#include <fstream>

using namespace std;

const int MAX = 105;

int c[MAX][MAX], n;

void citire()
{
    ifstream in("royfloyd.in");
    in>>n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            in>>c[i][j];
    in.close();
}

void solve()
{
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(i != j && c[i][k] && c[k][j] && (c[i][k] + c[k][j] < c[i][j] || !c[i][j]))
                    c[i][j] = c[i][k] + c[k][j];
}

void afisare()
{
    ofstream out("royfloyd.out");
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
            out<<c[i][j]<<" ";
        out<<'\n';
    }
    out.close();
}

int main()
{
    citire();
    solve();
    afisare();
    return 0;
}