#include <fstream>
#define oo 100000
using namespace std;

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

int a[101][101], n;

void wfl()
{
    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                if (i != j)
                    if (a[i][k] && a[k][j])
                        a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
            }
        }
    }
}

int main()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
        {
            fin >> a[i][j];
            if (a[i][j] == 0) a[i][j] = oo;
        }

    wfl();
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if (a[i][j] != oo)
                fout << a[i][j] << ' ';
            else
                fout << 0 << ' ';
        }
        fout << '\n';
    }
    return 0;
}