Programming Learning Website

■	Leetcode # 494. Target Sum	2024/12/26
■	Leetcode # 515. Find Largest Value in Each Tree Row	2024/12/25
■	Leetcode # 2940. Find Building Where Alice and Bob Can Meet	2024/12/22
■	Leetcode # 2415. Reverse Odd Levels of Binary Tree	2024/12/20
■	Leetcode # 2037. Minimum Number of Moves to Seat Everyone	2024/12/19
■	Leetcode # 769. ⭐ Max Chunks To Make Sorted	2024/12/19
■	Leetcode # 1475. Final Prices With a Special Discount in a Shop	2024/12/18
■	Leetcode # 2182. Construct String With Repeat Limit	2024/12/17
■	Leetcode # 3264. Final Array State After K Multiplication Operations I	2024/12/16
■	Leetcode # 1792. Maximum Average Pass Ratio	2024/12/15
■	Leetcode # 2593. Find Score of an Array After Marking All Elements	2024/12/13
■	Leetcode # 2558. Take Gifts From the Richest Pile	2024/12/12
■	Leetcode # 2779. ⭐️ Maximum Beauty of an Array After Applying Operation	2024/12/12
■	Leetcode # 2981. Find Longest Special Substring That Occurs Thrice I	2024/12/11
■	Leetcode # 2054. Two Best Non-Overlapping Events	2024/12/08
■	Leetcode # 2554. Maximum Number of Integers to Choose From a Range I	2024/12/06
■	Leetcode # 2337. Move Pieces to Obtain a String	2024/12/06
■	Leetcode # 2825. Make String a Subsequence Using Cyclic Increments	2024/12/05
■	Leetcode # 2109. Adding Spaces to a String	2024/12/05
■	Leetcode # 1122. Relative Sort Array	2024/06/11
■	Leetcode # 1051. Height Checker	2024/06/10
■	Leetcode # 3110. Score of a String	2024/06/09
■	Leetcode # 1940. Longest Common Subsequence Between Sorted Arrays	2024/06/09
■	Leetcode # 2083. Substrings That Begin and End With the Same Letter	2024/06/08
■	Leetcode # 523. Continuous Subarray Sum	2024/06/08
■	Leetcode # 270. Closest Binary Search Tree Value	2024/04/21
■	Leetcode # 103. Binary Tree Zigzag Level Order Traversal	2024/04/21
■	Leetcode # 1302. Deepest Leaves Sum	2024/04/20
■	Leetcode # 543. Diameter of Binary Tree	2024/04/20
■	Leetcode # 1026. Maximum Difference Between Node and Ancestor	2024/04/20
■	Leetcode # 111. Minimum Depth of Binary Tree	2024/04/20
■	Leetcode # 2867. Count Valid Paths in a Tree	2023/10/04
■	Leetcode # 2875. Minimum Size Subarray in Infinite Array	2023/10/01
■	Leetcode # 2874. ⭐️ Maximum Value of an Ordered Triplet II	2023/10/01
■	Leetcode # 2873. Maximum Value of an Ordered Triplet I	2023/10/01
■	Leetcode # 2876. Count Visited Nodes in a Directed Graph	2023/10/01
■	Leetcode # 2870. Minimum Number of Operations to Make Array Empty	2023/10/01
■	Leetcode # 2869. Minimum Operations to Collect Elements	2023/10/01
■	Leetcode # 2861. Maximum Number of Alloys	2023/09/19
■	Leetcode # 2862. Maximum Element-Sum of a Complete Subset of Indices	2023/09/19
■	Leetcode # 2860. Happy Students	2023/09/19
■	Leetcode # 2859. Sum of Values at Indices With K Set Bits	2023/09/19
■	Leetcode # 2856. Minimum Array Length After Pair Removals	2023/09/17
■	Leetcode # 1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree	2023/09/11
■	Leetcode # 1483. ⭐️ Kth Ancestor of a Tree Node	2023/09/11
■	Leetcode # 2846. Minimum Edge Weight Equilibrium Queries in a Tree	2023/09/10
■	Leetcode # 2845. Count of Interesting Subarrays	2023/09/10
■	Leetcode # 974. ⭐️ Subarray Sums Divisible by K	2023/09/10
