#include <fstream>
using namespace std;

const int INF = 9999999;
int n, C[101][101];

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

void citire()
{
    f >> n;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            f >> C[i][j];
            if(i != j && C[i][j] == 0)
                C[i][j] = INF;
        }
    }
}

void Roy_Floyd()
{
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
            {
                if(C[i][k] + C[k][j] < C[i][j])
                    C[i][j] = C[i][k] + C[k][j];
            }
}

void afis()
{
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            if(C[i][j] == INF)
                g << "0 ";
            else
                g << C[i][j] << " ";
        }
        g << '\n';
    }
}

int main()
{
    citire();
    Roy_Floyd();
    afis();
    f.close();
    g.close();
    return 0;
}