3 ms·
As the commentators on the website mentioned, this method does not preserve the closeness of the points (when going from 2D to 1D), so it is unclear how can it
by leitasat 9y ago
As the commentators on the website mentioned, this method does not preserve the closeness of the points (when going from 2D to 1D), so it is unclear how can it help the author.
- mmalone 9y agoTrue, but it is much better at preserving closeness than the alternative he mentioned (lexicographical sort).