Michael Bean's Spring 2017 Lab 3 v1.1 , C (gcc)

Michael Bean's Spring 2017 Lab 3 v1.1

//gcc 5.4.0

#include  <stdio.h>
//Problem:
//We would like implement a C program that reads an input a year and checks if it is a leap year. 
//Design an algorithm that checks whether a year is a leap year. A leap year:
//The year is evenly divisible by 4;
//If it can be evenly divided by 100, it is NOT a leap year, unless it is also evenly divisible by 400. Then it is a leap year.
//Write a C program that implements your algorithm. (Due next lab).

//Pseudocode
//Start Program:
//  Int inputyear
//  READ inputyear
//   IF (inputyear%4==0 && inputyear%100!=0)
//   {
//     THEN PRINT "inputyear is a leap year"
//   }
//   ELSE IF (inputyear%4==0 and inputyear%100==0 and inputyear%400==0)
//   {
//     THEN PRINT "inputyear is a leap year"
//   }
//   ELSE
//   {
//     THEN PRINT "inputyear is not a leap year"
//   }
//End Program:

int main(void)
{
        int inputyear;
        int a;
            a=4;
        int b;
            b=100;
        int c;
            c=400;
       scanf("%d",&inputyear);
        int check1;
            check1=inputyear%a;
        //    printf("check1=%d\n",check1);
        int check2;
            check2=inputyear%b;
        //    printf("check2=%d\n",check2);
        int check3;
            check3=inputyear%c;
        //    printf("check3=%d\n",check3);
            if(check1==0 && check2!=0)
             {
              printf("%d is a leap year! :)",inputyear);     
             }
            else if(check1==0 && check2==0 && check3==0)
             {
              printf("%d is a leap year! :)",inputyear);
             }
            else
             {
              printf("%d is not a leap year! :(",inputyear);
             }
                
}


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