Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
6591 柯宇希 矩阵对角线 C++ Compile Error 0 MS 0 KB 513 2025-03-08 14:25:17

Tests(0/0):

Code:

# include<iostream> # include<iomanip> # include<cstdio> using namespace std; int a[101][101],n,m; int main(){ cin>>n>>m; for(int i=0;i<n;i++) for(int j=0;j<n;j++){ cin>>a[i][j]; if(i==j) a[i][j]+=m; if(i+j==n-1) a[i][j]+=m; } if(n%2!=0) a[n/2][n/2]-=m; for(int i=0;i<n;i++){ for(int j=0;j<n;j++); // cout<<setw(5)<<a[i][j]; printf("%5d",a[i][j]); cout<<endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:20:27: error: 'j' was not declared in this scope
         printf("%5d",a[i][j]);
                           ^