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Teaching Kids Programming: Videos on Data Structures and Algorithms You are given an integer array nums. The unique elements of an array are the elements that appear exactly once …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a string s containing brackets “(” and “)”, return the length of the longest subsequence of balanced brackets. Constraints …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given an array of strings words (0-indexed). In one operation, pick two distinct indices i and j, where …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a lists of non-negative integers nums. Sort the list in ascending order by the number of 1s …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a list of integers nums. Given that you can first reverse one sublist in nums, return whether …