C语言习题记录书本例题
#include<stdio.h>int main(void){ int year,leap; scanf("%d",&year); if(year%4==0) { if(year%100==0) { if(year%400==0) leap=1; else leap=0; }else leap=1; } else leap=0; if(leap) printf("%d 是闰年!",year); else printf("%d 不是闰年!",year); return 0;}