#include <fstream>
using namespace std;

int v[110][110];

int main()
{
	ifstream in("royfloyd.in");
	int n;
	in >> n;
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= n; j++)
			in >> v[i][j];

	for (int k = 1; k <= n; k++)
		for (int i = 1; i <= n; i++)
			for (int j = 1; j <= n; j++)
				if (v[j][i] > v[j][k] + v[k][i])
					v[j][i] = v[j][k] + v[k][i];

				
	ofstream out("royfloyd.out");
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= n; j++)
			out << v[i][j] << " \n"[j == n];
	in.close();
	out.close();
	return 0;
}