Updated markdown files

README.md

@@ -1,4 +1,4 @@
-# **[LeetCode Records](https://leetcode.com/u/Zanger/)** (502 solved)
+# **[LeetCode Records](https://leetcode.com/u/Zanger/)** (503 solved)
 
 <!-- This readme was generated using [WikiLeet](<https://github.com/Zanger67/WikiLeet>) -->
 
@@ -33,7 +33,7 @@ This repo is a collection of my LeetCode solutions, primarily written in Python,
 
 ------
 
-[Array](<markdowns/by_topic/Array.md>), [String](<markdowns/by_topic/String.md>), [Hash Table](<markdowns/by_topic/Hash Table.md>), [Depth-First Search](<markdowns/by_topic/Depth-First Search.md>), [Tree](<markdowns/by_topic/Tree.md>), [Binary Tree](<markdowns/by_topic/Binary Tree.md>), [Sorting](<markdowns/by_topic/Sorting.md>), [Math](<markdowns/by_topic/Math.md>), [Breadth-First Search](<markdowns/by_topic/Breadth-First Search.md>), [Two Pointers](<markdowns/by_topic/Two Pointers.md>), [Stack](<markdowns/by_topic/Stack.md>), [Matrix](<markdowns/by_topic/Matrix.md>), [Greedy](<markdowns/by_topic/Greedy.md>), [Dynamic Programming](<markdowns/by_topic/Dynamic Programming.md>), [Linked List](<markdowns/by_topic/Linked List.md>), [Simulation](<markdowns/by_topic/Simulation.md>), [Bit Manipulation](<markdowns/by_topic/Bit Manipulation.md>), [Design](<markdowns/by_topic/Design.md>), [Binary Search](<markdowns/by_topic/Binary Search.md>), [Counting](<markdowns/by_topic/Counting.md>), [Heap (Priority Queue)](<markdowns/by_topic/Heap (Priority Queue).md>), [Backtracking](<markdowns/by_topic/Backtracking.md>), [Database](<markdowns/by_topic/Database.md>), [Trie](<markdowns/by_topic/Trie.md>), [Recursion](<markdowns/by_topic/Recursion.md>), [Binary Search Tree](<markdowns/by_topic/Binary Search Tree.md>), [Sliding Window](<markdowns/by_topic/Sliding Window.md>), [Graph](<markdowns/by_topic/Graph.md>), [Prefix Sum](<markdowns/by_topic/Prefix Sum.md>), [Queue](<markdowns/by_topic/Queue.md>), [Monotonic Stack](<markdowns/by_topic/Monotonic Stack.md>), [Union Find](<markdowns/by_topic/Union Find.md>), [Divide and Conquer](<markdowns/by_topic/Divide and Conquer.md>), [String Matching](<markdowns/by_topic/String Matching.md>), [Hash Function](<markdowns/by_topic/Hash Function.md>), [Shortest Path](<markdowns/by_topic/Shortest Path.md>), [Game Theory](<markdowns/by_topic/Game Theory.md>), [Combinatorics](<markdowns/by_topic/Combinatorics.md>), [Rolling Hash](<markdowns/by_topic/Rolling Hash.md>), [Randomized](<markdowns/by_topic/Randomized.md>), [Bucket Sort](<markdowns/by_topic/Bucket Sort.md>), [Counting Sort](<markdowns/by_topic/Counting Sort.md>), [Data Stream](<markdowns/by_topic/Data Stream.md>), [Brainteaser](<markdowns/by_topic/Brainteaser.md>), [Memoization](<markdowns/by_topic/Memoization.md>), [Monotonic Queue](<markdowns/by_topic/Monotonic Queue.md>), [Suffix Array](<markdowns/by_topic/Suffix Array.md>), [Doubly-Linked List](<markdowns/by_topic/Doubly-Linked List.md>), [Iterator](<markdowns/by_topic/Iterator.md>), [Number Theory](<markdowns/by_topic/Number Theory.md>), [Geometry](<markdowns/by_topic/Geometry.md>), [Interactive](<markdowns/by_topic/Interactive.md>), [Bitmask](<markdowns/by_topic/Bitmask.md>), [Merge Sort](<markdowns/by_topic/Merge Sort.md>), [Topological Sort](<markdowns/by_topic/Topological Sort.md>), [Ordered Set](<markdowns/by_topic/Ordered Set.md>), [Quickselect](<markdowns/by_topic/Quickselect.md>), [Strongly Connected Component](<markdowns/by_topic/Strongly Connected Component.md>), [Probability and Statistics](<markdowns/by_topic/Probability and Statistics.md>), [Binary Indexed Tree](<markdowns/by_topic/Binary Indexed Tree.md>), [Segment Tree](<markdowns/by_topic/Segment Tree.md>), [Reservoir Sampling](<markdowns/by_topic/Reservoir Sampling.md>), [Radix Sort](<markdowns/by_topic/Radix Sort.md>)
