Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
146004 潘明泽 09闰年第n个月有多少天 C++ Compile Error 0 MS 0 KB 248 2026-01-25 20:12:25

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int n1,n2,n3; int a[5005]={0,31,29,31,30,31,30,31,31,30,31,30,31}; int main(){ cin>>n; if(n<=0||n>=13){ cout<<"Invalid."; }else{ cout<<a[n]; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:10: error: 'n' was not declared in this scope
     cin>>n;
          ^