#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    ifstream in("royfloyd.in");
    ofstream out("royfloyd.out");

    int n;
    int** a;
    in >> n;

    a = new int*[n];
    for (int i = 0; i < n; i++)
        a[i] = new int[n];

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
            in >> a[i][j];
    }

    for (int k = 0; k < n; k++)
        for (int i = 0; i < n; i++)
            for (int j = 0; 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];

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
            out << a[i][j] << " ";
        out << "\n";
    }
    return 0;
}