Problem Index
=============

All problems from the Blind 75, Grind 75, Grind 169, NeetCode 150, Amazon Top 50, and Google Top 50 lists.
Problems marked 🔒 require a LeetCode Premium subscription.

Use the dropdowns to filter by pattern, list, or status.

.. list-table::
   :header-rows: 1
   :class: sphinx-datatable coverage-datatable
   :widths: auto

   * - Problem
     - Lists
     - Status
   * - :doc:`Two Sum <generated/TwoSum>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - `Contains Duplicate <https://leetcode.com/problems/contains-duplicate/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Valid Anagram <generated/ValidAnagram>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Ransom Note <generated/RansomNote>`
     - Grind 75, Grind 169
     - ✅ Covered
   * - :doc:`Majority Element <generated/MajorityElement>`
     - Grind 75, Grind 169
     - ✅ Covered
   * - `Longest Palindrome <https://leetcode.com/problems/longest-palindrome/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `Group Anagrams <https://leetcode.com/problems/group-anagrams/>`__
     - Blind 75, Grind 169, NeetCode 150, Amazon Top 50
     - ⬜ Missing
   * - `Top K Frequent Elements <https://leetcode.com/problems/top-k-frequent-elements/>`__
     - Blind 75, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - :doc:`Product of Array Except Self <generated/ProductOfArrayExceptSelf>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Encode and Decode Strings <https://leetcode.com/problems/encode-and-decode-strings/>`__
     - Blind 75, Grind 169, NeetCode 150
     - 🔒 Premium
   * - `Longest Consecutive Sequence <https://leetcode.com/problems/longest-consecutive-sequence/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Valid Sudoku <generated/ValidSudoku>`
     - Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Valid Palindrome <generated/ValidPalindrome>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`3Sum <generated/ThreeSum>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - :doc:`Container With Most Water <generated/ContainerWithMostWater>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Sort Colors <https://leetcode.com/problems/sort-colors/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - :doc:`Two Sum II <generated/TwoSumII>`
     - NeetCode 150
     - ✅ Covered
   * - `Trapping Rain Water <https://leetcode.com/problems/trapping-rain-water/>`__
     - Grind 75, Grind 169, NeetCode 150, Amazon Top 50, Google Top 50
     - ⬜ Missing
   * - :doc:`Best Time to Buy and Sell Stock <generated/BestTimeToBuyAndSellStock>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - :doc:`Longest Substring Without Repeating Characters <generated/LengthOfLongestSubstring>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - `Find All Anagrams in a String <https://leetcode.com/problems/find-all-anagrams-in-a-string/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `Longest Repeating Character Replacement <https://leetcode.com/problems/longest-repeating-character-replacement/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Minimum Window Substring <https://leetcode.com/problems/minimum-window-substring/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Permutation in String <https://leetcode.com/problems/permutation-in-string/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Sliding Window Maximum <https://leetcode.com/problems/sliding-window-maximum/>`__
     - Grind 169, NeetCode 150, Amazon Top 50
     - ⬜ Missing
   * - :doc:`Valid Parentheses <generated/ValidParentheses>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Implement Queue using Stacks <https://leetcode.com/problems/implement-queue-using-stacks/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `Min Stack <https://leetcode.com/problems/min-stack/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Evaluate Reverse Polish Notation <https://leetcode.com/problems/evaluate-reverse-polish-notation/>`__
     - Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - `Basic Calculator <https://leetcode.com/problems/basic-calculator/>`__
     - Grind 75, Grind 169, Google Top 50
     - ⬜ Missing
   * - :doc:`Generate Parentheses <generated/GenerateParentheses>`
     - Grind 169, NeetCode 150
     - ✅ Covered
