2015-07-31 10:40:53 -0600 | received badge | ● Notable Question (source) |

2015-07-31 10:40:53 -0600 | received badge | ● Popular Question (source) |

2015-04-03 09:09:37 -0600 | asked a question | bug in the pq-trees library ? For the following PQ-tree named pqtree: The command set_contiguous(4) gives: Observe that the subset including 4 are not necessarily contiguous in this PQ-tree! Repeating the command gives: Now it is OK, but we need to repeat twice the command. |

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