#include <fstream>

using namespace std;

ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");

int a[101][101], n, i, j, k, x, y;

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

    for (k=1; k<=n; k++)
        for (i=1; i<=n; i++)
            for (j=1; j<=n; j++)
        if(a[i][k] !=0 && a[k][j] != 0 && (a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0) && i != j)
            a[i][j] = a[i][k] + a[k][j];

        for(i=1; i<=n; i++)
        {
            for(j=1; j<=n; j++)
                fout << a[i][j] << " ";
                fout << "\n";
        }
    return 0;
}