/// circular

#include <bits/stdc++.h>
using namespace std;

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

int i, j, k, n, mat[110][110], ras[110][110];

int main()
{
    fin >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
        {
            fin >> ras[i][j];
            if (ras[i][j] == 0)
                ras[i][j] = 1e9;
        }

    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
        {
            if (i == j)
                continue;
            for (k = 1; k <= n; k++)
                ras[i][j] = min(ras[i][j], ras[i][k] + ras[k][j]);
        }

    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
            if (ras[i][j] < 1e9)
                fout << ras[i][j] << " ";
            else
                fout << 0 << " ";
        fout << '\n';
    }

    return 0;
}