#include <iostream>
#include <fstream>
#include <climits>
#define VMAX 100

using namespace std;

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

int d[VMAX][VMAX];
int V, x, y, cost;

bool valid(int i, int j)
{
    if (i != j && d[i][j] == 0)
        return false;
    return true;
}

int main()
{
    fin >> V;

    for (int i = 0; i < V; ++i)
        for (int j = 0; j < V; ++j)
        fin >> d[i][j];

    for (int k = 0; k < V; ++k)
        for (int i = 0; i < V; ++i)
            for (int j = 0; j < V; ++j)
            if (i != j && d[i][k] && d[k][j] && (d[i][k] + d[k][j] < d[i][j] || !d[i][j]))
               d[i][j] = d[i][k] + d[k][j];

    for (int i = 0; i < V; ++i)
    {
        for (int j = 0; j < V; ++j)
            fout << d[i][j] << " ";
        fout << '\n';
    }

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