#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int i, j, k, n, w[101][101];
int main ()
{
    f >> n;
    for(i = 1; i <= n; ++ i)
        for(j = 1; j <= n; ++ j)
        {
            f >> w[i][j];
        }
    /// MinDist(i, j, 0) = w[i][j]
    /// MinDist(i, j, k + 1) = min( MinDist(i, j, k), MinDist(i, k + 1, k) + MinDist(k + 1, j, k) )
    for(k = 1; k <= n; ++ k)
        /// cea mai mica distanta intre nodurile i si j folosind k muchii
        for(i = 1; i <= n; ++ i)
            for(j = 1; j <= n; ++ j)
                /// nodurile trebuie sa fie distincte
                /// sa existe muchie intre (i, k) si (k, j) pentru a se putea actualiza drumul minim
                /// sa se incerce gasirea unui drum in cazul in care nu exista drum direct (i, j)
                if( i != j && w[i][k] && w[k][j] && (w[i][k] + w[k][j] < w[i][j] || !w[i][j]) )
                    w[i][j] = w[i][k] + w[k][j];
    for(i = 1; i <= n; ++ i)
    {
        for(j = 1; j <= n; ++ j)
            g << w[i][j] << " ";
        g << "\n";
    }
    return 0;
}