■	Leetcode # 2850. Minimum Moves to Spread Stones Over Grid	2023/09/10
■	Leetcode # 2848. Points That Intersect With Cars	2023/09/10
■	Leetcode # 56. ⭐️ Merge Intervals	2023/09/10
■	Leetcode # 2844. Minimum Operations to Make a Special Number	2023/09/10
■	Leetcode # 2843. Count Symmetric Integers	2023/09/10
■	Leetcode # 567. Permutation in String	2023/09/10
■	Leetcode # 1493. Longest Subarray of 1’s After Deleting One Element	2023/09/09
■	Leetcode # 2024. Maximize the Confusion of an Exam	2023/09/07
■	Leetcode # 1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold	2023/09/07
■	Leetcode # 632. Smallest Range Covering Elements from K Lists	2023/09/06
■	Leetcode # 2444. Count Subarrays With Fixed Bounds	2023/09/05
■	Leetcode # 487. Max Consecutive Ones II	2023/08/29
■	Leetcode # 1004. Max Consecutive Ones III	2023/08/29
■	Leetcode # 485. Max Consecutive Ones	2023/08/29
■	Leetcode # 1183. Maximum Number of Ones	2023/08/29
■	Leetcode # 2483. Minimum Penalty for a Shop	2023/08/29
■	Leetcode # 643. Maximum Average Subarray I	2023/08/28
■	Leetcode # 97. Interleaving String	2023/08/25
■	Leetcode # 723. Candy Crush	2023/08/24
■	Leetcode # 68. Text Justification	2023/08/24
■	Leetcode # 344. Reverse String	2023/08/24
■	Leetcode # 767. Reorganize String	2023/08/23
■	Leetcode # 168. Excel Sheet Column Title	2023/08/23
■	Leetcode # 204. Count Primes	2023/08/22
■	Leetcode # 1335. Minimum Difficulty of a Job Schedule	2023/08/18
■	Leetcode # 1615. Maximal Network Rank	2023/08/18
■	Leetcode # 1909. Remove One Element to Make the Array Strictly Increasing	2023/08/17
■	Leetcode # 239. ⭐️ Sliding Window Maximum	2023/08/16
■	Leetcode # 86. Partition List	2023/08/15
■	Leetcode # 490. The Maze	2023/08/15
■	Leetcode # 215. Kth Largest Element in an Array	2023/08/14
■	Leetcode # 2369. Check if There is a Valid Partition For The Array	2023/08/14
■	Leetcode # 2818. Apply Operations to Maximize Score	2023/08/13
■	Leetcode # 2812. Find the Safest Path in a Grid	2023/08/12
■	Leetcode # 518. Coin Change II	2023/08/11
■	Leetcode # 221. Maximal Square	2023/08/10
■	Leetcode # 81. Search in Rotated Sorted Array II	2023/08/10
■	Leetcode # 2616. Minimize the Maximum Difference of Pairs	2023/08/10
■	Leetcode # 271. Encode and Decode Strings	2023/08/09
■	Leetcode # 1143. Longest Common Subsequence	2023/08/08
■	Leetcode # 1770. Maximum Score from Performing Multiplication Operations	2023/08/08
■	Leetcode # 213. House Robber II	2023/08/08
■	Leetcode # 740. Delete and Earn	2023/08/08
■	Leetcode # 1137. N-th Tribonacci Number	2023/08/08
■	Leetcode # 2808. Minimum Seconds to Equalize a Circular Array	2023/08/06
■	Leetcode # 1145. Binary Tree Coloring Game	2023/08/05
■	Leetcode # 79. Perfect Squares	2023/08/05
■	Leetcode # 438. Find All Anagrams in a String	2023/08/05
■	Leetcode # 139. Word Break	2023/08/04
■	Leetcode # 209. Minimum Size Subarray Sum	2023/08/04
■	Leetcode # 80. Remove Duplicates from Sorted Array II	2023/08/04
■	Leetcode # 26. Remove Duplicates from Sorted Array	2023/08/04
■	Leetcode # 3. Longest Substring Without Repeating Characters	2023/08/04
■	Leetcode # 424. Longest Repeating Character Replacement	2023/08/04
