Sliding Window Template Merge Sorted Array Valid Palindrome Remove Element Remove Duplicates from Sorted Array Remove Duplicates from Sorted Array II Remove All Adjacent Duplicates In String Squares of a Sorted Array Count Vowel Substrings of a String Removing Stars From a String Count Number of Nice Subarrays Subarrays with K Different Integers Binary Subarrays With Sum Minimum Size Subarray Sum Replace the Substring for Balanced String Increasing Triplet Subsequence Two Sum II - Input Array Is Sorted 3Sum 3Sum Closest 4Sum Trapping Rain Water Largest Rectangle in Histogram Container With Most Water Longest Substring Without Repeating Characters Longest Repeating Character Replacement Find the Longest Equal Subarray Length of Longest Subarray With at Most K Frequency Permutation in String Find All Anagrams in a String Minimum Window Substring Count Complete Subarrays in an Array Maximum Beauty of an Array After Applying Operation Fruit Into Baskets Subarray Product Less Than K Sequential Digits Frequency of the Most Frequent Element Max Consecutive Ones III Get Equal Substrings Within Budget Number of Subsequences That Satisfy the Given Sum Condition Count Subarrays Where Max Element Appears at Least K Times Longest Subarray of 1’s After Deleting One Element Maximum Erasure Value Maximize the Confusion of an Exam Number of Substrings Containing All Three Characters Count Subarrays With Fixed Bounds Minimum Number of Operations to Make Array Continuous Maximum Score of a Good Subarray Move Zeroes Find the Duplicate Number Sort Colors