#include<fstream>
#include<algorithm>
using namespace std;

int a[101][101],b[101][101],i,j,k,n;

int main()
{
	ifstream f("royfloyd.in");
	ofstream g("royfloyd.out");
	f >> n;
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
		{
			f >> a[i][j];
			if ((a[i][j]==0) && (i!=j))
				a[i][j]=1 << 20;
		}				
	for (k=1;k<=n;k++)
	{
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
					b[i][j]=min(a[i][j],a[i][k]+a[k][j]);
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
					a[i][j]=b[i][j];
	}			
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			g << a[i][j] << ' ';
		g << "\n";
	}
	return 0;
}