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

ifstream fin("roy-floyd.in");
ofstream fout("roy-floyd.out");

const int MAXN = 109, MAAX = 1003000987;

int dist[MAXN][MAXN], N;

void citire()
{
    fin >> N;
    for (int i = 1; i <= N; ++i)
        for (int j = 1; j <= N; ++j)
        {
            fin >> dist[i][j];
            if ( dist[i][j] == 0 && i != j )
                dist[i][j] = MAAX;
        }
}

void update()
{
    for (int k = 1; k <= N; ++k)
        for (int i = 1; i <= N; ++i)
            for (int j = 1; j <= N; ++j)
                if ( dist[i][k] + dist[k][j] < dist[i][j] )
                    dist[i][j] = dist[i][k] + dist[k][j];
}

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

int main ()
{
    citire();
    update();
    afisare();

    fin.close();
    fout.close();

    return 0;
}