Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
139957 王显端 09闰年第n个月有多少天 C++ Wrong Answer 0 MS 272 KB 336 2025-12-13 12:12:25

Tests(1/10):

Code:

#include<iostream> 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; case 2: cout<<"29"; break; default: cout<<"lnvalid"; break; } return 0; }

Run Info:

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

0

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

Invalid.

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

lnvalid