#include <fstream>
using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

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

int main()
{	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 (i!=k && i!=j && k!=j && a[i][k] && a[k][j] && a[i][k]+a[k][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';
	}
    return 0;
}