Problems Category Binary Tree 100 Same Tree Dynamic Programming 62 - Unique Paths 63 - Unique Paths || 64 - Minimum Path Sum 1143 - Longest Common Subsequence 2304 - Minimum Path Cost in a Grid Greedy 2365 - Task Scheduler || 2402 - Meeting Rooms ||| Linked List 19 - Remove N'th Node From End of List 92 - Reverse Linked List || 141 - Linked List Cycle 142 - Linked List Cycle || 206 - Reverse Linked List 234 - Palindrome Linked List 876 - Middle of the Linked List 1669 - Merge in Between Linked List Sliding Window 2958 - Length of Longest Subarray With at most K Frequency 713 - Subarray Product Less than K 3097 - Shortest Subarray With OR at Least K II 992 - Subarrays with K Different Integers 2444 - Count Subarrays With Fixed Bounds