#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

int a[101][101];
int main()
{
    int n, i, j, k;
    in >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
        {
            in >> a[i][j];
            if (a[i][j] == 0 && i != j)
                a[i][j] = INFINITY;
        }
    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if (a[i][k] + a[k][j] < a[i][j])
                    a[i][j] = a[i][k] + a[k][j];
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
            out << a[i][j] << " ";
        out << "\n";
    }
    return 0;
}