Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
123294 周泽洋 09闰年第n个月有多少天 C++ Compile Error 0 MS 0 KB 450 2025-06-28 17:51:12

Tests(0/0):

Code:

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

Run Info:

Main.cc: In function 'int main()':
Main.cc:11:17: error: expected ';' before ':' token
         case 1:3:5:7:8:10:12:
                 ^
Main.cc:12:29: warning: statement has no effect [-Wunused-value]
             cout<<"31"<