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leetcode

Folder: leetcode

408 items under this folder.

Nov 02, 2024
723-candy-crush
Nov 02, 2024
733-flood-fill
Nov 02, 2024
735-asteroid-collision
Nov 02, 2024
74-search-a-2d-matrix
Nov 02, 2024
746-min-cost-climbing-stairs
Nov 02, 2024
797-all-paths-from-source-to-target
Nov 02, 2024
844-backspace-string-compare
Nov 02, 2024
853-car-fleet
Nov 02, 2024
869-reordered-power-of-two
Nov 02, 2024
876-middle-of-the-linked-list
Nov 02, 2024
9-palindrome-number
Nov 02, 2024
904-fruit-into-baskets
Nov 02, 2024
91-decode-ways
Nov 02, 2024
935-knight-dialer
Nov 02, 2024
948-bag-of-tokens
Nov 02, 2024
967-numbers-with-same-consecutive-differences
Nov 02, 2024
973-k-closest-points-to-origin
Nov 02, 2024
98-validate-binary-search-tree
Nov 02, 2024
994-rotting-oranges
Nov 02, 2024
40-combination-sum-ii
Nov 02, 2024
409-longest-palindrome
Nov 02, 2024
412-fizz-buzz
Nov 02, 2024
417-pacific-atlantic-water-flow
Nov 02, 2024
435-non-overlapping-intervals
Nov 02, 2024
445-add-two-numbers-ii
Nov 02, 2024
46-permutations
Nov 02, 2024
5-longest-palindromic-substring
Nov 02, 2024
542-01-matrix
Nov 02, 2024
543-diameter-of-binary-tree
Nov 02, 2024
567-permutation-in-string
Nov 02, 2024
572-subtree-of-another-tree
Nov 02, 2024
6-zigzag-conversion
Nov 02, 2024
611-valid-triangle-number
Nov 02, 2024
621-task-scheduler
Nov 02, 2024
647-palindromic-substrings
Nov 02, 2024
662-maximum-width-of-binary-tree
Nov 02, 2024
67-add-binary
Nov 02, 2024
684-redundant-connection
Nov 02, 2024
70-climbing-stairs
Nov 02, 2024
701-insert-into-a-binary-search-tree
Nov 02, 2024
704-binary-search 1
Nov 02, 2024
242. valid anagram
- #hashmap
Nov 02, 2024
252-meeting-rooms
Nov 02, 2024
253-meetings-rooms-ii
Nov 02, 2024
268-missing-number
Nov 02, 2024
278-first-bad-version
Nov 02, 2024
285-inorder-successor-in-bst
Nov 02, 2024
287-find-the-duplicate-number
Nov 02, 2024
295-find-median-from-data-stream
Nov 02, 2024
3-longest-substring-without-repeating-characters
Nov 02, 2024
308-range-sum-query-mutable-2d
Nov 02, 2024
310-minimum-height-trees
Nov 02, 2024
311-sparse-matrix-multiplication
Nov 02, 2024
32-longest-valid-parentheses
Nov 02, 2024
328-odd-even-linked-list
Nov 02, 2024
332-reconstruct-itinerary
Nov 02, 2024
338-counting-bits
Nov 02, 2024
355-design-twitter
Nov 02, 2024
383-ransom-note
Nov 02, 2024
1396-design-underground-system
Nov 02, 2024
14-longest-common-prefix
Nov 02, 2024
141-linked-list-cycle
Nov 02, 2024
143-reorder-list
Nov 02, 2024
1448-count-good-nodes-in-binary-tree
Nov 02, 2024
1472-design-browser-history
Nov 02, 2024
148-sort-list
Nov 02, 2024
15-3sum
Nov 02, 2024
150-evaluate-reverse-polish-notation
Nov 02, 2024
152-maximum-product-subarray
Nov 02, 2024
153-find-minimum-in-rotated-sorted-array
Nov 02, 2024
155-min-stack
Nov 02, 2024
1570-dot-product-of-two-sparse-vectors
Nov 02, 2024
1583-count-unhappy-friends
Nov 02, 2024
1614-maximum-nesting-depth-of-the-parentheses
Nov 02, 2024
1656-design-an-ordered-stream