■	Leetcode # 17. Letter Combinations of a Phone Number	2023/08/03
■	Leetcode # 2361. Minimum Costs Using the Train Line	2023/08/02
■	Leetcode # 46. Permutations	2023/08/02
■	Leetcode # 894. All Possible Full Binary Trees	2023/08/02
■	Leetcode # 77. Combinations	2023/08/01
■	Leetcode # 712. Minimum ASCII Delete Sum for Two Strings	2023/07/31
■	Leetcode # 664. Strange Printer	2023/07/30
■	Leetcode # 2798. Number of Employees Who Met the Target	2023/07/30
■	Leetcode # 2799. Count Complete Subarrays in an Array	2023/07/30
■	Leetcode # 2800. Shortest String That Contains Three Strings	2023/07/30
■	Leetcode # 1060. Missing Element in Sorted Array	2023/07/29
■	Leetcode # 808. Soup Servings	2023/07/29
■	Leetcode # 486. Predict the Winner	2023/07/28
■	Leetcode # 706. Design HashMap	2023/07/26
■	Leetcode # 445. Add Two Numbers II	2023/07/25
■	Leetcode # 2. Add Two Numbers	2023/07/25
■	Leetcode # 21. Merge Two Sorted Lists	2023/07/25
■	Leetcode # 439. Ternary Expression Parser	2023/07/25
■	Leetcode # 43. Multiply Strings	2023/07/24
■	Leetcode # 1056. Confusing Number	2023/07/24
■	Leetcode # 859. Buddy Strings	2023/07/24
■	Leetcode # 50. Pow(x, n)	2023/07/24
■	Leetcode # 67. Add Binary	2023/07/24
■	Leetcode # 2786. Visit Array Positions to Maximize Score	2023/07/23
■	Leetcode # 688. Knight Probability in Chessboard	2023/07/22
■	Leetcode # 8. String to Integer (atoi)	2023/07/21
■	Leetcode # 418. Sentence Screen Fitting	2023/07/21
■	Leetcode # 249. Group Shifted Strings	2023/07/20
■	Leetcode # 305. Number of Islands II	2023/07/20
■	Leetcode # 65. Valid Number	2023/07/20
■	Leetcode # 735. Asteroid Collision	2023/07/20
■	Diagnal & Anti-Diagnal	2023/07/20
■	Leetcode # 54. Spiral Matrix	2023/07/20
■	Leetcode # 435. Non-overlapping Intervals	2023/07/20
■	Leetcode # 1275. Find Winner on a Tic Tac Toe Game	2023/07/19
■	Leetcode # 1644. Lowest Common Ancestor of a Binary Tree II	2023/07/18
■	Leetcode # 146. LRU Cache	2023/07/18
■	Leetcode # 13. Roman to Integer	2023/07/18
■	Leetcode # 1502. Can Make Arithmetic Progression From Sequence	2023/07/18
■	Leetcode # 283. Move Zeroes	2023/07/18
■	Leetcode # 459. Repeated Substring Pattern	2023/07/17
■	Leetcode # 28. Find the Index of the First Occurrence in a String	2023/07/17
■	Leetcode # 394. Decode String	2022/12/13
■	Leetcode # 299. Bulls and Cows	2022/12/12
■	Leetcode # 62. Unique Paths	2022/12/12
■	Leetcode # 844. Backspace String Compare	2022/12/12
■	Leetcode # 226. Invert Binary Tree	2022/12/12
■	Leetcode # 124. Binary Tree Maximum Path Sum	2022/12/12
■	Leetcode # 235. Lowest Common Ancestor of a Binary Search Tree	2022/12/11
■	Leetcode # 701. Insert into a Binary Search Tree	2022/12/11
■	Leetcode # 101. Symmetric Tree	2022/12/10
■	Leetcode # 112. Path Sum	2022/12/09
■	Leetcode # 323. Number of Connected Components in an Undirected Graph	2022/12/09
■	Leetcode # 200. Number of Islands	2022/12/09
■	Leetcode # 98. Validate Binary Search Tree	2022/12/08
■	Leetcode # 20. Valid Parentheses	2022/12/08
■	Leetcode # 938. Range Sum of BST	2022/12/08
■	Leetcode # 328. Odd Even Linked List	2022/12/06
■	Leetcode # 203. Remove Linked List Elements	2022/12/05
■	Leetcode # 141. Linked List Cycle	2022/12/05
■	Leetcode # 102. Binary Tree Level Order Traversal	2022/12/04
