#include <fstream>

using namespace std;

int d[102][102];

int main()
{
    ifstream in("royfloyd.in");
    ofstream out("royfloyd.out");

    int n;
    in >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            in >> d[i][j];

    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
        {
            if (d[i][k] == 0)
                continue;
            for (int j = 1; j <= n; j++)
                if (d[k][j] != 0 && i != j)
                    if (d[i][k] + d[k][j] < d[i][j] || d[i][j] == 0)
                        d[i][j] = d[i][k] + d[k][j];
        }


    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            out << d[i][j] << ' ';
        out << '\n';
    }
    return 0;
}