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C : Check Leap Year

Tutorial by:Manisha Dubey      Date: 2016-06-17 03:11:14

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This program checks whether the year (integer) entered by the user is a leap year or not.

A leap year is exactly divisible by 4 except for century years (years ending with 00). The century year is a leap year only if it is perfectly divisible by 400.

Example: Program to Check Leap Year


/int main()
{
    int year;

    printf("Enter a year: ");
    scanf("%d",&year);

    if(year%4 == 0)
    {
        if( year%100 == 0)
        {
            // year is divisible by 400, hence the year is a leap year
            if ( year%400 == 0)
                printf("%d is a leap year.", year);
            else
                printf("%d is not a leap year.", year);
        }
        else
            printf("%d is a leap year.", year );
    }
    else
        printf("%d is not a leap year.", year);
    
    return 0;
}

Output 1

Enter a year: 1900
1900 is not a leap year.

 

 
 

Output 2

Enter a year: 2012
2012 is a leap year.

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