#include <fstream>
using namespace std;
int main()
{
	int n, i, j, k, a[100][100];
	fstream f("royfloyd.in", ios::in);
	fstream g("royfloyd.out", ios::in);
	f >> n;
	for (i = 1; i <= n;i++)
	for (j = 1; j <= n; j++)
		f >> a[i][j];
	for (k = 1; k <= n;k++)
	for (i = 1; i <= n;i++)
	for (j = 1; j <= n;j++)
	if (a[i][k] != 0 && a[k][j]!=0&&i!=j)
	if (a[i][k] + a[k][j] < a[i][j] || a[i][j] == 0)
		a[i][j] = a[i][k] + a[k][j];
	for (i = 1; i <= n; i++)
	{
		for (j = 1; j <= n; j++)
			g << a[i][j] << " ";
		g << endl;
	}
	return 0;
}