#include <fstream>
#include <vector>
using namespace std;

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

int n, graf[105][105];

int main()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            fin >> graf[i][j];
            if (!graf[i][j] && i != j)
                graf[i][j] = 0x3f3f3f3;
        }
    }
    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                graf[i][j] = min(graf[i][j], graf[i][k] + graf[k][j]);
            }
        }
    }
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if (graf[i][j] == 0x3f3f3f3f)
                fout << "0 ";
            else
                fout << graf[i][j] << " ";
        }
        fout << "\n";
    }
    return 0;
}