4 ms·
1) There's no real pre- or post- order to this graph, just an arbitrary number of traversal orders, and 2) caching the traversals is a different data structure
by throwawaykf05 12y ago
1) There's no real pre- or post- order to this graph, just an arbitrary number of traversal orders, and 2) caching the traversals is a different data structure that no longer infringes this patent.