#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int N, V[110][110];

int main()
{
    fin >> N;
    for (int i = 1; i <= N; i++) {
        for (int j = 1; j <= N; j++) {
            fin >> V[i][j];
        }
    }

    for (int i = 1; i <= N; i++)
    {
        for (int j = 1; j <= N; j++)
        {
            if (i != j)
            {
                for (int k = 1; k <= N; k++)
                {
                    if (V[i][k] && V[k][j] && (V[i][k] + V[k][j] < V[i][j] || !V[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++) {
            fout << V[i][j] << ' ';
        }
        fout << '\n';
    }

    fout.close();
    return 0;
}