Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
150148 张蔚林 09闰年第n个月有多少天 C++ Wrong Answer 1 MS 276 KB 342 2026-03-22 12:23:44

Tests(1/10):

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 2: cout<<"29"; break; case 4: case 6: case 9: case 11: cout<<"30"; break; default: cout<<"lnvalid."; } return 0; }

Run Info:

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

0

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

Invalid.

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

lnvalid.