#include <fstream>
#define INF 9999999
using namespace std;

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

int n, d[101][101];

int main()
{
    auto m = [](int a, int b){return (a < b ? a : b);};
    f >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
        {
            f >> d[i][j];
            if (d[i][j] == 0 && i != j)
                d[i][j] = INF;
        }
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                d[i][j] = m(d[i][j], d[i][k] + d[k][j]);
    for (int i = 1; i <= n; i++, g << "\n")
        for (int j = 1; j <= n; g << (d[i][j] >= INF ? 0 : d[i][j++]) << " ");
    return 0;
}