5_10.cpp

C程序参考,简单易懂,是初学者不可少的参考资料

#include<stdio.h>
main()
 {
     int year,leap;
     printf("Please enter year:\n");
     scanf("%d",&year);
     if(year%400==0)
         leap=1;
     else
         if((year%4==0)&&(year%100!=0))
             leap=1;
         else
             leap=0;
     if(leap!=0)
         printf("%d is a leap year.\n",year);
     else
         printf("%d is not a leap year.\n",year);
 }