#include <fstream>
#define INF 100010

using namespace std;

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

int n, A[110][110], i, j, k;

int main()
{
    fin >> n;
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
        {
            fin >> A[i][j];
            if (!A[i][j] && i != j)
                A[i][j] = INF;
        }
    }
    for (k = 1; k <= n; k++)
    {
        for (i = 1; i <= n; i++)
        {
            for (j = 1; j <= n; j++)
            {
                if (A[i][j] > A[i][k] + A[j][k])
                    A[i][j] = A[i][k] + A[j][k];
            }
        }
    }
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
        {
            if (A[i][j] < INF)
                fout << A[i][j] << ' ';
            else
                fout << "0 ";
        }
        fout << '\n';
    }
    fout.close();
    return 0;
}