题解

#include<iostream>
using namespace std;
int main(){
    int a[110][110],n,m;
    cin>>n>>m;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cin>>a[i][j];
            cout<<a[i][j]<<' ';
        }
        cout<<"\n";    //或cout<<endl;
    }
    return 0;
}