#include <fstream>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

static constexpr int NMAX = (int)(1e2 + 1);

int n, d[NMAX][NMAX];

static inline int my_min(int a, int b)
{
    return ((a < b) ? a : b);
}

int main()
{
    f >> n;

    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            f >> d[i][j];

    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            if (i != j)
                for (int k = 1; k <= n; ++k)
                    if (k != i && k != j)
                        if (d[i][k] && d[k][j])
                        {
                            if (!d[i][j])
                                d[i][j] = d[i][k] + d[k][j];
                            else
                                d[i][j] = my_min(d[i][j], d[i][k] + d[k][j]);
                        }

    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            g << d[i][j];

            if (j != n)
                g << ' ';
        }

        g << '\n';
    }

    return 0;
}