   * - `Daily Temperatures <https://leetcode.com/problems/daily-temperatures/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Car Fleet <https://leetcode.com/problems/car-fleet/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Largest Rectangle in Histogram <https://leetcode.com/problems/largest-rectangle-in-histogram/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Binary Search <https://leetcode.com/problems/binary-search/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `First Bad Version <https://leetcode.com/problems/first-bad-version/>`__
     - Grind 75, Grind 169, Google Top 50
     - ⬜ Missing
   * - `Find Minimum in Rotated Sorted Array <https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Search in Rotated Sorted Array <generated/SearchInRotatedArray>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Search a 2D Matrix <https://leetcode.com/problems/search-a-2d-matrix/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Koko Eating Bananas <https://leetcode.com/problems/koko-eating-bananas/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Time Based Key-Value Store <https://leetcode.com/problems/time-based-key-value-store/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Median of Two Sorted Arrays <https://leetcode.com/problems/median-of-two-sorted-arrays/>`__
     - Grind 169, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - :doc:`Reverse Linked List <generated/ReverseLinkedList>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Merge Two Sorted Lists <generated/MergeTwoSortedLists>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Middle of the Linked List <https://leetcode.com/problems/middle-of-the-linked-list/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `Reorder List <https://leetcode.com/problems/reorder-list/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Remove Nth Node From End of List <generated/RemoveNthNodeFromEndOfList>`
     - Blind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Merge K Sorted Lists <generated/MergeKSortedLists>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - :doc:`Linked List Cycle <generated/LinkedListCycle>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Add Two Numbers <generated/AddTwoNumbers>`
     - Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - `Copy List With Random Pointer <https://leetcode.com/problems/copy-list-with-random-pointer/>`__
     - NeetCode 150, Amazon Top 50
     - ⬜ Missing
   * - `Find the Duplicate Number <https://leetcode.com/problems/find-the-duplicate-number/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`LRU Cache <generated/LRUCache>`
     - Grind 75, Grind 169, NeetCode 150, Amazon Top 50, Google Top 50
     - ✅ Covered
   * - `Reverse Nodes in K Group <https://leetcode.com/problems/reverse-nodes-in-k-group/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Invert Binary Tree <generated/InvertBinaryTree>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Maximum Depth of Binary Tree <generated/MaximumDepthOfBinaryTree>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Diameter of Binary Tree <https://leetcode.com/problems/diameter-of-binary-tree/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Balanced Binary Tree <https://leetcode.com/problems/balanced-binary-tree/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Same Tree <generated/SameTree>`
     - Blind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Subtree of Another Tree <https://leetcode.com/problems/subtree-of-another-tree/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Lowest Common Ancestor of a BST <https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Lowest Common Ancestor of Binary Tree <https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - :doc:`Binary Tree Level Order Traversal <generated/BinaryTreeLevelOrderTraversal>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Binary Tree Right Side View <https://leetcode.com/problems/binary-tree-right-side-view/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Validate Binary Search Tree <https://leetcode.com/problems/validate-binary-search-tree/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Kth Smallest Element in a BST <https://leetcode.com/problems/kth-smallest-element-in-a-bst/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Construct Binary Tree from Preorder and Inorder Traversal <generated/ConstructBinaryTreeFromPreorderAndInorderTraversal>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Binary Tree Maximum Path Sum <https://leetcode.com/problems/binary-tree-maximum-path-sum/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Serialize and Deserialize Binary Tree <https://leetcode.com/problems/serialize-and-deserialize-binary-tree/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Count Good Nodes in Binary Tree <https://leetcode.com/problems/count-good-nodes-in-binary-tree/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Implement Trie (Prefix Tree) <https://leetcode.com/problems/implement-trie-prefix-tree/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - `Design Add and Search Words <https://leetcode.com/problems/design-add-and-search-words-data-structure/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Word Search II <https://leetcode.com/problems/word-search-ii/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Find Median from Data Stream <https://leetcode.com/problems/find-median-from-data-stream/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Amazon Top 50
     - ⬜ Missing
   * - `K Closest Points to Origin <https://leetcode.com/problems/k-closest-points-to-origin/>`__
     - Grind 75, Grind 169, NeetCode 150, Amazon Top 50
     - ⬜ Missing
   * - `Task Scheduler <https://leetcode.com/problems/task-scheduler/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Kth Largest Element in a Stream <https://leetcode.com/problems/kth-largest-element-in-a-stream/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Last Stone Weight <https://leetcode.com/problems/last-stone-weight/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Kth Largest Element in an Array <https://leetcode.com/problems/kth-largest-element-in-an-array/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Design Twitter <https://leetcode.com/problems/design-twitter/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Combination Sum <https://leetcode.com/problems/combination-sum/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Word Search <https://leetcode.com/problems/word-search/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Subsets <generated/Subsets>`
     - Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Permutations <generated/Permutations>`
     - Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Letter Combinations of a Phone Number <generated/LetterCombinationsOfAPhoneNumber>`
     - Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Subsets II <https://leetcode.com/problems/subsets-ii/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Combination Sum II <https://leetcode.com/problems/combination-sum-ii/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Palindrome Partitioning <https://leetcode.com/problems/palindrome-partitioning/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `N-Queens <https://leetcode.com/problems/n-queens/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Number of Islands <https://leetcode.com/problems/number-of-islands/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Amazon Top 50, Google Top 50
     - ⬜ Missing
   * - `Flood Fill <https://leetcode.com/problems/flood-fill/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `01 Matrix <https://leetcode.com/problems/01-matrix/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `Clone Graph <https://leetcode.com/problems/clone-graph/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Rotting Oranges <https://leetcode.com/problems/rotting-oranges/>`__
     - Grind 75, Grind 169, NeetCode 150, Amazon Top 50
     - ⬜ Missing
   * - `Accounts Merge <https://leetcode.com/problems/accounts-merge/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `Minimum Height Trees <https://leetcode.com/problems/minimum-height-trees/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `Pacific Atlantic Water Flow <https://leetcode.com/problems/pacific-atlantic-water-flow/>`__
     - Blind 75, Grind 169, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - `Course Schedule <https://leetcode.com/problems/course-schedule/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Amazon Top 50
     - ⬜ Missing
   * - `Graph Valid Tree <https://leetcode.com/problems/graph-valid-tree/>`__
     - Blind 75, Grind 169, NeetCode 150
     - 🔒 Premium
   * - `Number of Connected Components <https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/>`__
     - Blind 75, Grind 169, NeetCode 150
     - 🔒 Premium
   * - `Max Area of Island <https://leetcode.com/problems/max-area-of-island/>`__
     - NeetCode 150, Google Top 50