+[Array](<markdowns/by_topic/Array.md>), [String](<markdowns/by_topic/String.md>), [Hash Table](<markdowns/by_topic/Hash Table.md>), [Depth-First Search](<markdowns/by_topic/Depth-First Search.md>), [Tree](<markdowns/by_topic/Tree.md>), [Binary Tree](<markdowns/by_topic/Binary Tree.md>), [Sorting](<markdowns/by_topic/Sorting.md>), [Math](<markdowns/by_topic/Math.md>), [Breadth-First Search](<markdowns/by_topic/Breadth-First Search.md>), [Two Pointers](<markdowns/by_topic/Two Pointers.md>), [Stack](<markdowns/by_topic/Stack.md>), [Matrix](<markdowns/by_topic/Matrix.md>), [Dynamic Programming](<markdowns/by_topic/Dynamic Programming.md>), [Greedy](<markdowns/by_topic/Greedy.md>), [Linked List](<markdowns/by_topic/Linked List.md>), [Simulation](<markdowns/by_topic/Simulation.md>), [Bit Manipulation](<markdowns/by_topic/Bit Manipulation.md>), [Design](<markdowns/by_topic/Design.md>), [Binary Search](<markdowns/by_topic/Binary Search.md>), [Counting](<markdowns/by_topic/Counting.md>), [Heap (Priority Queue)](<markdowns/by_topic/Heap (Priority Queue).md>), [Backtracking](<markdowns/by_topic/Backtracking.md>), [Database](<markdowns/by_topic/Database.md>), [Trie](<markdowns/by_topic/Trie.md>), [Recursion](<markdowns/by_topic/Recursion.md>), [Binary Search Tree](<markdowns/by_topic/Binary Search Tree.md>), [Sliding Window](<markdowns/by_topic/Sliding Window.md>), [Graph](<markdowns/by_topic/Graph.md>), [Prefix Sum](<markdowns/by_topic/Prefix Sum.md>), [Queue](<markdowns/by_topic/Queue.md>), [Monotonic Stack](<markdowns/by_topic/Monotonic Stack.md>), [Union Find](<markdowns/by_topic/Union Find.md>), [Divide and Conquer](<markdowns/by_topic/Divide and Conquer.md>), [String Matching](<markdowns/by_topic/String Matching.md>), [Hash Function](<markdowns/by_topic/Hash Function.md>), [Shortest Path](<markdowns/by_topic/Shortest Path.md>), [Game Theory](<markdowns/by_topic/Game Theory.md>), [Combinatorics](<markdowns/by_topic/Combinatorics.md>), [Rolling Hash](<markdowns/by_topic/Rolling Hash.md>), [Randomized](<markdowns/by_topic/Randomized.md>), [Bucket Sort](<markdowns/by_topic/Bucket Sort.md>), [Counting Sort](<markdowns/by_topic/Counting Sort.md>), [Data Stream](<markdowns/by_topic/Data Stream.md>), [Brainteaser](<markdowns/by_topic/Brainteaser.md>), [Memoization](<markdowns/by_topic/Memoization.md>), [Monotonic Queue](<markdowns/by_topic/Monotonic Queue.md>), [Suffix Array](<markdowns/by_topic/Suffix Array.md>), [Doubly-Linked List](<markdowns/by_topic/Doubly-Linked List.md>), [Iterator](<markdowns/by_topic/Iterator.md>), [Number Theory](<markdowns/by_topic/Number Theory.md>), [Geometry](<markdowns/by_topic/Geometry.md>), [Interactive](<markdowns/by_topic/Interactive.md>), [Bitmask](<markdowns/by_topic/Bitmask.md>), [Merge Sort](<markdowns/by_topic/Merge Sort.md>), [Topological Sort](<markdowns/by_topic/Topological Sort.md>), [Ordered Set](<markdowns/by_topic/Ordered Set.md>), [Quickselect](<markdowns/by_topic/Quickselect.md>), [Strongly Connected Component](<markdowns/by_topic/Strongly Connected Component.md>), [Probability and Statistics](<markdowns/by_topic/Probability and Statistics.md>), [Binary Indexed Tree](<markdowns/by_topic/Binary Indexed Tree.md>), [Segment Tree](<markdowns/by_topic/Segment Tree.md>), [Reservoir Sampling](<markdowns/by_topic/Reservoir Sampling.md>), [Radix Sort](<markdowns/by_topic/Radix Sort.md>)
 
