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leetcode

136 items with this tag.

Feb 22, 2026
Паттерны и шпаргалки
Feb 12, 2026
LeetCode — задачи
Feb 24, 2026
12. Integer to Roman
Feb 24, 2026
1266. Minimum Time Visiting All Points
Feb 24, 2026
1436. Destination City
Feb 24, 2026
1493. Longest Subarray of 1's After Deleting One Element
Feb 24, 2026
1496. Path Crossing
Feb 24, 2026
1572. Matrix Diagonal Sum
Feb 24, 2026
1971. Find if Path Exists in Graph
Feb 24, 2026
209. Minimum Size Subarray Sum
Feb 24, 2026
231. Power of Two
Feb 24, 2026
232. Implement Queue using Stacks
Feb 24, 2026
235. Lowest Common Ancestor of a Binary Search Tree
Feb 24, 2026
26. Remove Duplicates from Sorted Array
Feb 24, 2026
3. Longest Substring Without Repeating Characters
Feb 24, 2026
303. Range Sum Query - Immutable
Feb 24, 2026
36. Valid Sudoku
Feb 24, 2026
443. String Compression
Feb 24, 2026
46. Permutations
Feb 24, 2026
463. Island Perimeter
Feb 24, 2026
5. Longest Palindromic Substring
Feb 24, 2026
509. Fibonacci Number
Feb 24, 2026
51. N-Queens
Feb 24, 2026
567. Permutation in String
Feb 24, 2026
58. Length of Last Word
Feb 24, 2026
658. Find K Closest Elements
Feb 24, 2026
724. Find Pivot Index
Feb 24, 2026
739. Daily Temperatures
Feb 24, 2026
76. Minimum Window Substring
Feb 24, 2026
862. Shortest Subarray with Sum at Least K
Feb 22, 2026
Деревья (Trees)
Feb 17, 2026
102. Binary Tree Level Order Traversal
Feb 17, 2026
108. Convert Sorted Array to Binary Search Tree
Feb 17, 2026
111. Minimum Depth of Binary Tree
Feb 17, 2026
1365. How Many Numbers Are Smaller Than the Current Number
Feb 17, 2026
1382. Balance a Binary Search Tree
Feb 17, 2026
236. Lowest Common Ancestor of a Binary Tree
Feb 17, 2026
448. Find All Numbers Disappeared in an Array
Feb 17, 2026
450. Delete Node in a BST
Feb 17, 2026
530. Minimum Absolute Difference in BST
Feb 17, 2026
54. Spiral Matrix
Feb 17, 2026
653. Two Sum IV - Input is a BST
Feb 17, 2026
700. Search in a Binary Search Tree
Feb 17, 2026
701. Insert into a Binary Search Tree
Feb 16, 2026
1200. Minimum Absolute Difference
Feb 16, 2026
150. Evaluate Reverse Polish Notation
Feb 16, 2026
20. Valid Parentheses
Feb 16, 2026
203. Remove Linked List Elements
Feb 16, 2026
2073. Time Needed to Buy Tickets
Feb 16, 2026
225. Implement Stack using Queues
Feb 16, 2026
226. Invert Binary Tree
Feb 16, 2026
268. Missing Number
Feb 16, 2026
322. Coin Change
Feb 16, 2026
338. Counting Bits
Feb 16, 2026
53. Maximum Subarray
Feb 16, 2026
543. Diameter of Binary Tree
Feb 16, 2026
637. Average of Levels in Binary Tree
Feb 16, 2026
784. Letter Case Permutation
Feb 16, 2026
81. Search in Rotated Sorted Array II
Feb 16, 2026
876. Middle of the Linked List
Feb 16, 2026
977. Squares of a Sorted Array
Feb 15, 2026
112. Path Sum
Feb 15, 2026
113. Path Sum II
Feb 15, 2026
155. Min Stack
