#include <fstream>
using namespace std;

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

int m[101][101];

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