Nov 02, 2024
167-two-sum-ii-input-array-is-sorted
Nov 02, 2024
169-majority-element
Nov 02, 2024
1700-number-of-students-unable-to-eat-lunch
Nov 02, 2024
1730-shortest-path-to-get-food
Nov 02, 2024
179-largest-number
Nov 02, 2024
1823-find-the-winner-of-the-circular-game
Nov 02, 2024
189-rotate-array
Nov 02, 2024
19-remove-nth-node-from-end-of-list
Nov 02, 2024
191-number-of-one-bits
Nov 02, 2024
198-house-robber
Nov 02, 2024
199-binary-tree-right-side-view
Nov 02, 2024
2-add-two-numbers
Nov 02, 2024
20-valid-parentheses
Nov 02, 2024
200-number-of-islands
Nov 02, 2024
206-reverse-linked-list
Nov 02, 2024
208-implement-trie
Nov 02, 2024
21-merge-two-sorted-lists
Nov 02, 2024
210-course-schedule-ii
Nov 02, 2024
211-design-add-and-search-words-data-structure
Nov 02, 2024
213-house-robber-ii
Nov 02, 2024
215-kth-largest-element-in-an-array
Nov 02, 2024
217. contains duplicate
- #array
Nov 02, 2024
226-invert-binary-tree
Nov 02, 2024
230-kth-smallest-element-in-a-bst
Nov 02, 2024
2303-calculate-amount-paid-in-taxes
Nov 02, 2024
232-implement-queue-using-stacks
Nov 02, 2024
234-palindrome-linked-list
Nov 02, 2024
238-product-of-array-except-self
Nov 02, 2024
1. two sum
- #array
- #hashmap
Nov 02, 2024
100-same-tree
Nov 02, 2024
101-symmetric-tree
Nov 02, 2024
1010-pairs-of-songs-with-total-durations-divisible-by-60
Nov 02, 2024
102-binary-tree-level-order-traversal
Nov 02, 2024
103-binary-tree-zigzag-level-order-traversal
Nov 02, 2024
104-maximum-depth-of-binary-tree
Nov 02, 2024
105-construct-binary-tree-from-preorder-and-inorder-traversal
Nov 02, 2024
1080-insufficient-nodes-in-root-to-leaf-paths
Nov 02, 2024
110-balanced-binary-tree
Nov 02, 2024
1155-number-of-dice-rolls-with-target-sum
Nov 02, 2024
1169-invalid-transactions
Nov 02, 2024
117-populating-next-right-pointers-in-each-node-ii
Nov 02, 2024
1197-minimum-knight-moves
Nov 02, 2024
1207-unique-number-of-occurrences
Nov 02, 2024
121-best-time-to-buy-and-sell-stock
Nov 02, 2024
1214-two-sum-bsts
Nov 02, 2024
1235-maximum-profit-in-job-scheduling
Nov 02, 2024
1236-web-crawler
Nov 02, 2024
1244-design-a-leaderboard
Nov 02, 2024
125-valid-palindrome
Nov 02, 2024
1274-number-of-ships-in-a-rectangle
Nov 02, 2024
13-roman-to-integer
Nov 02, 2024
130-surrounded-regions
Nov 02, 2024
131-palindrome-partitioning
Nov 02, 2024
1347-minimum-number-of-steps-to-make-two-strings-anagram
Nov 02, 2024
136-single-number
Nov 02, 2024
1387-sort-integers-by-the-power-value
Nov 01, 2024
787. cheapest flights within k stops
Oct 28, 2024
42. trapping rainwater
- #two-pointer
- #array
Oct 23, 2024
33. search in rotated sorted array
- #binary-search
Oct 17, 2024
1110. delete nodes and return forest
- #binary-tree
- #recursion
Oct 06, 2024
377. combination sum iv
Oct 06, 2024
386. lexicographical numbers
- #dfs
Oct 06, 2024
41. first missing positive
- #array
Oct 06, 2024
852. peak index in mountain array
- #binary-search
Oct 05, 2024
1590. make sum divisible by p
Oct 05, 2024
785. is graph bipartite?
