#include <bits/stdc++.h>

using namespace std;

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

const int N_MAX = 105;

int N, v[N_MAX][N_MAX];

int main()
{
    fin >> N;
    for (int i = 1; i <= N; i++)
        for (int j = 1; j <= N; j++)
            fin >> v[i][j];

    for (int k = 1; k <= N; k++)
        for (int i = 1; i <= N; i++)
            for (int j = 1; j <= N; j++)
                if (v[i][k] != 0 && v[k][j] != 0 && i != j)
                    if (v[i][j] != 0)
                        v[i][j] = min(v[i][j], v[i][k] + v[k][j]);
                    else
                        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;
}