     - ⬜ Missing
   * - `Surrounded Regions <https://leetcode.com/problems/surrounded-regions/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Walls and Gates <https://leetcode.com/problems/walls-and-gates/>`__
     - NeetCode 150
     - 🔒 Premium
   * - `Course Schedule II <https://leetcode.com/problems/course-schedule-ii/>`__
     - Grind 169, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - `Redundant Connection <https://leetcode.com/problems/redundant-connection/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Word Ladder <https://leetcode.com/problems/word-ladder/>`__
     - Grind 75, Grind 169, NeetCode 150, Amazon Top 50
     - ⬜ Missing
   * - `Alien Dictionary <https://leetcode.com/problems/alien-dictionary/>`__
     - Blind 75, Grind 169, NeetCode 150
     - 🔒 Premium
   * - `Reconstruct Itinerary <https://leetcode.com/problems/reconstruct-itinerary/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Min Cost to Connect All Points <https://leetcode.com/problems/min-cost-to-connect-all-points/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Network Delay Time <https://leetcode.com/problems/network-delay-time/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Swim in Rising Water <https://leetcode.com/problems/swim-in-rising-water/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Cheapest Flights Within K Stops <https://leetcode.com/problems/cheapest-flights-within-k-stops/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Climbing Stairs <generated/ClimbingStairs>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `House Robber <https://leetcode.com/problems/house-robber/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `House Robber II <https://leetcode.com/problems/house-robber-ii/>`__
     - Blind 75, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - :doc:`Longest Palindromic Substring <generated/LongestPalindromicSubstring>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - `Decode Ways <https://leetcode.com/problems/decode-ways/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Coin Change <https://leetcode.com/problems/coin-change/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Maximum Product Subarray <https://leetcode.com/problems/maximum-product-subarray/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Word Break <https://leetcode.com/problems/word-break/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Longest Increasing Subsequence <https://leetcode.com/problems/longest-increasing-subsequence/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Palindromic Substrings <https://leetcode.com/problems/palindromic-substrings/>`__
     - Blind 75, NeetCode 150
     - ⬜ Missing
   * - `Min Cost Climbing Stairs <https://leetcode.com/problems/min-cost-climbing-stairs/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Partition Equal Subset Sum <https://leetcode.com/problems/partition-equal-subset-sum/>`__
     - Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Unique Paths <https://leetcode.com/problems/unique-paths/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - `Longest Common Subsequence <https://leetcode.com/problems/longest-common-subsequence/>`__
     - Blind 75, NeetCode 150
     - ⬜ Missing
   * - `Maximum Profit in Job Scheduling <https://leetcode.com/problems/maximum-profit-in-job-scheduling/>`__
     - Grind 75, Grind 169
     - ⬜ Missing
   * - `Regular Expression Matching <https://leetcode.com/problems/regular-expression-matching/>`__
     - NeetCode 150, Google Top 50
     - ⬜ Missing
   * - `Best Time to Buy and Sell Stock with Cooldown <https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Coin Change II <https://leetcode.com/problems/coin-change-2/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Target Sum <https://leetcode.com/problems/target-sum/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Interleaving String <https://leetcode.com/problems/interleaving-string/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Longest Increasing Path in a Matrix <https://leetcode.com/problems/longest-increasing-path-in-a-matrix/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Distinct Subsequences <https://leetcode.com/problems/distinct-subsequences/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Edit Distance <https://leetcode.com/problems/edit-distance/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Burst Balloons <https://leetcode.com/problems/burst-balloons/>`__