- #dfs
- #bfs
Oct 03, 2024
135. candy
- #simulation
- #greedy
Oct 03, 2024
142. linked list cycle ii
- #linked-list
Oct 03, 2024
554. brick wall
- #hashmap
Oct 03, 2024
673. number of longest increasing subsequence
- #dp
Oct 03, 2024
689. maximum sum of 3 non-overlapping subarrays
Oct 03, 2024
930. binary subarrays with sum
Oct 02, 2024
536. construct binary tree from string
Oct 02, 2024
547. number of provinces
- #dfs
- #union-find
Oct 02, 2024
695. max area of island
- #dfs
- #union-find
Sep 28, 2024
416. partition equal subset sum
Sep 28, 2024
983. minimum cost for tickets
Sep 27, 2024
277. find the celebrity
- #graph
Sep 27, 2024
344. increasing triplet subsequence
- #two-pointer
Sep 27, 2024
477. total hamming distance
- #math
- #bit-manipulation
Sep 24, 2024
44. wildcard matching
- #recursion
- #memoization
Sep 24, 2024
918. maximum sum circular subarray
Sep 22, 2024
713. subarray product less than k
Sep 22, 2024
857. minimum cost to hire k workers
Sep 21, 2024
1371. find the longest substring containing vowels in even counts
Sep 21, 2024
25. reverse nodes in k-group
- #recursion
- #linked-list
Sep 21, 2024
300. longest increasing subsequence
- #dp
- #segment-tree
Sep 21, 2024
378. kth smallest element in a sorted matrix
- #heap
- #binary-search
Sep 21, 2024
493. reverse pairs
- #merge-sort
- #two-pointer
Sep 21, 2024
82. remove duplicates from sorted list ii
- #linked-list
Sep 18, 2024
116. populating next right pointers in each node
Sep 18, 2024
231. power of two
- #bit-manipulation
Sep 18, 2024
2419. longest subarray with maximum bitwise and
- #array
Sep 18, 2024
93. restore ip addresses
- #backtracking
- #recursion
Sep 16, 2024
1539. kth missing positive number
- #binary-search
Sep 16, 2024
721. accounts merge
Sep 16, 2024
863. all nodes distance k in binary tree
Sep 15, 2024
419. battleships in a board
- #bfs
- #dfs
Sep 15, 2024
629. k inverse pairs array
Sep 14, 2024
1043. partition array for maximum sum
Sep 14, 2024
1209. remove all adjacent duplicates in string ii
- #stack
Sep 14, 2024
333. largest bst subtree
Sep 14, 2024
438. find all anagrams in a string
- #sliding-window
- #hashmap
Sep 14, 2024
622. design circular queue
- #linked-list
Sep 14, 2024
995. minimum number of k consecutive flips
Sep 12, 2024
480. sliding window median
- #heap
- #sorting
Sep 12, 2024
489. robot room cleaner
- #backtracking
Sep 11, 2024
1060. missing element in sorted array
Sep 11, 2024
317. shortest distance from all buildings
- #bfs
Sep 11, 2024
348. design tic tac toe
Sep 11, 2024
57. insert interval
Sep 11, 2024
73. set matrix zeroes
Sep 10, 2024
11. container with most water
Sep 10, 2024
145. binary tree postorder traversal
Sep 10, 2024
1609. even odd tree
- #binary-tree
- #bfs
Sep 10, 2024
26. remove duplicates
Sep 10, 2024
301. remove invalid parentheses
- #backtracking
Sep 10, 2024
437. path sum iii
Sep 10, 2024
80. remove duplicates from sorted array ii
- #two-pointer
- #array
Sep 09, 2024
1424. diagonal traverse ii
- #hashmap
- #bfs
Sep 09, 2024
987. vertical order traversal of a binary tree
Sep 06, 2024
307. range sum query - mutable
- #segment-tree
Sep 06, 2024
406. queue reconstruction by height
- #sorting
Sep 04, 2024
1027. longest arithmetic subsequence
- #dp
Sep 03, 2024
17-letter-combinations-of-a-phone-number
Sep 02, 2024
1122. relative sort array
Sep 02, 2024
113. path sum ii
Sep 02, 2024
1443. minimum time to collect all apples in a tree
- #dfs
- #tree
Sep 02, 2024
1752. check if array is sorted and rotated
Sep 02, 2024
221. maximal square
- #dp
Sep 02, 2024
53. maximum subarray
- #dp
- #array
Sep 02, 2024
69. sqrt(x)