■	Leetcode # 589. N-ary Tree Preorder Traversal	2022/12/04
■	Leetcode # 242. Valid Anagram	2022/12/04
■	Leetcode # 451. Sort Characters By Frequency	2022/12/04
■	Leetcode # 74. Search a 2D Matrix	2022/12/02
■	Leetcode # 409. Longest Palindrome	2022/12/02
■	Leetcode # 1657. Determine if Two Strings Are Close	2022/12/02
■	Leetcode # 1704. Determine if String Halves Are Alike	2022/12/02
■	Leetcode # 142. Linked List Cycle II (Floyd’s Tortoise🐢 and Hare🐇)	2022/12/01
■	Leetcode # 876. Middle of the Linked List	2022/12/01
■	Leetcode # 118. Pascal’s Triangle	2022/12/01
■	Leetcode # 566. Reshape the Matrix	2022/12/01
■	Leetcode # 350. Intersection of Two Arrays II	2022/11/30
■	Leetcode # 205. Isomorphic Strings	2022/11/29
■	Leetcode # 88. Merge Sorted Array	2022/11/29
■	Leetcode # 42. Trapping Rain Water	2022/07/21
■	Leetcode # 746. Min Cost Climbing Stairs	2022/07/21
■	Leetcode # 92. Reverse Linked List II	2022/07/21
■	Leetcode # 792. Number of Matching Subsequences	2022/07/21
■	Leetcode # 1110. Delete Nodes And Return Forest	2022/07/20
■	Leetcode # 1095. Find in Mountain Array	2022/07/20
■	Leetcode # 852. Peak Index in a Mountain Array	2022/07/20
■	Leetcode # 542. 01 Matrix	2022/07/20
■	Leetcode # 206. Reverse Linked List	2022/07/19
■	Leetcode # 136. Single Number	2022/07/19
■	[Python] 位元運算	2022/07/19
■	Leetcode # 784. Letter Case Permutation	2022/07/18
■	Leetcode # 977. Squares of a Sorted Array	2022/07/18
■	Leetcode # 35. Search Insert Position	2022/07/18
■	Leetcode # 217. Contains Duplicate	2022/07/06
■	Leetcode # 278. First Bad Version	2022/07/06
■	Leetcode # 48. Rotate Image	2022/07/05
■	Leetcode # 31. Next Permutation	2022/07/05
■	Leetcode # 15. 3Sum	2022/07/05
■	Leetcode # 167. Two Sum II – Input Array Is Sorted	2022/07/05
■	Leetcode # 128. Longest Consecutive Sequence	2022/07/05
■	Leetcode # 1. Two Sum	2022/07/05
■	Leetcode # 918. Maximum Sum Circular Subarray	2022/02/13
■	Leetcode # 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	2022/02/12
■	Pramp – Root of Number	2022/02/10
■	Pramp – Array of Array Products	2022/02/07
■	Pramp – BST Successor Search	2022/02/07
■	Pramp – Smallest Substring of All Characters	2022/02/06
■	Pramp – Number of Paths	2022/02/05
■	Pramp – Getting a Different Number	2022/02/05
■	Leetcode # 1009. Complement of Base 10 Integer	2022/01/04
■	Leetcode # 116. Populating Next Right Pointers in Each Node	2021/12/29
■	Leetcode # 122. Best Time to Buy and Sell Stock II	2021/12/28
■	Leetcode # 1014. Best Sightseeing Pair	2021/12/28
■	Leetcode # 121. Best Time to Buy and Sell Stock	2021/12/28
■	Leetcode # 1567. Maximum Length of Subarray With Positive Product	2021/12/27
■	Leetcode # 152. Maximum Product Subarray	2021/12/27
■	Leetcode # 918. Maximum Sum Circular Subarray	2021/12/27
■	Leetcode # 45. Jump Game II	2021/12/25
■	Leetcode # 210. Course Schedule II	2021/12/23
■	Leetcode # 5. Longest Palindromic Substring (Manacher’s Algorithm)	2021/12/22
■	Leetcode # 902. Numbers At Most N Given Digit Set	2021/12/22
■	Leetcode # 143. Reorder List	2021/12/22
■	Leetcode # 53. Maximum Subarray (Kadane’s Algorithm)	2021/12/09
■	LeetCode # 11. Container With Most Water	2021/11/11
■	bitmask	2021/11/10