     - NeetCode 150
     - ⬜ Missing
   * - :doc:`Maximum Subarray <generated/MaximumSubarray>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - :doc:`Jump Game <generated/JumpGame>`
     - Blind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Gas Station <generated/GasStation>`
     - Grind 169, NeetCode 150
     - ✅ Covered
   * - `Jump Game II <https://leetcode.com/problems/jump-game-ii/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Hand of Straights <https://leetcode.com/problems/hand-of-straights/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Merge Triplets to Form Target Triplet <https://leetcode.com/problems/merge-triplets-to-form-target-triplet/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Partition Labels <https://leetcode.com/problems/partition-labels/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Valid Parenthesis String <https://leetcode.com/problems/valid-parenthesis-string/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Insert Interval <https://leetcode.com/problems/insert-interval/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ⬜ Missing
   * - :doc:`Merge Intervals <generated/MergeIntervals>`
     - Blind 75, Grind 75, Grind 169, NeetCode 150, Google Top 50
     - ✅ Covered
   * - `Non-overlapping Intervals <https://leetcode.com/problems/non-overlapping-intervals/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Meeting Rooms <https://leetcode.com/problems/meeting-rooms/>`__
     - Blind 75, Grind 169, NeetCode 150
     - 🔒 Premium
   * - `Meeting Rooms II <https://leetcode.com/problems/meeting-rooms-ii/>`__
     - Blind 75, Grind 169, NeetCode 150, Amazon Top 50, Google Top 50
     - 🔒 Premium
   * - `Minimum Interval to Include Each Query <https://leetcode.com/problems/minimum-interval-to-include-each-query/>`__
     - NeetCode 150
     - ⬜ Missing
   * - :doc:`Rotate Image <generated/RotateImage>`
     - Blind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Spiral Matrix <https://leetcode.com/problems/spiral-matrix/>`__
     - Blind 75, Grind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Set Matrix Zeroes <generated/SetMatrixZeroes>`
     - Blind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - :doc:`Add Binary <generated/AddBinary>`
     - Grind 75, Grind 169
     - ✅ Covered
   * - :doc:`String to Integer (atoi) <generated/StringToInteger>`
     - Grind 75, Grind 169
     - ✅ Covered
   * - :doc:`Happy Number <generated/HappyNumber>`
     - NeetCode 150, Google Top 50
     - ✅ Covered
   * - `Plus One <https://leetcode.com/problems/plus-one/>`__
     - NeetCode 150
     - ⬜ Missing
   * - :doc:`Pow(x, n) <generated/Pow>`
     - Grind 169, NeetCode 150
     - ✅ Covered
   * - `Multiply Strings <https://leetcode.com/problems/multiply-strings/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Detect Squares <https://leetcode.com/problems/detect-squares/>`__
     - NeetCode 150
     - ⬜ Missing
   * - `Sum of Two Integers <https://leetcode.com/problems/sum-of-two-integers/>`__
     - Blind 75, NeetCode 150
     - ⬜ Missing
   * - `Number of 1 Bits <https://leetcode.com/problems/number-of-1-bits/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Counting Bits <https://leetcode.com/problems/counting-bits/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - `Reverse Bits <https://leetcode.com/problems/reverse-bits/>`__
     - Blind 75, Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Missing Number <generated/MissingNumber>`
     - Blind 75, Grind 169, NeetCode 150
     - ✅ Covered
   * - `Single Number <https://leetcode.com/problems/single-number/>`__
     - Grind 169, NeetCode 150
     - ⬜ Missing
   * - :doc:`Reverse Integer <generated/ReverseInteger>`
     - Grind 169, NeetCode 150
     - ✅ Covered
   * - `Move Zeroes <https://leetcode.com/problems/move-zeroes/>`__
     - Grind 169
     - ⬜ Missing
   * - `Squares of a Sorted Array <https://leetcode.com/problems/squares-of-a-sorted-array/>`__
     - Grind 169
     - ⬜ Missing
   * - `Rotate Array <https://leetcode.com/problems/rotate-array/>`__
     - Grind 169
     - ⬜ Missing
   * - `Contiguous Array <https://leetcode.com/problems/contiguous-array/>`__
     - Grind 169
     - ⬜ Missing
   * - `Subarray Sum Equals K <https://leetcode.com/problems/subarray-sum-equals-k/>`__
     - Grind 169, Google Top 50
     - ⬜ Missing
