Tag #leetcode (207)
2026 (87 posts)
April (1)
February (1)
January (83)
- LeetCode #2166: Design Bitset
- LeetCode #1047: Remove All Adjacent Duplicates In String
- LeetCode #380: Insert Delete GetRandom O(1)
- LeetCode #288: Unique Word Abbreviation
- LeetCode #23: Merge k Sorted Lists
- LeetCode #362: Design Hit Counter
- LeetCode #692: Top K Frequent Words
- LeetCode #170: Two Sum III - Data structure design
- LeetCode #347: Top K Frequent Elements
- LeetCode #694: Number of Distinct Islands
- LeetCode #1254: Number of Closed Islands
- LeetCode #200: Number of Islands
- LeetCode #1244: Design A Leaderboard
- LeetCode #2490: Circular Sentence
- LeetCode #286: Walls and Gates
- LeetCode #1472: Design Browser History
- LeetCode #1188: Design Bounded Blocking Queue
- LeetCode #1756: Design Most Recently Used Queue
- LeetCode #622: Design Circular Queue
- LeetCode #641: Design Circular Deque
- LeetCode #211: Design Add and Search Words Data Structure
- LeetCode #2965: Find Missing and Repeated Values
- LeetCode #1033: Moving Stones Until Consecutive
- LeetCode #771: Jewels and Stones
- LeetCode #652: Find Duplicate Subtrees
- LeetCode #36: Valid Sudoku
- LeetCode #49: Group Anagrams
- LeetCode #359: Logger Rate Limiter
- LeetCode #2215: Find the Difference of Two Arrays
- LeetCode #219: Contains Duplicate II
- LeetCode #350: Intersection of Two Arrays II
- LeetCode #387: First Unique Character in a String
- LeetCode #136: Single Number
- LeetCode #2154: Keep Multiplying Found Values by Two
- LeetCode #3667: Sort Array By Absolute Value
- LeetCode #1018: Binary Prefix Divisible By 5
- LeetCode #1636: Sort Array by Increasing Frequency
- LeetCode #3662: Filter Characters by Frequency
- LeetCode #3467: Transform Array by Parity
- LeetCode #2788: Split Strings by Separator
- LeetCode #451: Sort Characters By Frequency
- LeetCode #2336: Smallest Number in Infinite Set
- LeetCode #3370: Smallest Number With All Set Bits
- LeetCode #645: Set Mismatch
- LeetCode #442: Find All Duplicates in an Array
- LeetCode #2138: Divide a String Into Groups of Size k
- LeetCode #1876: Substrings of Size Three with Distinct Characters
- LeetCode #706: Design HashMap
- LeetCode #705: Design HashSet
- LeetCode #209: Minimum Size Subarray Sum
- LeetCode #167: Two Sum II - Input Array Is Sorted
- LeetCode #67: Add Binary
- LeetCode #54: Spiral Matrix
- LeetCode #1790: Check if One String Swap Can Make Strings Equal
- LeetCode #1180: Count Substrings with Only One Distinct
- LeetCode #3683: Earliest Time to Finish One Task
- LeetCode #2085: Count Common Words With One Occurrence
- LeetCode #2666: Allow One Function
- LeetCode #66: Plus One
- LeetCode #3595: Once Twice
- LeetCode #747: Largest Number At Least Twice of Others
- LeetCode #2057: Smallest Index With Equal Value
- LeetCode #1065: Index Pairs of a String
- LeetCode #1533: Find the Index of the Large Integer
- LeetCode #1991: Find the Middle Index in Array
- LeetCode #2485: Find the Pivot Integer
- LeetCode #724: Find Pivot Index
- LeetCode #250: Count Univalue Subtrees
- LeetCode #498: Diagonal Traverse
- LeetCode #104: Maximum Depth of Binary Tree
- LeetCode #987: Vertical Order Traversal of a Binary Tree
- LeetCode #704: Binary Search
- LeetCode #3417: Zigzag Grid Traversal With Skip
- LeetCode #671: Second Minimum Node In a Binary Tree
- LeetCode #1506: Find Root of N-Ary Tree
- LeetCode #993: Cousins in Binary Tree
- LeetCode #589: N-ary Tree Preorder Traversal
- LeetCode #965: Univalued Binary Tree
- LeetCode #563: Binary Tree Tilt
- LeetCode #429: N-ary Tree Level Order Traversal
- LeetCode #590: N-ary Tree Postorder Traversal
- LeetCode #314: Binary Tree Vertical Order Traversal
- LeetCode #102: Binary Tree Level Order Traversal
2025 (119 posts)
December (82)
- LeetCode #701: Insert into a Binary Search Tree
- LeetCode #501: Find Mode in Binary Search Tree
- LeetCode #700: Search in a Binary Search Tree
- LeetCode #24: Swap Nodes in Pairs
- LeetCode #3396: Minimum Number of Operations to Make Elements in Array Distinct
- LeetCode #1119: Remove Vowels from a String
- LeetCode #1021: Remove Outermost Parentheses
