#include <iostream>
#include <fstream>

using namespace std;

int N, w[101][101], i, j, k;

void royFloyd ()
{

    for(k = 1; k <= N; k++)
        for(i = 1; i <= N; i++)
            for(j = 1; j <= N; j++)
                if ((w[i][j] > w[i][k] + w[k][j] || !w[i][j]) && i!=j && w[i][k] && w[k][j])
                    w[i][j] = w[i][k] + w[k][j];
}

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

    in >> N;

    for(i = 1; i <= N; i++)
        for(j = 1; j <= N; j++)
            in >> w[i][j];

    royFloyd();

    for(i = 1; i <= N; i++)
    {
        for(j = 1; j <= N; j++)
            out << w[i][j] << " ";
        out << "\n";
    }


    return 0;
}