   * - `3Sum Closest <https://leetcode.com/problems/3sum-closest/>`__
     - Grind 169
     - ⬜ Missing
   * - `Maximal Square <https://leetcode.com/problems/maximal-square/>`__
     - Grind 169
     - ⬜ Missing
   * - `Combination Sum IV <https://leetcode.com/problems/combination-sum-iv/>`__
     - Grind 169
     - ⬜ Missing
   * - `Shortest Path to Get Food <https://leetcode.com/problems/shortest-path-to-get-food/>`__
     - Grind 169
     - 🔒 Premium
   * - `Minimum Knight Moves <https://leetcode.com/problems/minimum-knight-moves/>`__
     - Grind 169
     - 🔒 Premium
   * - `Bus Routes <https://leetcode.com/problems/bus-routes/>`__
     - Grind 169
     - ⬜ Missing
   * - `Employee Free Time <https://leetcode.com/problems/employee-free-time/>`__
     - Grind 169
     - 🔒 Premium
   * - :doc:`Palindrome Linked List <generated/PalindromeLinkedList>`
     - Grind 169
     - ✅ Covered
   * - `Swap Nodes in Pairs <https://leetcode.com/problems/swap-nodes-in-pairs/>`__
     - Grind 169
     - ⬜ Missing
   * - `Odd Even Linked List <https://leetcode.com/problems/odd-even-linked-list/>`__
     - Grind 169
     - ⬜ Missing
   * - :doc:`Sort List <generated/SortList>`
     - Grind 169
     - ✅ Covered
   * - `Rotate List <https://leetcode.com/problems/rotate-list/>`__
     - Grind 169
     - ⬜ Missing
   * - `Sudoku Solver <https://leetcode.com/problems/sudoku-solver/>`__
     - Grind 169
     - ⬜ Missing
   * - `Backspace String Compare <https://leetcode.com/problems/backspace-string-compare/>`__
     - Grind 169
     - ⬜ Missing
   * - `Decode String <https://leetcode.com/problems/decode-string/>`__
     - Grind 169, Google Top 50
     - ⬜ Missing
   * - `Asteroid Collision <https://leetcode.com/problems/asteroid-collision/>`__
     - Grind 169
     - ⬜ Missing
   * - `Basic Calculator II <https://leetcode.com/problems/basic-calculator-ii/>`__
     - Grind 169
     - ⬜ Missing
   * - `Maximum Frequency Stack <https://leetcode.com/problems/maximum-frequency-stack/>`__
     - Grind 169
     - ⬜ Missing
   * - `Longest Valid Parentheses <https://leetcode.com/problems/longest-valid-parentheses/>`__
     - Grind 169
     - ⬜ Missing
   * - :doc:`Longest Common Prefix <generated/LongestCommonPrefix>`
     - Grind 169, Google Top 50
     - ✅ Covered
   * - `Largest Number <https://leetcode.com/problems/largest-number/>`__
     - Grind 169
     - ⬜ Missing
   * - `Palindrome Pairs <https://leetcode.com/problems/palindrome-pairs/>`__
     - Grind 169
     - ⬜ Missing
   * - :doc:`Convert Sorted Array to Binary Search Tree <generated/ConvertSortedArrayToBST>`
     - Grind 169
     - ✅ Covered
   * - :doc:`Symmetric Tree <generated/SymmetricTree>`
     - Grind 169
     - ✅ Covered
   * - `Path Sum II <https://leetcode.com/problems/path-sum-ii/>`__
     - Grind 169
     - ⬜ Missing
   * - `Maximum Width of Binary Tree <https://leetcode.com/problems/maximum-width-of-binary-tree/>`__
     - Grind 169
     - ⬜ Missing
   * - :doc:`Binary Tree Zigzag Level Order Traversal <generated/BinaryTreeZigzagLevelOrderTraversal>`
     - Grind 169
     - ✅ Covered
   * - `Path Sum III <https://leetcode.com/problems/path-sum-iii/>`__
     - Grind 169
     - ⬜ Missing
   * - `All Nodes Distance K in Binary Tree <https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree/>`__
     - Grind 169, Amazon Top 50
     - ⬜ Missing
   * - `Inorder Successor in BST <https://leetcode.com/problems/inorder-successor-in-bst/>`__
     - Grind 169
     - 🔒 Premium
   * - `Design Hit Counter <https://leetcode.com/problems/design-hit-counter/>`__
     - Grind 169
     - 🔒 Premium
   * - `Design In-Memory File System <https://leetcode.com/problems/design-in-memory-file-system/>`__
     - Grind 169, Amazon Top 50
     - 🔒 Premium
   * - :doc:`Insert Delete GetRandom O(1) <generated/InsertDeleteGetRandomO1>`
     - Grind 169
     - ✅ Covered
   * - `First Missing Positive <https://leetcode.com/problems/first-missing-positive/>`__
     - Grind 169
     - ⬜ Missing
   * - `Top K Frequent Words <https://leetcode.com/problems/top-k-frequent-words/>`__
     - Grind 169
     - ⬜ Missing
   * - `Find K Closest Elements <https://leetcode.com/problems/find-k-closest-elements/>`__
     - Grind 169
     - ⬜ Missing
   * - `Smallest Range Covering Elements from K Lists <https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists/>`__
     - Grind 169
     - ⬜ Missing
   * - `Next Permutation <https://leetcode.com/problems/next-permutation/>`__
