#include <iostream>
#include <istream>
using namespace std;
int m[101][101], n;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int main()
{
	in >> n;

	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= n; j++)
			in >> m[i][j];

	for (int k = 1; k <= n; k++)
		for (int i = 1; i <= n; i++)
			for (int j = 0; j <= n; j++)
				if ((m[i][j] == 0 || m[i][j] > m[i][k] + m[k][j]) && m[i][k] && m[i][k] && m[k][j] && i != j)
					m[i][j] = m[i][k] + m[k][j];

	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= n; j++)
			out << m[i][j] << " ";

		out << '\n';
	}

	return 0;
}