#include <iostream>
#include <fstream>
#define nl '\n'

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int NMAX = 101, INF = 1e9;

int n, c[NMAX][NMAX];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    fin >> n;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            fin >> c[i][j];
            if (!c[i][j] && i != j)
                c[i][j] = INF;
        }
    }
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                    c[i][j] = min(c[i][j], c[i][k]+c[k][j]);
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if (c[i][j] == INF)
                c[i][j] = 0;
            fout << c[i][j] << ' ';
        }
        fout << nl;
    }
    return 0;
}