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На шее Трампа заметили странное пятно во время выступления в Белом доме23:05
。关于这个话题，同城约会提供了深入分析
Дональд Трамп. Фото: www.capitalpictures.com / Global Look Press
The complexity of determining the minimum number of flips that transform one triangulation of a convex point set into another remained a tantalizing open question for many decades. We settle this question by proving that computing shortest flip sequences between triangulations of convex polygons, and therefore also computing the rotation distance of binary trees, is NP-hard.
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В США объяснили провал «Леопардов» на Украине02:03。业内人士推荐体育直播作为进阶阅读
Зеленскому стали чаще желать смерти02:42