#include <bits/stdc++.h>

using namespace std;

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

const int NMAX = 107;

int v[NMAX][NMAX];
int n;

int main()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
        {
            fin >> v[i][j];
            if (i != j && v[i][j] == 0)
                v[i][j] = INT_MAX;
        }

    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (i != j && v[i][j] > v[i][k] + v[k][j])
                    v[i][j] = v[i][k] + v[k][j];

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            fout << v[i][j] << " ";
        fout << "\n";
    }

    return 0;
}