#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");


const int NMAX = 101, INF = 1e6;

int n, p[NMAX][NMAX];

int main()
{
    in >> n;
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {   
            in >> p[i][j];
            if (i != j && p[i][j] == 0)
                p[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 (p[i][j] > p[i][k] + p[k][j])
                    p[i][j] = p[i][k] + p[k][j];

    for (int i = 1; i <= n; ++i, out << '\n')
    {
        for (int j = 1; j <= n; ++j)
        {
            if (i != j && p[i][j] == INF)
                p[i][j] = 0;
            out << p[i][j] << ' ';
        }
    }
    return 0;
}