Program of leap year | In C

Practice Program

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check whether year is leap year or not?

Solution:

int is_leapyear(int year)
{
    if(year % 4 == 0) //if year is divisible by 4 and
        if(year % 100 !=0) //not divisible by 100
          return 1;  //then year is a leap year.
        else
         if(year % 400==0)//if year is divisible by 100 but
            return 1;//it is divisible by 400 then
                     //year is leap year.
return 0;



}

Using above function:

void main()
{  //maximum among two numbers.
    int result;
    //calling function is_leap_year
    result = is_leapyear(2012);

    if(result == 1) //if return value is 1
        printf("It  is a leap year.");//then we will print it is 
    else                             //leap year.
        printf("It is a leap year.");//otherwise we will print
                                     //it is no leap year.

}

Output1

It is a leap year.

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Using above function:

void main()
{  //maximum among two numbers.
    int result;
    //calling function is_leap_year
    result = is_leapyear(1990);

    if(result == 1) //if return value is 1
        printf("It  is a leap year.");//then we will print it is 
    else                             //leap year.
        printf("It is not a leap year.");//otherwise we will print
                                     //it is no leap year.

}

Output2

It is not a leap year.

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Using above function:

void main()
{  //maximum among two numbers.
    int result;
    //calling function is_leap_year
    result = is_leapyear(2014);

    if(result == 1) //if return value is 1
        printf("It  is a leap year.");//then we will print it is 
    else                             //leap year.
        printf("It is not a leap year.");//otherwise we will print
                                     //it is no leap year.

}

Output3

It is not a leap year.

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