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C Program to Check Leap Year

C program to check whether a year is leap year or not using if else statement.




     #include <stdio.h>

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

      if(year%4 == 0)
      {
          if( year%100 == 0)   /* Checking for a century 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 year: 1900
                                  1900 is not a leap year.


Output 2:


                                   Enter year: 2012
                                   2012 is a leap year.



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