#define INF 0x3f3f3f3f

#include <fstream>
using namespace std;

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

int n, G[101][101];

int main()
{
    fin >> n;

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

            if ((i != j) && (G[i][j] == 0))
            {
                G[i][j] = INF;
            }
        }
    }

    for (int k = 1; k <= n; ++k)
    {
        for (int i = 1; i <= n; ++i)
        {
            for (int j = 1; j <= n; ++j)
            {
                if (G[i][j] > (G[i][k] + G[k][j]))
                {
                    G[i][j] = G[i][k] + G[k][j];
                }
            }
        }
    }

    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            fout << G[i][j] << ' ';
        }
        fout << '\n';
    }

    fin.close();
    fout.close();
    return 0;
}