Feb 15, 2026
217. Contains Duplicate
Feb 15, 2026
22. Generate Parentheses
Feb 15, 2026
23. Merge k Sorted Lists
Feb 15, 2026
309. Best Time to Buy and Sell Stock with Cooldown
Feb 15, 2026
347. Top K Frequent Elements
Feb 15, 2026
39. Combination Sum
Feb 15, 2026
438. Find All Anagrams in a String
Feb 15, 2026
49. Group Anagrams
Feb 15, 2026
695. Max Area of Island
Feb 15, 2026
714. Best Time to Buy and Sell Stock with Transaction Fee
Feb 15, 2026
78. Subsets
Feb 15, 2026
79. Word Search
Feb 15, 2026
94. Binary Tree Inorder Traversal
Feb 15, 2026
98. Validate Binary Search Tree
Feb 12, 2026
1. Two Sum
Feb 12, 2026
100. Same Tree
Feb 12, 2026
101. Symmetric Tree
Feb 12, 2026
104. Maximum Depth of Binary Tree
Feb 12, 2026
11. Container With Most Water
Feb 12, 2026
110. Balanced Binary Tree
Feb 12, 2026
121. Best Time to Buy and Sell Stock
Feb 12, 2026
122. Best Time to Buy and Sell Stock II
Feb 12, 2026
125. Valid Palindrome
Feb 12, 2026
13. Roman to Integer
Feb 12, 2026
136. Single Number
Feb 12, 2026
141. Linked List Cycle
Feb 12, 2026
153. Find Minimum in Rotated Sorted Array
Feb 12, 2026
16. 3Sum
Feb 12, 2026
169. Majority Element
Feb 12, 2026
18. 4Sum
Feb 12, 2026
2. Add Two Numbers
Feb 12, 2026
200. Number of Islands
Feb 12, 2026
205. Isomorphic Strings
Feb 12, 2026
206. Reverse Linked List
Feb 12, 2026
21. Merge Two Sorted Lists
Feb 12, 2026
219. Contains Duplicate II
Feb 12, 2026
2215. Find the Difference of Two Arrays
Feb 12, 2026
228. Summary Ranges
Feb 12, 2026
234. Palindrome Linked List
Feb 12, 2026
242. Valid Anagram
Feb 12, 2026
2620. Counter
Feb 12, 2026
27. Remove Element
Feb 12, 2026
271. Contains Duplicate
Feb 12, 2026
28. Find the Index of the First Occurrence in a String
Feb 12, 2026
283. Move Zeroes
Feb 12, 2026
33. Search in Rotated Sorted Array
Feb 12, 2026
344. Reverse String
Feb 12, 2026
349. Intersection of Two Arrays
Feb 12, 2026
350. Intersection of Two Arrays II
Feb 12, 2026
374. Guess Number Higher or Lower
Feb 12, 2026
387. First Unique Character in a String
Feb 12, 2026
392. Is Subsequence
Feb 12, 2026
404. Sum of Left Leaves
Feb 12, 2026
424. Longest Repeating Character Replacement
Feb 12, 2026
459. Repeated Substring Pattern
Feb 12, 2026
485. Max Consecutive Ones
Feb 12, 2026
557. Reverse Words in a String III
Feb 12, 2026
56. Merge Intervals
Feb 12, 2026
605. Can Place Flowers
Feb 12, 2026
628. Maximum Product of Three Numbers
Feb 12, 2026
657. Robot Return to Origin
Feb 12, 2026
680. Valid Palindrome II
Feb 12, 2026
692. Top K Frequent Words
Feb 12, 2026
70. Climbing Stairs
Feb 12, 2026
704. Binary Search
Feb 12, 2026
74. Search a 2D Matrix
Feb 12, 2026
763. Partition Labels
Feb 12, 2026
771. Jewels and Stones
Feb 12, 2026
88. Merge Sorted Array
Feb 12, 2026
896. Monotonic Array
Feb 12, 2026
9. Palindrome Number
Feb 12, 2026
933. Number of Recent Calls