#include <fstream>

using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

const int dim = 101;
int G[dim][dim];

int main()
{
    int n;
    cin >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            cin >> G[i][j];

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

    for (int i = 1; i <= n; ++i, cout << '\n')
        for (int j = 1; j <= n; ++j)
        cout << G[i][j] << ' ';

    return 0;
}