 ------
 
@@ -216,6 +216,7 @@ This repo is a collection of my LeetCode solutions, primarily written in Python,
 |  645 | [Set Mismatch](<https://leetcode.com/problems/set-mismatch>)                                                                                                                               | Easy    |                | [solution](<markdowns/_645. Set Mismatch.md>)                                                                 | java, py                                    |
 |  647 | [Palindromic Substrings](<https://leetcode.com/problems/palindromic-substrings>)                                                                                                           | Medium  | B75, N150      | [solution](<markdowns/_647. Palindromic Substrings.md>)                                                       | py                                          |
 |  648 | [Replace Words](<https://leetcode.com/problems/replace-words>)                                                                                                                             | Medium  | Daily          | [solution](<markdowns/_648. Replace Words.md>)                                                                | java, py                                    |
+|  650 | [2 Keys Keyboard](<https://leetcode.com/problems/2-keys-keyboard>)                                                                                                                         | Medium  | Daily          | [solution](<markdowns/_650. 2 Keys Keyboard.md>)                                                              | py                                          |
 |  651 | [4 Keys Keyboard](<https://leetcode.com/problems/4-keys-keyboard>)                                                                                                                         | Medium  |                | [solution](<markdowns/_651. 4 Keys Keyboard.md>)                                                              | py                                          |
 |  653 | [Two Sum IV - Input is a BST](<https://leetcode.com/problems/two-sum-iv-input-is-a-bst>)                                                                                                   | Easy    |                | [solution](<markdowns/_653. Two Sum IV - Input is a BST.md>)                                                  | py                                          |
 |  654 | [Maximum Binary Tree](<https://leetcode.com/problems/maximum-binary-tree>)                                                                                                                 | Medium  |                | [solution](<markdowns/_654. Maximum Binary Tree.md>)                                                          | py                                          |

markdowns/Daily_Questions.md

@@ -6,6 +6,7 @@ Dates are for the date I completed the question so due to the my time zone and h
 
 |    # | Title                                                                                                                                                                                      | Level   | Cats        | Solution                                                                                            | Languages                    | Date Complete   |
 |-----:|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:--------|:------------|:----------------------------------------------------------------------------------------------------|:-----------------------------|:----------------|
+|  650 | [2 Keys Keyboard](<https://leetcode.com/problems/2-keys-keyboard>)                                                                                                                         | Medium  | Daily       | [solution](<_650. 2 Keys Keyboard.md>)                                                              | py                           | Aug 19, 2024    |
 |  624 | [Maximum Distance in Arrays](<https://leetcode.com/problems/maximum-distance-in-arrays>)                                                                                                   | Medium  | Daily       | [solution](<_624. Maximum Distance in Arrays.md>)                                                   | py                           | Aug 16, 2024    |
 |  860 | [Lemonade Change](<https://leetcode.com/problems/lemonade-change>)                                                                                                                         | Easy    | Daily       | [solution](<_860. Lemonade Change.md>)                                                              | py                           | Aug 15, 2024    |
 |  719 | [Find K-th Smallest Pair Distance](<https://leetcode.com/problems/find-k-th-smallest-pair-distance>)                                                                                       | Hard    | Daily       | [solution](<_719. Find K-th Smallest Pair Distance.md>)                                             | py                           | Aug 14, 2024    |

markdowns/Medium.md

@@ -1,4 +1,4 @@
-# Medium Questions (323)
+# Medium Questions (324)
 
