Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
83654 杜奕辰 矩阵对角线 C++ Compile Error 0 MS 0 KB 411 2024-07-14 16:17:03

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main() { int n,m; cin>>n>>m; for(int i=0; i<n; i++) { for(int j=0; j<n; j++) { cin>>a[i][j]; if(i==j||i+j==n-1) { a[i][j]+=m; } } } for(int i=0; i<n; i++) { for(int j=0; j<n; j++) { printf("%5d",a[i][j]); } cout<<endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:8:18: error: 'a' was not declared in this scope
             cin>>a[i][j];
                  ^
Main.cc:17:14: error: 'a' was not declared in this scope
 printf("%5d",a[i][j]);
              ^