#include <bits/stdc++.h>
using namespace std;
const int NMAX = 104;
const int INF = 10000004;

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

int n;
int d[NMAX][NMAX];
int main()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            d[i][j] = INF;
        }
    }
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            int a;
            fin >> a;
            if (a != 0)
            {
                d[i][j] = a;
            }
        }
    }
    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                if (d[i][k] < INF && d[k][j] < INF)
                {
                    d[i][j] = min(d[i][j], d[i][k] + d[k][j]);
                }
            }
        }
    }
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if (d[i][j] == INF || i == j)
            {
                d[i][j] = 0;
            }
            fout << d[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}