#include <fstream>

using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
const int N = 101, INF = 1e6;
int d[N][N], n;
int main()
{
    fin >> n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
            fin >> d[i][j];
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
            if (i != j && d[i][j] == 0)
                d[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 (d[i][k] + d[k][j] < d[i][j])
                {
                    d[i][j] = d[i][k] + d[k][j];
                    //pred[i][j] = pred[k][j]; pemtru reconstituirea drumului
                }
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
            fout << d[i][j] << " ";
        fout << endl;
    }

    return 0;
}