Published onJune 12, 2022[LeetCode 39] Combination SumBacktrackingGiven an array of **distinct** integers `candidates` and a target integer `target`, return a list of all **unique combinations** of `candidates` where the chosen numbers sum to `target`.
Published onJune 11, 2022[LeetCode 424] Longest Repeating Character ReplacementTwoPointersYou are given a string `s` and an integer `k`.
Published onJune 10, 2022[LeetCode 143] Reorder ListLinkedListYou are given the head of a singly linked-list.
Published onJune 9, 2022[LeetCode 347] Top K Frequent ElementsHashGiven an integer array `nums` and an integer `k`, return the `k` most frequent elements.
Published onJune 8, 2022苏秦以连横说秦战国策苏秦 (1) 始将连横,说秦惠王 (2) 曰:“大王之国,西有巴蜀汉中 (3) 之利,北有胡貉代马 (4) 之用,南有巫山黔中之限 (5) ,东有肴函 (6) 之固。