Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
130902 任艺宸 矩阵行交换 C++ Compile Error 0 MS 0 KB 656 2025-09-20 11:07:11

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n,m; int a[6][6]; cin>>n>>m; for(int i=1;i<=5;i++) for(int j=1;j<=5;j++) cin>>a[i][j]; if(i==n)cin>>a[m][j]; else if(i==m)cin>>a[n][j]; else cin>>a[i][j]; for(int i=1;i<=5;i++) { for(int j=1;j<=5;j++) { cout<<a[i][j]<<' '; } cout<<endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:15:15: error: 'i' was not declared in this scope
            if(i==n)cin>>a[m][j];
               ^
Main.cc:15:30: error: 'j' was not declared in this scope
            if(i==n)cin>>a[m][j];
                              ^
Main.cc:16:35: error: 'j' was not declared in this scope
            else if(i==m)cin>>a[n][j];
                                   ^
Main.cc:17:27: error: 'j' was not declared in this scope
            else cin>>a[i][j];
                           ^