     - Grind 169
     - ⬜ Missing
   * - :doc:`Roman to Integer <generated/RomanToInteger>`
     - Grind 169, Google Top 50
     - ✅ Covered
   * - :doc:`Palindrome Number <generated/PalindromeNumber>`
     - Grind 169, Google Top 50
     - ✅ Covered
   * - `Random Pick with Weight <https://leetcode.com/problems/random-pick-with-weight/>`__
     - Grind 169, Google Top 50
     - ⬜ Missing
   * - :doc:`Integer to Roman <generated/IntegerToRoman>`
     - 
     - ✅ Covered
   * - :doc:`Find the Index of the First Occurrence in a String <generated/FindTheIndexOfTheFirstOccurrenceInAString>`
     - 
     - ✅ Covered
   * - `Compare Version Numbers <https://leetcode.com/problems/compare-version-numbers/>`__
     - 
     - ⬜ Missing
   * - `Integer to English Words <https://leetcode.com/problems/integer-to-english-words/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - :doc:`First Unique Character in a String <generated/FirstUniqueCharacterInAString>`
     - 
     - ✅ Covered
   * - `Most Common Word <https://leetcode.com/problems/most-common-word/>`__
     - 
     - ⬜ Missing
   * - `Reorder Data in Log Files <https://leetcode.com/problems/reorder-data-in-log-files/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Word Ladder II <https://leetcode.com/problems/word-ladder-ii/>`__
     - 
     - ⬜ Missing
   * - `Cut Off Trees for Golf Event <https://leetcode.com/problems/cut-off-trees-for-golf-event/>`__
     - 
     - ⬜ Missing
   * - `Design Tic-Tac-Toe <https://leetcode.com/problems/design-tic-tac-toe/>`__
     - Amazon Top 50
     - 🔒 Premium
   * - `Design Search Autocomplete System <https://leetcode.com/problems/design-search-autocomplete-system/>`__
     - Google Top 50
     - 🔒 Premium
   * - `Prison Cells After N Days <https://leetcode.com/problems/prison-cells-after-n-days/>`__
     - 
     - ⬜ Missing
   * - `Battleships in a Board <https://leetcode.com/problems/battleships-in-a-board/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Bulls and Cows <https://leetcode.com/problems/bulls-and-cows/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Find Duplicate Subtrees <https://leetcode.com/problems/find-duplicate-subtrees/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Find Leaves of Binary Tree <https://leetcode.com/problems/find-leaves-of-binary-tree/>`__
     - Google Top 50
     - 🔒 Premium
   * - `Find Original Array From Doubled Array <https://leetcode.com/problems/find-original-array-from-doubled-array/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Find Winner on a Tic Tac Toe Game <https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game/>`__
     - Google Top 50
     - ⬜ Missing
   * - :doc:`H-Index <generated/HIndex>`
     - Google Top 50
     - ✅ Covered
   * - `Logger Rate Limiter <https://leetcode.com/problems/logger-rate-limiter/>`__
     - Google Top 50
     - 🔒 Premium
   * - `Maximum Points You Can Obtain from Cards <https://leetcode.com/problems/maximum-points-you-can-obtain-from-cards/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Minimum Time Difference <https://leetcode.com/problems/minimum-time-difference/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Number of Matching Subsequences <https://leetcode.com/problems/number-of-matching-subsequences/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Snapshot Array <https://leetcode.com/problems/snapshot-array/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Stock Price Fluctuation <https://leetcode.com/problems/stock-price-fluctuation/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Student Attendance Record II <https://leetcode.com/problems/student-attendance-record-ii/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Text Justification <https://leetcode.com/problems/text-justification/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Time Needed to Inform All Employees <https://leetcode.com/problems/time-needed-to-inform-all-employees/>`__
     - Google Top 50
     - ⬜ Missing
   * - `Analyze User Website Visit Pattern <https://leetcode.com/problems/analyze-user-website-visit-pattern/>`__
     - Amazon Top 50
     - 🔒 Premium
   * - `Boundary of Binary Tree <https://leetcode.com/problems/boundary-of-binary-tree/>`__
     - Amazon Top 50
     - 🔒 Premium
   * - `Build Binary Expression Tree From Infix Expression <https://leetcode.com/problems/build-binary-expression-tree-from-infix-expression/>`__
