Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
121499 杜禹轩 09闰年第n个月有多少天 C++ Wrong Answer 1 MS 272 KB 337 2025-06-07 15:15:27

Tests(2/10):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; switch (n){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: cout<<31<<" "; break; case 4: case 6: case 9: case 11: cout<<30<<" "; break; default : cout<<"Invalid."; } }

Run Info:

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

2

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

29

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

Invalid.