#include <fstream>
using namespace std;
int n, a[101][101];
ifstream f("royfloyd.in"); ofstream g("royfloyd.out");
void citire()
{	f>>n; //scanf("%d",&n);
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= n; j++) f>>a[i][j]; //scanf("%d",&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 afis()
{	for (int i = 1; i <= n; i++) 
		{for (int j = 1; j <= n; j++) g<<a[i][j]<<' ';//printf("%d ",a[i][j]);
		 g<<'\n';//printf("\n");
		}
	g.close();
}
int main()
{citire(); roy_floyd(); afis(); return 0;}