- #binary-search
Sep 02, 2024
708. insert into a sorted circular linked list
- #linked-list
Sep 02, 2024
79. word search
Sep 02, 2024
84. largest rectangle in histogram
- #array
- #monotonic-stack
Sep 02, 2024
90. subsets ii
Sep 01, 2024
1216. valid palindrome iii
Sep 01, 2024
173. binary search tree iterator
Sep 01, 2024
1868. product of two run-length encoded arrays
- #two-pointer
- #array
Sep 01, 2024
235. lowest common ancestor of a binary search tree
- #binary-search-tree
Sep 01, 2024
273. Integer to English Words
- #math
- #string
Sep 01, 2024
282. expression add operators
Sep 01, 2024
394. decode string
Sep 01, 2024
48. rotate image
- #array
- #matrix
Sep 01, 2024
498. diagonal traverse
- #matrix
Sep 01, 2024
525. contiguous array
- #prefix-sums
- #hashmap
Sep 01, 2024
633. sum of square numbers
- #two-pointer
- #hashmap
Sep 01, 2024
658. find k closest elements
- #heap
- #binary-search
Sep 01, 2024
75. sort colors
Aug 31, 2024
1249. minimum remove to make valid parentheses
- #string
Aug 31, 2024
128. longest consecutive sequence
- #union-find
- #hashmap
Aug 31, 2024
270. closest binary search tree value
Aug 31, 2024
347. top k frequent elements
- #heap
- #bucket-sort
Aug 31, 2024
38. count and say
- #recursion
Aug 31, 2024
78. subsets
Aug 31, 2024
791. custom sort string
- #sorting
- #hashmap
Aug 31, 2024
825. friends of appropriate ages
- #binary-search
- #math
Aug 30, 2024
133. clone graph
Aug 30, 2024
398. random pick index
- #reservoir-sampling
- #hashmap
Aug 30, 2024
426. convert binary tree to sorted doubly linked list
- #dfs
Aug 30, 2024
523. continuous subarray sum
Aug 30, 2024
670. maximum swap
- #greedy
- #string
Aug 29, 2024
1004. max consecutive ones iii
- #sliding-window
Aug 29, 2024
138. copy list with random pointer
- #linked-list
- #hashmap
Aug 29, 2024
283. move zeroes
- #two-pointer
Aug 29, 2024
31. next permutation
- #two-pointer
- #array
Aug 28, 2024
227. basic calculator ii
- #string
- #stack
Aug 28, 2024
236. lowest common ancestor of a binary tree
Aug 28, 2024
50. pow(x, n)
Aug 28, 2024
56. merge intervals
Aug 28, 2024
560. subarray sum equals k
- #prefix-sums
- #hashmap
Aug 28, 2024
71. simplify path
- #string
- #stack
Aug 27, 2024
68. text justification
Aug 26, 2024
291. word pattern ii
- #backtracking
- #hashmap
Aug 26, 2024
305. number of islands ii
- #graph
- #union-find
Aug 26, 2024
384. shuffle an array
- #array
Aug 25, 2024
1353. maximum number of events that can be attended
Aug 25, 2024
297. serialize and deserialize binary tree
- #dfs
- #binary-tree
Aug 25, 2024
490. the maze
- #dfs
- #memoization
Aug 24, 2024
1462. course schedule iv
Aug 24, 2024
1856. maximum subarray min-product
- #monotonic-stack
- #prefix-sums
Aug 24, 2024
690. employee importance
- #dfs
Aug 24, 2024
959. regions cut by slashes
- #dfs
- #graph
Aug 23, 2024
39. combination sum
- #backtracking
- #recursion
Aug 23, 2024
410. split array largest sum
Aug 23, 2024
54. spiral matrix
- #geometry
Aug 23, 2024
710. random pick with blacklist
- #hashmap
- #array
Aug 18, 2024
146. lru cache
- #linked-list
- #hashmap
Aug 18, 2024
648. replace words
- #trie
Aug 18, 2024
699. falling squares
- #segment-tree
Aug 17, 2024
139. word break
- #dp
- #string
Aug 17, 2024
140. word break ii
Aug 17, 2024
2537. count the number of good subarrays
Aug 17, 2024
636. exclusive time of functions
- #stack
Aug 17, 2024
827. making a large island
- #dfs
- #hashmap
Aug 17, 2024
934. shortest bridge
- #dfs
- #bfs
Aug 16, 2024
337. house robber iii
Aug 15, 2024
450. delete node in a bst
- #binary-search-tree
- #recursion
Aug 13, 2024
249. group shifted strings
- #hashmap
