#include <bits/stdc++.h>
#define MAX 110

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n, a[MAX][MAX];

void royfloyd (){
    for (int k = 1; k <= n; k++){
        for (int i = 1; i <= n; i++){
            for (int j = 1; j <= n; j++){
                if (a[i][k] && a[k][j] && i != j){
                    if (a[i][j] > a[i][k] + a[k][j] || !a[i][j]){
                        a[i][j] = a[i][k] + a[k][j];
                    }
                }
            }
        }
    }
}

int main()
{
    f >> n;
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            f >> a[i][j];
        }
    }
    royfloyd();
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            g << a[i][j] << ' ';
        }
        g << '\n';
    }
    return 0;
}