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

int a[101][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][0];
			if ((a[i][j][0]==0) && (i!=j))
				a[i][j][0]=1 << 20;
		}				
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
					a[i][j][k]=min(a[i][j][k-1],a[i][k][k-1]+a[k][j][k-1]);
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			g << a[i][j][n] << ' ';
		g << "\n";
	}
	return 0;
}