1) Write a C program to check whether a year is leap year or

#include<stdio.h>
int main()
{
    int yeaar%100)==0)
        printf("Is not a year %d\n",year);

    else if
     ((year%400)==0)
        printf(" leap year%d\n",year);

    else if
        ((year%4)==0)
        printf("Is a leap year%d\n",year);
    elser;
    printf("Enter a year:");
    scanf("%d",&year);
    if
        ((ye
        printf("Is not a leap year%d",year);
    return 0;
}