     - Amazon Top 50
     - 🔒 Premium
   * - `Concatenated Words <https://leetcode.com/problems/concatenated-words/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Count Unique Characters of All Substrings of a Given String <https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Design an Expression Tree With Evaluate Function <https://leetcode.com/problems/design-an-expression-tree-with-evaluate-function/>`__
     - Amazon Top 50
     - 🔒 Premium
   * - `Design Parking System <https://leetcode.com/problems/design-parking-system/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Find Good Days to Rob the Bank <https://leetcode.com/problems/find-good-days-to-rob-the-bank/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Find K-th Smallest Pair Distance <https://leetcode.com/problems/find-k-th-smallest-pair-distance/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Find the K-Sum of an Array <https://leetcode.com/problems/find-the-k-sum-of-an-array/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Find Triangular Sum of an Array <https://leetcode.com/problems/find-triangular-sum-of-an-array/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Make Array Zero by Subtracting Equal Amounts <https://leetcode.com/problems/make-array-zero-by-subtracting-equal-amounts/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Maximum Length of Subarray With Positive Product <https://leetcode.com/problems/maximum-length-of-subarray-with-positive-product/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Maximum Number of Books You Can Take <https://leetcode.com/problems/maximum-number-of-books-you-can-take/>`__
     - Amazon Top 50
     - 🔒 Premium
   * - `Maximum Number of Robots Within Budget <https://leetcode.com/problems/maximum-number-of-robots-within-budget/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Maximum Units on a Truck <https://leetcode.com/problems/maximum-units-on-a-truck/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Minimum Adjacent Swaps to Make a Valid Array <https://leetcode.com/problems/minimum-adjacent-swaps-to-make-a-valid-array/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Minimum Health to Beat Game <https://leetcode.com/problems/minimum-health-to-beat-game/>`__
     - Amazon Top 50
     - 🔒 Premium
   * - `Minimum Number of Keypresses <https://leetcode.com/problems/minimum-number-of-keypresses/>`__
     - Amazon Top 50
     - 🔒 Premium
   * - `Minimum Number of Moves to Make Palindrome <https://leetcode.com/problems/minimum-number-of-moves-to-make-palindrome/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Minimum Number of Swaps to Make the Binary String Alternating <https://leetcode.com/problems/minimum-number-of-swaps-to-make-the-binary-string-alternating/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Number of Ways to Select Buildings <https://leetcode.com/problems/number-of-ways-to-select-buildings/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Plates Between Candles <https://leetcode.com/problems/plates-between-candles/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Race Car <https://leetcode.com/problems/race-car/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Reorganize String <https://leetcode.com/problems/reorganize-string/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Search Suggestions System <https://leetcode.com/problems/search-suggestions-system/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Sequential Digits <https://leetcode.com/problems/sequential-digits/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Sequentially Ordinal Rank Tracker <https://leetcode.com/problems/sequentially-ordinal-rank-tracker/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Substring With Largest Variance <https://leetcode.com/problems/substring-with-largest-variance/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Sum of Subarray Ranges <https://leetcode.com/problems/sum-of-subarray-ranges/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Sum of Total Strength of Wizards <https://leetcode.com/problems/sum-of-total-strength-of-wizards/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Total Appeal of A String <https://leetcode.com/problems/total-appeal-of-a-string/>`__
     - Amazon Top 50
     - ⬜ Missing
   * - `Word Break II <https://leetcode.com/problems/word-break-ii/>`__
     - Amazon Top 50
     - ⬜ Missing