很简单

#include <iostream>
using namespace std;
int main(){
int a,b,c[110][110]={0};
cin>>a>>b;
for(int i=1;i<=a;i++){
for(int j=1;j<=b;j++){
cin>>c[i][j];
}
}
for(int i=1;i<=a;i++){
for(int j=1;j<=b;j++){
cout<<c[i][j]<<" ";
}
cout<<endl;
}

}