#include <fstream>
#define NMAX 110
#define INF 100000000

using namespace std;

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

int n, D[NMAX][NMAX];

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