C program to check a year whether it is leap year or not

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The C program given below is a program that will ask you a year showing a message Enter a year: . When you will input a year using the keyboard, then the program will check whether it is a leap year or not. Most of the description of the codes are given after the statement in different color. Ignore the description when you will type the program in a compiler like Turbo C, CodeBlocks etc.

#include<stdio.h>

#include<conio.h>

main()

{

int year; /*Declaring an integer type variable called year*/

printf("Enter a year: "); /*Showing a message*/

scanf("%d",&year); /*Getting value from keyboard*/

if(year%4==0) /*Checking if the data is divisible by 4*/

{

printf("The year is leap year"); /*If the year is divisible by 4, then showing a message*/

}

else

{

if(year%100==0) /*Again checking, if the data is divisible by 100*/

    {

if(year%400==0) /*Again checking, if the data is divisible by 400*/

{

     printf("the year is leap year"); /*If the year is divisible by 100 and 400, then showing a message*/

}

    }

else

printf("the year is not leap year"); /*If all the conditions are wrong, then showing a message*/

}

getch();

}

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