#include<fstream>
using namespace std;
ifstream f1 ("royfloyd.in");
ofstream f2 ("royfloyd.out");
int n, a[110][110];
int main()
{
	f1>>n;
	int i,j,k;
	for (i=1; i<=n; i++) 
		for (j=1; j<=n; j++) f1>>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] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
			a[i][j] = a[i][k] + a[k][j];
	for (i=1; i<=n; i++)
	{
		for (j=1; j<=n; j++)
			f2<<a[i][j]<<" ";
		f2<<"\n";
	}
	return 0;
}