#include<fstream>
using namespace std;
ifstream f("royfloid.in");
ofstream g("royfloid.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 rez()
{
	for (int k=1;k<=n;k++)
		for (int i=1;i<=n;i++)
			for (int j=1;j<=n;j++)
				if (a[k][j]&&a[i][k]&&(!a[i][j]||a[i][j]>a[i][k]+a[k][j])&&i!=j)
					a[i][j]=a[i][k]+a[k][j];
}
int main()
{
	citire();
	rez();
	for (int i=1;i<=n;i++)
	{
		for (int j=1;j<=n;j++)
			g<<a[i][j]<<' ';
		g<<"\n";
	}
	return 0;
}