#include <stdio.h> int main() { int n; scanf("%d",&n); if(n%400==0||(n%4==0&&n%100!=0))//注意闰年的定义 printf("%d is a leap year!",n); else printf("%d isn't a leap year!",n); return 0;}
#include <stdio.h> int main() { int n; scanf("%d",&n); if(n%400==0||(n%4==0&&n%100!=0))//注意闰年的定义 printf("%d is a leap year!",n); else printf("%d isn't a leap year!",n); return 0;}
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