#include <bits/stdc++.h>
#define ll long long
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[101][101];
const int INF = 10000;
int main(){
    int n;
    fin >> n;
    for(int i = 1; i<=n; i++){
        for(int j = 1; j<=n; j++) {
            fin >> a[i][j];
            if(a[i][j] == 0) a[i][j] = INF;
        }
    }
    for(int k = 1; k<=n; k++){
        for(int i = 1; i<=n; i++){
            for(int j = 1; j<=n; j++){
                if(i != k && a[i][j] != INF) a[i][j] = min(a[i][k] + a[k][j], a[i][j]);
            }
        }
    }
    for(int i = 1; i<=n; i++){
        for(int j = 1; j<=n; j++){
            if(a[i][j] == INF) a[i][j] = 0;
            fout << a[i][j] << ' ';
            
        }
            fout << '\n';
    }

    return 0;
}