Write a C program to check whether the given year is leap year or not.
A year is leap year
- If the year value is divisible by 400
 - If the year value is divisible by 4 but not divisible by 100
 
#include <stdio.h>
int main() {
int year;
printf("Enter ur input for year:");
/* get year value from the user */
scanf("%d", &year);
/* check whether the given year is leap or not */
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:
  jp@jp-VirtualBox:~/$ ./a.out
Enter ur input for year:100
100 is not a leap year
jp@jp-VirtualBox:~/$ ./a.out
Enter ur input for year:4004
4004 is a leap year
Enter ur input for year:100
100 is not a leap year
jp@jp-VirtualBox:~/$ ./a.out
Enter ur input for year:4004
4004 is a leap year
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