 This problem was introduced by Funke, Krumpe, and Storandt IWOCA 2016 . We provide the first general subquadratic algorithm for computing the times and the order of disappearance.
<coherence>  This problem was introduced by Funke, Krumpe, and Storandt IWOCA 2016 . We provide the first general subquadratic algorithm for computing the times and the order of disappearance.
 IWOCA 2016 . We provide the first general subquadratic algorithm for computing the times and the order of disappearance.