- #string
Aug 13, 2024
254. factor combinations
- #backtracking
- #math
Aug 11, 2024
161. is one edit distance
- #string
Aug 11, 2024
186. reverse words in a string ii
- #string
Aug 10, 2024
162. find peak element
- #binary-search
Aug 10, 2024
2468. split message based on limit
Aug 10, 2024
432. all o(1) data structure
- #linked-list
- #hashmap
Aug 10, 2024
729. my calendar i
Aug 10, 2024
76. minimum window substring
Aug 10, 2024
986. interval list intersections
- #intervals
Aug 09, 2024
224. basic calculator
Aug 09, 2024
330. patching array
- #greedy
Aug 08, 2024
3071. minimum operations to write the letter y on a grid
- #matrix
- #math
Aug 08, 2024
399. evaluate division
Aug 08, 2024
7. reverse integer
- #math
Aug 08, 2024
981. time based key-value store
- #hashmap
- #binary-search
Aug 07, 2024
2444. count subarrays with fixed bounds
- #two-pointer
- #sliding-window
Aug 07, 2024
424. longest repeating character replacement
Aug 07, 2024
528. random pick with weight
Aug 06, 2024
1438. longest continuous subarray with absolute diff less than or equal to limit
- #sliding-window
- #heap
Aug 06, 2024
212. word search ii
- #trie
- #backtracking
Aug 06, 2024
2508. add edges to make degrees of all nodes even
- #graph
Aug 06, 2024
37. sudoku solver
- #backtracking
- #hashmap
Aug 06, 2024
427. construct quad tree
- #recursion
Aug 05, 2024
207. course schedule
Aug 05, 2024
36. valid sudoku
Aug 03, 2024
10. regular expression matching
Aug 03, 2024
22. generate parentheses
- #backtracking
- #string
Aug 03, 2024
24. swap nodes in pairs
- #linked-list
Aug 03, 2024
8. string to integer
Aug 01, 2024
1428. leftmost column with at least a one
- #binary-search
Aug 01, 2024
362. design hit counter
- #queue
- #binary-search
Aug 01, 2024
380. insert delete getrandom o(1)
- #hashmap
- #array
Aug 01, 2024
875. koko eating bananas
Jul 31, 2024
815. bus routes
Jul 14, 2024
2483. minimum penalty for shop
- #prefix-sums
Jul 14, 2024
473. matchsticks to square
Jul 11, 2024
1762. buildings with an ocean view
- #monotonic-stack
- #array
Jul 10, 2024
1650. lowest common ancestor of a binary tree iii
- #linked-list
Jul 10, 2024
314. binary tree vertical order traversal
- #bfs
- #hashmap
Jul 10, 2024
408. valid word abbreviation
- #string
Jul 07, 2024
96. unique binary search trees
- #dp
Jul 06, 2024
1070. greatest common divisor of strings
- #math
- #string
Jul 06, 2024
2009. minimum number of operations to make array continuous
- #binary-search
- #array
Jul 06, 2024
402. remove k digits
- #monotonic-stack
- #greedy
Jun 30, 2024
1557. minimum number of vertices to reach all nodes
- #graph
Jun 30, 2024
2140. solving questions with brainpower
Jun 30, 2024
837. new 21 game
- #dp
- #math
Jun 19, 2024
1029. two city scheduling
- #greedy
- #sorting
Jun 19, 2024
12. integer to roman
- #hashmap
Jun 19, 2024
1921. eliminate maximum number of monsters
- #sorting
- #array
Jun 19, 2024
304. range sum query 2d - immutable
- #prefix-sums
- #geometry
Jun 19, 2024
881. boats to save people
Jun 19, 2024
958. check completeness of binary tree
- #binary-tree
- #bfs
Jun 12, 2024
1383. maximum performance of a team
Jun 12, 2024
<% tp.file.cursor() %>
Jun 11, 2024
<% tp.file.cursor() %>
Jun 08, 2024
323. number of connected components in an undirected graph
Jun 04, 2024
269. alien dictionary
Jun 04, 2024
286. walls and gates
- #bfs
Jun 04, 2024
778. swim in rising water
- #djikstra
- #graph
Jun 02, 2024
1584. min cost to connect all points
Jun 02, 2024
271. encode and decode strings
May 29, 2024
329. longest increasing path in a matrix
May 29, 2024
518. coin change ii
- #dp
- #memoization
