Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
121326 谭思宸 拐角方阵 C++ Compile Error 0 MS 0 KB 378 2025-06-07 11:44:00

Tests(0/0):

Code:

#include <iostream> using namespace std; int main(){ int n; int a[21][21] cin>>n; for(int k=1;k<=n;k++){ for(int i=k;i<=n;i++) for(int j=k;j<=n;j++) a[i][j]=k; } for(int i=1;i<=n;i++){ for(int j=1;j<n;j++) cout<<a[i][j]<<" "; cout<<a[i][n]<<endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:5: error: expected initializer before 'cin'
     cin>>n;
     ^
Main.cc:10:17: error: 'a' was not declared in this scope
                 a[i][j]=k;
                 ^
Main.cc:14:19: error: 'a' was not declared in this scope
             cout<