Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
139664 qsy 09闰年第n个月有多少天 C++ Wrong Answer 0 MS 264 KB 390 2025-12-08 16:41:30

Tests(0/10):

Code:

#include <iostream> using namespace std; int main(){ int a; cin>>a; switch(a){ case 1:cout<<"31"; case 2:cout<<"29"; case 3:cout<<"31"; case 4:cout<<"30"; case 5:cout<<"31"; case 6:cout<<"30"; case 7:cout<<"31"; case 8:cout<<"31"; case 9:cout<<"30"; case 10:cout<<"31"; case 11:cout<<"30"; case 12:cout<<"31"; default :cout<<"Invalid."; } }

Run Info:

------Input------

3

------Answer-----

31

------Your output-----

31303130313130313031Invalid.