year

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