#include <fstream>
#include <vector>

using namespace std;

vector <vector <int> > a (105, vector <int> (105));
int n, m;

void Read ()
{
    ifstream fin ("royfloyd.in");
    int i, j;
    fin >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
            fin >> a[i][j];
}

void Roy_Floyd ()
{
    int i, j, k;
    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if (i != j && a[i][k] && a[k][j] &&
                    (a[i][j] > a[i][k] + a[k][j] || (!a[i][j])))
                        a[i][j] = a[i][k] + a[k][j];
    ofstream fout ("royfloyd.out");
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
            fout << a[i][j] << " ";
        fout << "\n";
    }
}

int main()
{
    Read();
    Roy_Floyd();
    return 0;
}