 *[Back to top](<../README.md>)*
 
@@ -109,6 +109,7 @@
 |  624 | [Maximum Distance in Arrays](<https://leetcode.com/problems/maximum-distance-in-arrays>)                                                                                                   | Medium  | Daily          | [solution](<_624. Maximum Distance in Arrays.md>)                                                   | py                                          | Aug 16, 2024    |
 |  647 | [Palindromic Substrings](<https://leetcode.com/problems/palindromic-substrings>)                                                                                                           | Medium  | B75, N150      | [solution](<_647. Palindromic Substrings.md>)                                                       | py                                          | Jul 05, 2024    |
 |  648 | [Replace Words](<https://leetcode.com/problems/replace-words>)                                                                                                                             | Medium  | Daily          | [solution](<_648. Replace Words.md>)                                                                | java, py                                    | Jun 07, 2024    |
+|  650 | [2 Keys Keyboard](<https://leetcode.com/problems/2-keys-keyboard>)                                                                                                                         | Medium  | Daily          | [solution](<_650. 2 Keys Keyboard.md>)                                                              | py                                          | Aug 19, 2024    |
 |  651 | [4 Keys Keyboard](<https://leetcode.com/problems/4-keys-keyboard>)                                                                                                                         | Medium  |                | [solution](<_651. 4 Keys Keyboard.md>)                                                              | py                                          | May 29, 2024    |
 |  654 | [Maximum Binary Tree](<https://leetcode.com/problems/maximum-binary-tree>)                                                                                                                 | Medium  |                | [solution](<_654. Maximum Binary Tree.md>)                                                          | py                                          | Jun 12, 2024    |
 |  663 | [Equal Tree Partition](<https://leetcode.com/problems/equal-tree-partition>)                                                                                                               | Medium  |                | [solution](<_663. Equal Tree Partition.md>)                                                         | py                                          | Jun 17, 2024    |

markdowns/Questions_By_Code_Length.md

@@ -381,6 +381,7 @@ Calculations are based on the code files's byte sizes.
 | 3192 | [Minimum Operations to Make Binary Array Elements Equal to One II](<https://leetcode.com/problems/minimum-operations-to-make-binary-array-elements-equal-to-one-ii>)                       | Medium  |                | [solution](<_3192. Minimum Operations to Make Binary Array Elements Equal to One II.md>)            | java                                        | Jun 22, 2024    |
 | 1046 | [Last Stone Weight](<https://leetcode.com/problems/last-stone-weight>)                                                                                                                     | Easy    | N150           | [solution](<_1046. Last Stone Weight.md>)                                                           | py                                          | Jun 04, 2024    |
 | 1736 | [Latest Time by Replacing Hidden Digits](<https://leetcode.com/problems/latest-time-by-replacing-hidden-digits>)                                                                           | Easy    |                | [solution](<_1736. Latest Time by Replacing Hidden Digits.md>)                                      | c                                           | Jun 03, 2024    |
+|  650 | [2 Keys Keyboard](<https://leetcode.com/problems/2-keys-keyboard>)                                                                                                                         | Medium  | Daily          | [solution](<_650. 2 Keys Keyboard.md>)                                                              | py                                          | Aug 19, 2024    |
 |  260 | [Single Number III](<https://leetcode.com/problems/single-number-iii>)                                                                                                                     | Medium  |                | [solution](<_260. Single Number III.md>)                                                            | py                                          | Jun 08, 2024    |
 |  654 | [Maximum Binary Tree](<https://leetcode.com/problems/maximum-binary-tree>)                                                                                                                 | Medium  |                | [solution](<_654. Maximum Binary Tree.md>)                                                          | py                                          | Jun 12, 2024    |
 | 2942 | [Find Words Containing Character](<https://leetcode.com/problems/find-words-containing-character>)                                                                                         | Easy    |                | [solution](<_2942. Find Words Containing Character.md>)                                             | c                                           | Jun 06, 2024    |

markdowns/Questions_By_Recent.md

@@ -6,6 +6,7 @@ Calculations are based on the date of the first solve.
 
 |    # | Title                                                                                                                                                                                      | Level   | Cats           | Solution                                                                                            | Languages                                   | Date Complete   |
 |-----:|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:--------|:---------------|:----------------------------------------------------------------------------------------------------|:--------------------------------------------|:----------------|
+|  650 | [2 Keys Keyboard](<https://leetcode.com/problems/2-keys-keyboard>)                                                                                                                         | Medium  | Daily          | [solution](<_650. 2 Keys Keyboard.md>)                                                              | py                                          | Aug 19, 2024    |
 |  624 | [Maximum Distance in Arrays](<https://leetcode.com/problems/maximum-distance-in-arrays>)                                                                                                   | Medium  | Daily          | [solution](<_624. Maximum Distance in Arrays.md>)                                                   | py                                          | Aug 16, 2024    |
 |  860 | [Lemonade Change](<https://leetcode.com/problems/lemonade-change>)                                                                                                                         | Easy    | Daily          | [solution](<_860. Lemonade Change.md>)                                                              | py                                          | Aug 15, 2024    |
 |  719 | [Find K-th Smallest Pair Distance](<https://leetcode.com/problems/find-k-th-smallest-pair-distance>)                                                                                       | Hard    | Daily          | [solution](<_719. Find K-th Smallest Pair Distance.md>)                                             | py                                          | Aug 14, 2024    |