#include<fstream>
using namespace std;

int n, rf[105][105];

int main()
{
    ifstream cin("royfloyd.in");
    ofstream cout("royfloyd.out");
    cin >> n;
    for (int i = 1; i <= n; i ++)
        for (int j = 1; j <= n; j ++)
            cin >> rf[i][j];
    for (int k = 1; k <= n; k ++)
        for (int i = 1; i <= n; i ++)
            for (int j = 1; j <= n; j ++)
                if ((rf[i][k] + rf[k][j] < rf[i][j] || !rf[i][j]) && rf[i][k] && rf[k][j] && i != j)
                    rf[i][j] = rf[i][k] + rf[k][j];
    for (int i = 1; i <= n; i ++)
    {
        for (int j = 1; j <= n; j ++)
            cout << rf[i][j] << " ";
        cout << endl;
    }
    return 0;
}