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+# This list is from:
+# https://www.teamblind.com/post/New-Year-Gift---Curated-List-of-Top-100-LeetCode-Questions-to-Save-Your-Time-OaM1orEU
+* Array
+** DONE Two Sum - https://leetcode.com/problems/two-sum/
+** DONE Best Time to Buy and Sell Stock - https://leetcode.com/problems/best-time-to-buy-and-sell-stock/
+** DONE Contains Duplicate - https://leetcode.com/problems/contains-duplicate/
+** DONE Product of Array Except Self - https://leetcode.com/problems/product-of-array-except-self/
+** DONE Maximum Subarray - https://leetcode.com/problems/maximum-subarray/
+** DONE Maximum Product Subarray - https://leetcode.com/problems/maximum-product-subarray/
+** DONE Find Minimum in Rotated Sorted Array - https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/
+** DONE Search in Rotated Sorted Array - https://leetcode.com/problems/search-in-rotated-sorted-array/
+** DONE 3Sum - https://leetcode.com/problems/3sum/
+** DONE Container With Most Water - https://leetcode.com/problems/container-with-most-water/
+* Binary
+** TODO Sum of Two Integers - https://leetcode.com/problems/sum-of-two-integers/
+** TODO Number of 1 Bits - https://leetcode.com/problems/number-of-1-bits/
+** TODO Counting Bits - https://leetcode.com/problems/counting-bits/
+** TODO Missing Number - https://leetcode.com/problems/missing-number/
+** TODO Reverse Bits - https://leetcode.com/problems/reverse-bits/
+* Dynamic Programming
+** TODO Climbing Stairs - https://leetcode.com/problems/climbing-stairs/
+** TODO Coin Change - https://leetcode.com/problems/coin-change/
+** TODO Longest Increasing Subsequence - https://leetcode.com/problems/longest-increasing-subsequence/
+** TODO Longest Common Subsequence -
+** TODO Word Break Problem - https://leetcode.com/problems/word-break/
+** TODO Combination Sum - https://leetcode.com/problems/combination-sum-iv/
+** TODO House Robber - https://leetcode.com/problems/house-robber/
+** TODO House Robber II - https://leetcode.com/problems/house-robber-ii/
+** TODO Decode Ways - https://leetcode.com/problems/decode-ways/
+** TODO Unique Paths - https://leetcode.com/problems/unique-paths/
+** TODO Jump Game - https://leetcode.com/problems/jump-game/
+* Graph
+** TODO Clone Graph - https://leetcode.com/problems/clone-graph/
+** TODO Course Schedule - https://leetcode.com/problems/course-schedule/
+** TODO Pacific Atlantic Water Flow - https://leetcode.com/problems/pacific-atlantic-water-flow/
+** TODO Number of Islands - https://leetcode.com/problems/number-of-islands/
+** TODO Longest Consecutive Sequence - https://leetcode.com/problems/longest-consecutive-sequence/
+** TODO Alien Dictionary (Leetcode Premium) - https://leetcode.com/problems/alien-dictionary/
+** TODO Graph Valid Tree (Leetcode Premium) - https://leetcode.com/problems/graph-valid-tree/
+** TODO Number of Connected Components in an Undirected Graph (Leetcode Premium) - https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/
+* Interval
+** TODO Insert Interval - https://leetcode.com/problems/insert-interval/
+** TODO Merge Intervals - https://leetcode.com/problems/merge-intervals/
+** TODO Non-overlapping Intervals - https://leetcode.com/problems/non-overlapping-intervals/
+** TODO Meeting Rooms (Leetcode Premium) - https://leetcode.com/problems/meeting-rooms/
+** TODO Meeting Rooms II (Leetcode Premium) - https://leetcode.com/problems/meeting-rooms-ii/
+* Linked List
+** TODO Reverse a Linked List - https://leetcode.com/problems/reverse-linked-list/
+** TODO Detect Cycle in a Linked List - https://leetcode.com/problems/linked-list-cycle/
+** TODO Merge Two Sorted Lists - https://leetcode.com/problems/merge-two-sorted-lists/
+** TODO Merge K Sorted Lists - https://leetcode.com/problems/merge-k-sorted-lists/
+** TODO Remove Nth Node From End Of List - https://leetcode.com/problems/remove-nth-node-from-end-of-list/
+** TODO Reorder List - https://leetcode.com/problems/reorder-list/
+* Matrix
+** TODO Set Matrix Zeroes - https://leetcode.com/problems/set-matrix-zeroes/
+** TODO Spiral Matrix - https://leetcode.com/problems/spiral-matrix/
+** TODO Rotate Image - https://leetcode.com/problems/rotate-image/
+** TODO Word Search - https://leetcode.com/problems/word-search/
+* String
+** TODO Longest Substring Without Repeating Characters - https://leetcode.com/problems/longest-substring-without-repeating-characters/
+** TODO Longest Repeating Character Replacement - https://leetcode.com/problems/longest-repeating-character-replacement/
+** TODO Minimum Window Substring - https://leetcode.com/problems/minimum-window-substring/
+** TODO Valid Anagram - https://leetcode.com/problems/valid-anagram/
+** TODO Group Anagrams - https://leetcode.com/problems/group-anagrams/
+** TODO Valid Parentheses - https://leetcode.com/problems/valid-parentheses/
+** TODO Valid Palindrome - https://leetcode.com/problems/valid-palindrome/
+** TODO Longest Palindromic Substring - https://leetcode.com/problems/longest-palindromic-substring/
+** TODO Palindromic Substrings - https://leetcode.com/problems/palindromic-substrings/
+** TODO Encode and Decode Strings (Leetcode Premium) - https://leetcode.com/problems/encode-and-decode-strings/
+* Tree
+** TODO Maximum Depth of Binary Tree - https://leetcode.com/problems/maximum-depth-of-binary-tree/
+** TODO Same Tree - https://leetcode.com/problems/same-tree/
+** TODO Invert/Flip Binary Tree - https://leetcode.com/problems/invert-binary-tree/
+** TODO Binary Tree Maximum Path Sum - https://leetcode.com/problems/binary-tree-maximum-path-sum/
+** TODO Binary Tree Level Order Traversal - https://leetcode.com/problems/binary-tree-level-order-traversal/
+** TODO Serialize and Deserialize Binary Tree - https://leetcode.com/problems/serialize-and-deserialize-binary-tree/
+** TODO Subtree of Another Tree - https://leetcode.com/problems/subtree-of-another-tree/
+** TODO Construct Binary Tree from Preorder and Inorder Traversal - https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/
+** TODO Validate Binary Search Tree - https://leetcode.com/problems/validate-binary-search-tree/
+** TODO Kth Smallest Element in a BST - https://leetcode.com/problems/kth-smallest-element-in-a-bst/
+** TODO Lowest Common Ancestor of BST - https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/
+** TODO Implement Trie (Prefix Tree) - https://leetcode.com/problems/implement-trie-prefix-tree/
+** TODO Add and Search Word - https://leetcode.com/problems/add-and-search-word-data-structure-design/
+** TODO Word Search II - https://leetcode.com/problems/word-search-ii/
+* Heap
+** DONE Merge K Sorted Lists - https://leetcode.com/problems/merge-k-sorted-lists/
+** DONE Top K Frequent Elements - https://leetcode.com/problems/top-k-frequent-elements/
+** DONE Find Median from Data Stream - https://leetcode.com/problems/find-median-from-data-stream/