154535

Run ID	作者	问题	语言	测评结果	Time	Memory	代码长度	提交时间
154535	汪义罗	矩阵行交换	C++	Compile Error	0 MS	0 KB	856	2026-05-30 15:01:55

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ int a[100][100]; int n,m,sum=0; cin>>n>>m; //输入 //1 for(int i=1;i<=n;i++){ for(int j=1;j<=m;j++){ cin>>a[i][j]; } } //1 for(int j=1;j<=m;j++){ for(int j=1;j<=m;j++){ if(i==m){ cout<<a[n][j]<<" "; }else if(i==n){ cout<<a[m][j]<<" "; }else{ cout<<a[i][j]<<" "; } } } return 0; } #include<iostream> using namespace std; int main(){ int a[100][100]; int n,m,sum=0; cin>>n>>m; //输入 //1 for(int i=1;i<=n;i++){ for(int j=1;j<=m;j++){ cin>>a[i][j]; } } //1 for(int j=1;j<=m;j++){ for(int j=1;j<=m;j++){ if(i==m){ cout<<a[n][j]<<" "; }else if(i==n){ cout<<a[m][j]<<" "; }else{ cout<<a[i][j]<<" "; } } } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:19:8: error: 'i' was not declared in this scope
     if(i==m){
        ^
Main.cc:6:10: warning: unused variable 'sum' [-Wunused-variable]
  int n,m,sum=0;
          ^
Main.cc: In function 'int main()':
Main.cc:35:5: error: redefinition of 'int main()'
 int main(){
     ^
Main.cc:4:5: note: 'int main()' previously defined here
 int main(){
     ^
Main.cc:50:8: error: 'i' was not declared in this scope
     if(i==m){
        ^
Main.cc:37:10: warning: unused variable 'sum' [-Wunused-variable]
  int n,m,sum=0;
          ^