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    Very old comment above, but it is incorrect. StackOverflow does allow you to answer your own question (even when you ask your question). Answering the question yourself after somebody already posted the same solution is however considered rude. Commented May 19, 2014 at 18:37
  • This function failed 560 of its 14603 tests between 1980 and 2020. Commented Nov 9, 2017 at 21:43