Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
155309 王培臻 矩阵对角线 C++ Compile Error 0 MS 0 KB 369 2026-06-06 15:26:39

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main() { long long a[1001][1001]; long long s,d; cin>>s>>d; for(int i=1;i<=s;i++){ for(int j=1;j<=n;j++){ cin>>a[i][j]; } } for(int j=1;j<=n;j++){ for(int i=1;i<=n;i++){ if(i==j){ cout<<a[j][i]+d<<" "; }else{ cout<<a[j][i]<<" "; } } cout<<endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:8:18: error: 'n' was not declared in this scope
   for(int j=1;j<=n;j++){
                  ^
Main.cc:12:17: error: 'n' was not declared in this scope
  for(int j=1;j<=n;j++){
                 ^