#include <bits/stdc++.h>

#define NMAX 100
#define INF INT16_MAX

int main()
{
    int n;
    int g[NMAX][NMAX];
    int d[NMAX][NMAX];

    std::ifstream fin("royfloyd.in");

    fin >> n;

    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j)
            fin >> g[i][j];

    fin.close();

    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j)
            if (g[i][j] == 0)
                d[i][j] = INF; 
            else
                d[i][j] = g[i][j];

    for (int k = 0; k < n; ++k)
        for (int i = 0; i < n; ++i)
            for (int j = 0; j < n; ++j)
                if (d[i][j] > d[i][k] + d[k][j])
                    d[i][j] = d[i][k] + d[k][j];

    std::ofstream fout("royfloyd.out");

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j)
            if (d[i][j] == INF || i == j)
                fout << 0 << ' ';
            else
                fout << d[i][j] << ' ';
        fout << '\n';
    }

    fout.close();

}