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K closest Points to Origin

December 2, 2024 · 7 min · array · coordinate-geometry · divide-and-conquer · geometry · heap · heap-priority-queue · leetcode · math · maths · quickselect · sorting

Evaluate Boolean Binary Tree

May 16, 2024 · 2 min · array · binary-search · binary-tree · bt-binary-tree · combinatorics · counting · database · depth-first-search · design · divide-and-conquer · dynamic-programming · greedy · hash-table · heap-priority-queue · leetcode · math · monotonic-stack · number-theory · ordered-set · quickselect · radix-sort · sorting · stack · string · tree · two-pointers · union-find · video

Kth Largest Element in an Array

July 3, 2023 · 3 min · array · array-algo · divide-and-conquer · heap-priority-queue · heap/max · heap/min · k-smallest-largest · kth · leetcode · quickselect · sorting

Kth Smallest Element Using Randomized Selection

May 5, 2023 · 3 min · array · array-algo · k-smallest-largest · quickselect · kth · randomized-algo · quickselect

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