- LeetCode #229: Majority Element II
- LeetCode #203: Remove Linked List Elements
- LeetCode #922: Sort Array By Parity II
- LeetCode #905: Sort Array By Parity
- Kagi: Add LeetCode !bang
- LeetCode #1299: Replace Elements with Greatest Element on Right Side
- LeetCode #941: Valid Mountain Array
- LeetCode #1346: Check If N and Its Double Exist
- LeetCode #977: Squares of a Sorted Array
- LeetCode #1295: Find Numbers with Even Number of Digits
- LeetCode #485: Max Consecutive Ones
- LeetCode #383: Ransom Note
- LeetCode #876: Middle of the Linked List
- LeetCode #1342: Number of Steps to Reduce a Number to Zero
- LeetCode #412: FizzBuzz
- LeetCode #1672: Richest Customer Wealth
- LeetCode #1480: Running Sum of 1d Array
- LeetCode #97: Interleaving String
- LeetCode #983: Minimum Cost For Tickets
- LeetCode #790: Domino and Tromino Tiling
- LeetCode #1155: Number of Dice Rolls With Target Sum
- LeetCode #718: Maximum Length of Repeated Subarray
- LeetCode #1220: Count Vowels Permutation
- LeetCode #265: Paint House II
- LeetCode #256: Paint House
- LeetCode #931: Minimum Falling Path Sum
- LeetCode #62: Unique Paths
- LeetCode #91: Decode Ways
- LeetCode #518: Coin Change II
- LeetCode #276: Paint Fence
- LeetCode #1137: N-th Tribonacci Number
- LeetCode #746: Min Cost Climbing Stairs
- LeetCode #740: Delete and Earn
- LeetCode #474: Ones and Zeroes
- LeetCode #3479: Fruit Into Baskets III
- LeetCode #904: Fruit Into Baskets
- LeetCode #3477: Fruits Into Baskets II
- LeetCode #118: Pascal's Triangle
- LeetCode #1351: Count Negative Numbers in a Sorted Matrix
- LeetCode #349: Intersection of Two Arrays
- LeetCode #346: Moving Average from Data Stream
- LeetCode #344: Reverse String
- LeetCode #248: Strobogrammatic Number III
- LeetCode #247: Strobogrammatic Number II
- LeetCode #246: Strobogrammatic Number
- LeetCode #243: Shortest Word Distance
- LeetCode #231: Power of Two
- LeetCode #217: Contains Duplicate
- LeetCode #278: First Bad Version
- LeetCode #268: Missing Number
- LeetCode #266: Palindrome Permutation
- LeetCode #263: Ugly Number
- LeetCode #326: Power of Three
- LeetCode #303: Range Sum Query – Immutable
- LeetCode #293: Flip Game
- LeetCode #182: Duplicate Emails
- LeetCode #193: Valid Phone Numbers
- LeetCode #190: Reverse Bits
- LeetCode #171: Excel Sheet Column Number
- LeetCode #163: Missing Ranges
- LeetCode #112: Path Sum
- LeetCode #100: Same Tree
- LeetCode #94: Binary Tree Inorder Traversal
- LeetCode #93: Restore IP Addresses
- LeetCode #274: H-Index
- LeetCode #257: Binary Tree Paths
- LeetCode #195: Tenth line
- LeetCode #22: Generate Parentheses
- LeetCode #19: Remove Nth Node From End of List
- LeetCode #17: Letter Combinations of a Phone Number
- LeetCode #11: Container With Most Water
- LeetCode #9: Palindrome Number
- LeetCode #8: String to Integer (atoi)
- LeetCode #5: Longest Palindromic String
- LeetCode #3: Longest Substring Without Repeating Characters
November (5)
September (31)
- LeetCode #58: Length of Last Word
- LeetCode #28: Find the Index of the First Occurrence in a String
- LeetCode #14: Longest Common Prefix
- LeetCode #63: Unique Paths II
- LeetCode #64: Minimum Path Sum
- LeetCode #120: Triangle
- LeetCode #139: Word Break
- LeetCode #300: Longest Increasing Subsequence
- LeetCode #322: Coin Change
- LeetCode #198: House Robber
- LeetCode #70: Climbing Stairs
- LeetCode #448: Find All Numbers Disappeared in an Array
- LeetCode #125: Valid Palindrome
- LeetCode #202: Happy Number
- LeetCode #20: Valid Parentheses
- LeetCode #283: Move Zeroes
- LeetCode #1: Two Sum
- LeetCode #6: Zigzag Conversion
- LeetCode #151: Reverse Words in a String
- LeetCode #68: Text Justification
- LeetCode #45: Jump Game II
- LeetCode #55: Jump Game
- LeetCode #122: Best Time To Buy And Sell Stock II
- LeetCode #121: Best Time To Buy And Sell Stock
- LeetCode #189: Rotate Array
- ★ LeetCoding
- LeetCode #169: Majority Element
- LeetCode #80: Duplicate From Sorted Array II
- LeetCode #26: Duplicate From Sorted Array
- LeetCode #27: Remove Element
- LeetCode #88: Merge Sorted Array
August (1)
2013 (1 post)
September (1)