May 29, 2024
742. network delay time
May 28, 2024
190. reverse bits
May 28, 2024
2290. minimum obstacle removal to reach corner
May 28, 2024
312. burst balloons
May 28, 2024
51-n-queens
- #backtracking
May 27, 2024
759. employee free time
May 25, 2024
1307. verbal arithmetic puzzle
May 25, 2024
365. water and jug problem
- #bfs
May 24, 2024
907. sum of subarray minimums
May 23, 2024
1136. parallel courses
- #bfs
- #topological-sort
May 23, 2024
1756. design most recently used queue
- #array
May 23, 2024
2265. count nodes equal to average of subtree
- #binary-tree
May 23, 2024
833. find and replace in string
May 22, 2024
2316. count unreachable pairs of nodes in an undirected graph
May 22, 2024
655. print binary tree
- #binary-tree
May 22, 2024
85. maximal rectangle
- #monotonic-stack
May 21, 2024
975. odd even jump
May 20, 2024
2863. maximum length of semi-decreasing subarrays
May 20, 2024
496. next greater element i
- #monotonic-stack
- #hashmap
May 20, 2024
503. next greater element ii
- #monotonic-stack
- #array
May 20, 2024
716. max stack
May 19, 2024
1042. flower planting with no adjacent
- #graph
May 19, 2024
1101. the earliest moment when everyone become friends
- #union-find
May 19, 2024
2184. number of ways to build sturdy brick wall
- #dfs
- #dp
May 19, 2024
2402. meeting rooms iii
May 19, 2024
359. logger rate limiter
- #hashmap
May 19, 2024
939. minimum area rectangle
- #geometry
- #sorting
May 18, 2024
1825. finding mk average
May 18, 2024
715. range module
- #intervals
- #binary-search
May 17, 2024
1851. minimum interval to include each query
May 16, 2024
115. distinct subsequences
May 15, 2024
2013. detect squares
Apr 28, 2024
18. 4sum
Apr 28, 2024
688. knight probability in chessboard
- #bfs
Apr 28, 2024
739. daily temperatures
- #monotonic-stack
Apr 22, 2024
1079. letter tile possibilities
- #backtracking
Apr 20, 2024
1035. uncrossed lines
- #backtracking
- #dp
Apr 17, 2024
1288. remove covered intervals
Apr 17, 2024
2466. count ways to build good strings
Apr 17, 2024
322. coin change
- #dp
Apr 12, 2024
1162. as far from land as possible
- #bfs
Apr 12, 2024
122. best time to buy and sell stock ii
- #array
Apr 04, 2024
926. flip string to monotone increasing
- #dp
- #prefix-sums
Apr 04, 2024
946. validate stack sequences
Mar 30, 2024
2139. maximum twin sum of a linked list
- #linked-list
Mar 30, 2024
2439. minimize array value
Mar 29, 2024
261. graph valid tree
- #graph
Mar 29, 2024
66. plus one
Mar 27, 2024
124. binary tree maximum path sum
- #binary-tree
Mar 24, 2024
127. word ladder
- #bfs
- #graph
Mar 20, 2024
23. merge k sorted lists
Mar 19, 2024
239. sliding window maximum
- #sliding-window
- #heap
Mar 16, 2024
4. median of two sorted arrays
- #binary-search
- #array
Mar 15, 2024
72. edit distance
Mar 11, 2024
97. interleaving string
Mar 09, 2024
494. target sum
- #dp
- #memoization
Mar 07, 2024
309: best time to buy and sell stock with cooldown
Mar 04, 2024
1143. longest common subsequence
- #dp
Mar 03, 2024
62. unique paths
- #dp
Mar 02, 2024
678-valid-parenthesis-string
- #greedy
- #memoization
Mar 01, 2024
763. partition labels
Feb 29, 2024
1899. merge triplets to form target triplet
- #greedy
- #array
Feb 29, 2024
704. binary search
- #binary-search
Feb 28, 2024
134. gas station
- #greedy
- #array
Feb 28, 2024
846. hand of straights
Feb 26, 2024
45. jump game ii
Feb 25, 2024
55. jump game
Feb 24, 2024
430. flatten a multilevel doubly linked list
- #linked-list
- #dfs
Feb 24, 2024
49. group anagrams
Feb 24, 2024
564. find the closest palindrome
- #math
- #string

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