#include <fstream>
using namespace std;

ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");

int n, a[101][101];

void citire()
{
	f>>n;
	for (int i=1; i<=n; ++i)
		for (int j=1; j<=n; ++j)
			f>>a[i][j];
}

void rw()
{
	for (int k=1; k<=n; ++k)
		for (int i=1; i<=n; ++i)
			for (int j=1; j<=n; ++j)
				if (i!=j && a[i][k] && a[k][j] && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0))
					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();
	rw();
	afisare();
	return 0;
}