#include <iostream>
#include <fstream>

using namespace std;

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

const int nMax = 100 + 5;

int n;

int a[nMax][nMax];

void Royfloyd()
{
    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || (!a[i][j] && i != j)))
                {
                    a[i][j] = a[i][k] + a[k][j];
                }
            }
        }
    }
}

int main()
{
    fin >> n;

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            fin >> a[i][j];
        }
    }

    Royfloyd();

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            fout << a[i][j] << ' ';
        }
        fout << '\n';
    }

    fin.close();
    fout.close();
    return 0;
}