Choosing pivot in Quicksort
🔍 How to Choose a Pivot in Quick Sort
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Jump Game II
You are given a 0-indexed array of integers nums of length n. You are initially positioned at nums[0].
Generate Parentheses
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
Longest Palindromic Substring
Given a string s, return the longest palindromic substring in s.