#include <fstream>

using namespace std;

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

const int dim = 1001;
int G[dim][dim];

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

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

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

    return 0;
}