Source Code
// 13. Program to check leap year
// Arpan Das - CST 2nd Year (VOCLET)
#include <stdio.h>
//#include <conio.h>
//#include <stdlib.h>
void main () {
/*int is_leap_year(int year) {
if (year%400==0) return 1;
else if (year%100==0) return 1;
else if (year%4==0) return 1;
else return 0;
}*/
int year;
//system("cls");
//clrscr();
printf("\t\t..:: check leap year ::..\n\n");
printf("Enter year: ");
scanf("%d", &year);
if (year%400==0 || (year%100!=0 && year%4==0))
printf("\nLeap year");
else
printf("\nnot leap year");
//if (is_leap_year(year)==1) printf("\nLeap year");
//else printf("\nnot leap year");
//getch();
}
Output
..:: check leap year ::..
Enter year: 2020
Leap year
..:: check leap year ::..
Enter year: 2021
not leap year