#include <fstream>
using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");
short n, v[101][101];
int main()
{
    f >> n;
    for (int i=1; i<=n; ++i)
        for (int j=1; j<=n; ++j)
            f >> v[i][j];

    for (int k=1; k<=n; ++k)
        for (int i=1; i<=n; ++i)
            for (int j=1; j<=n; ++j)
                if (v[i][k] && v[k][j] && (v[i][j] > v[i][k] + v[k][j] || !v[i][j]) && i != j)
                    v[i][j] = v[i][k] + v[k][j];

    for (int i=1; i<=n; ++i)
    {
        for (int j=1; j<=n; ++j)
            g << v[i][j] << " ";
        g << "\n";
    }

    return 0;
}