#include <fstream>

using namespace std;

int dist[101][101], n;

void read()
{
    ifstream fin("royfloyd.in");

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

    fin.close();
}

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

void write()
{
    ofstream fout("royfloyd.out");

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

    fout.close();
}

int main()
{
    read();
    royfloyd();
    write();
    return 0;
}