#include <fstream>
#define NMAX 105

using namespace std;

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

int v[NMAX][NMAX];
const int INF = 1e9 + 7;

int main()
{
    int n, i, j, k;
    in >> n;
    for (i = 1; i <= n; ++i)
    {
        for (j = 1; j <= n; ++j)
        {
            in >> v[i][j];
            if (v[i][j] == 0)
                v[i][j] = INF;
        }
    }

    for (k = 1; k <= n; ++k)
    {
        for (i = 1; i <= n; ++i)
        {
            for (j = 1; j <= n; ++j)
            {
                if (v[i][j] > v[i][k] + v[k][j])
                    v[i][j] = v[i][k] + v[k][j];
            }
        }
    }

    for (i = 1; i <= n; ++i)
    {
        for (j = 1; j <= n; ++j)
        {
            if (i == j || v[i][j] == INF)
                out << 0 << " ";
            else
                out << v[i][j] << " ";
        }
        out << '\n';
    }
    return 0;
}