timp_1-18

#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main(){
    int a[100][100];
    int n;
    cin >> n;

    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cin >> a[i][j];
        }
    }
    for(int i=0;i<n;i++){
            int b = 1;
        for(int j=0;j<n;j++){
            if(a[i][j] == a[b][j]){
                continue;
            }else cout << a[i][j] << " ";
        }
        b++;
        cout << endl;
    }
    return 0;
}