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bzoj 2653 (chairman tree + two points) - Katastros
Web[BZOJ]2653: middle. Solution: God ..... God question. Seeking median -> Interval k-th largest -> Chairman of the tree well into a dead end because no way the difference between the sections. WebJul 9, 2011 · BZOJ 2653 middle (Persistent line segment tree + median + line segment tree to maintain the maximum sub-sequence sum) Title: The left end point is at [a,b], the right end point is at [c,d], find the maximum value of the median (rounded up) in this line segment Ideas: To discretize the array, build a persistent line s... Luogu Median P1168 the weed by amrita pritam analysis
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