作业三4-应用分支与循环结构解决问题——判断年份是否为闰年
![](http://images0.cnblogs.com/blog/570517/201310/30221313-5b1e60e7f42c4f638d9c586a3e019186.png)
![](http://images0.cnblogs.com/blog/570517/201310/30221331-a8cab739da9845c69495ff7a6f90dc7c.png)
![](http://images0.cnblogs.com/blog/570517/201310/30221343-9c1aa9bde1964d0fa75c0f5c6e5aabb5.png)
#include<stdio.h>int main(void) { int i,year,n; printf("请输入n"); scanf_s("%d",&n); printf("Input -1 to quit:"); scanf_s("%d", &year); if( year==-1 ) //*如果输入值为-1,则退出
return -1; for(i=1;i<=n;i++){ printf("请输入年份:"); scanf_s("%d",&year); if((year%4==0&&year%100!=0)) //如果输入的年份能被四整除
printf("恭喜你!!这一年是闰年!\n"); } else{ printf("Oh NO!这一年不是闰年!!\n"); } } return 0; }