#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n, a[105][105];
const int oo = 1e4;
void citire()
{
	f >> n;
	for(int i = 1; i <= n; i++)
		for(int j = 1; j <= n; j++)
			f >> a[i][j];
}
void roy_floyd()
{
	for(int k = 1; k <= n; k++)
		for(int i = 1; i <=n; i++)
			for(int j = 1; j <=n ; j++)
				if(a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
					a[i][j] = a[i][k] + a[k][j];
}
void afisare()
{
	for(int i = 1; i <= n; i++)
	{
		for(int j = 1; j <= n; j++)
	 		g << a[i][j] << " ";
		g << "\n";
	}
}
int main()
{
	citire();
	roy_floyd();
	afisare();
}