Check whether a given year is leap year or not using nested if else

Write a program to find whether a given year is a leap year or not using nested if-else.

C Program

#include <stdio.h>
int main()
{
    int year;
    printf("Enter a year : ");
    scanf("%d", &year);
    if (year % 100 == 0)
    {
        if (year % 400 == 0)
        {
            printf("Leap Year\n");
        }
        else
        {
            printf("Not a leap year\n");
        }
    }
    else if (year % 4 == 0)
    {
        printf("Leap Year\n");
    }
    else
    {
        printf("Not a leap year\n");
    }
    return 0;
}

Example:

Enter a year : 2020

Example:

Leap Year