#include <fstream.h>

int main ()
{
	ifstream f ("royfloyd.in");
	ofstream g ("royfloyd.out");
	
	int n,a[101][101],i,j,k;
	
	f>>n;
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++) f>>a[i][j];
	
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if ( a[i][k] && a[k][j] && (i!=j) && ( (a[i][k]+a[k][j]<a[i][j]) || !a[i][j] ) ) a[i][j]=a[i][k]+a[k][j];
	
	
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++) g<<a[i][j]<<" ";
		g<<'\n';
	}
	g.close();
	return 0;
}