#include <fstream>

#define NMAX 100
#define INF 1001

using namespace std;

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

int n, dist[NMAX + 1][NMAX + 1];

int main()
{
    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] = INF;
        }
    for(int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (dist[i][j] > dist[i][k] + dist[k][j])
                    dist[i][j] = dist[i][k] + dist[k][j];
    for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++)
                fout << dist[i][j] << ' ';
        fout << '\n';
    }
    return 0;
}