#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, i, j, k, mat[101][101];
int main()
{
    fin >> n;
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
        {
            fin >> mat[i][j];
            if (mat[i][j] == 0 && i != j) mat[i][j] = 2e8;
        }
    }
    for (k = 1; k <= n; k++)
    {
        for (i = 1; i <= n; i++)
        {
            for (j = 1; j <= n; j++)
            {
                if (mat[i][j] > mat[i][k] + mat[k][j])
                    mat[i][j] = mat[i][k] + mat[k][j];
            }
        }
    }
    for (i = 1; i <= n; i++, fout << '\n')
        for (j = 1; j <= n; j++)
            fout << mat[i][j] << " ";
}