#include <bits/stdc++.h>
#include <limits>

using namespace std;

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

int infinit = std::numeric_limits<int>::max();

int matr[101][101];

int main()
{
    int N, i, j, k, x;

    in >> N;

    for (i = 1; i <= N; i++)
    {
        for (j = 1; j <= N; j++)
        {
            in >> x;
            if (x || i == j)
                matr[i][j] = x;
            else
                matr[i][j] = infinit;
        }
    }

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

    for (i = 1; i <= N; i++)
    {
        for (j = 1; j <= N; j++)
        {
            if(matr[i][j] == infinit)
                out << "0 ";
            else
                out << matr[i][j] << " ";
        }
        out << '\n';
    }
    return 0;
}