leetcode-cn

module
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Directories

Path Synopsis
9
15-3sum
16-3sum-closest
18-4sum
454-4sum-ii
542-01-matrix
650-2-keys-keyboard
717-1-bit-and-2-bit-characters
A
1162-as-far-from-land-as-possible
1305-all-elements-in-two-binary-search-trees
1357-apply-discount-every-n-orders
1488-avoid-flood-in-the-city
1491-average-salary-excluding-the-minimum-and-maximum-salary
1604-alert-using-same-key-card-three-or-more-times-in-a-one-hour-period
1630-arithmetic-subarrays
1701-average-waiting-time
2-add-two-numbers
2119-a-number-after-a-double-reversal
2155-all-divisions-with-the-highest-score-of-a-binary-array
2235-add-two-integers
258-add-digits
306-additive-number
413-arithmetic-slices
415-add-strings
432-all-oone-data-structure
441-arranging-coins
445-add-two-numbers-ii
455-assign-cookies
561-array-partition-i
565-array-nesting
5814-add-minimum-number-of-rungs
623-add-one-row-to-tree
637-average-of-levels-in-binary-tree
67-add-binary
721-accounts-merge
735-asteroid-collision
797-all-paths-from-source-to-target
816-ambiguous-coordinates
863-all-nodes-distance-k-in-binary-tree
870-advantage-shuffle
894-all-possible-full-binary-trees
954-array-of-doubled-pairs
989-add-to-array-form-of-integer
999-available-captures-for-rook
interview0306-animal-shelter-lcci
interview1701-add-without-plus-lcci
B
1014-best-sightseeing-pair
1016-binary-string-with-substrings-representing-1-to-n
1018-binary-prefix-divisible-by-5
102-binary-tree-level-order-traversal
103-binary-tree-zigzag-level-order-traversal
1038-binary-search-tree-to-greater-sum-tree
107-binary-tree-level-order-traversal-ii
110-balanced-binary-tree
1145-binary-tree-coloring-game
121-best-time-to-buy-and-sell-stock
122-best-time-to-buy-and-sell-stock-ii
124-binary-tree-maximum-path-sum
1328-break-a-palindrome
144-binary-tree-preorder-traversal
1441-build-an-array-with-stack-operations
145-binary-tree-postorder-traversal
173-binary-search-tree-iterator
199-binary-tree-right-side-view
201-bitwise-and-of-numbers-range
224-basic-calculator
227-basic-calculator-ii
2347-best-poker-hand
257-binary-tree-paths
299-bulls-and-cows
309-best-time-to-buy-and-sell-stock-with-cooldown
312-burst-balloons
401-binary-watch
419-battleships-in-a-board
504-base-7
526-beautiful-arrangement
554-brick-wall
563-binary-tree-tilt
5800-build-array-from-permutation
667-beautiful-arrangement-ii
672-bulb-switcher-ii
682-baseball-game
693-binary-number-with-alternating-bits
704-binary-search
814-binary-tree-pruning
815-bus-routes
823-binary-trees-with-factors
844-backspace-string-compare
859-buddy-strings
868-binary-gap
881-boats-to-save-people
930-binary-subarrays-with-sum
94-binary-tree-inorder-traversal
991-broken-calculator
LCP18
interview0502-bianry-number-to-string-lcci
interview0809-bracket-lcci
interview0814-boolean-evaluation-lcci
interview1712-binode-lcci
interview20-biao-shi-shu-zhi-de-zi-fu-chuan-lcof
interview30-bao-han-minhan-shu-de-zhan-lcof
interview45-ba-shu-zu-pai-cheng-zui-xiao-de-shu-lcof
interview46-ba-shu-zi-fan-yi-cheng-zi-fu-chuan-lcof
interview61-bu-ke-pai-zhong-de-shun-zi-lcof
interview65-bu-yong-jia-jian-cheng-chu-zuo-jia-fa-lcof
interview67-ba-zi-fu-chuan-zhuan-huan-cheng-zheng-shu-lcof
C
1003-check-if-word-is-valid-after-substitutions
1008-construct-binary-search-tree-from-preorder-traversal
1009-complement-of-base-10-integer
1023-camelcase-matching
1034-coloring-a-border
105-construct-binary-tree-from-preorder-and-inorder-traversal
108-convert-sorted-array-to-binary-search-tree
109-convert-sorted-list-to-binary-search-tree
11-container-with-most-water
1170-compare-strings-by-frequency-of-the-smallest-character
1177-can-make-palindrome-from-substring
1220-count-vowels-permutation
1232-check-if-it-is-a-straight-line
1238-circular-permutation-in-binary-representation
1248-count-number-of-nice-subarrays
1252-cells-with-odd-values-in-a-matrix
1277-count-square-submatrices-with-all-ones
1290-convert-binary-number-in-a-linked-list-to-integer
1317-convert-integer-to-the-sum-of-two-no-zero-integers
133-clone-graph
1346-check-if-n-and-its-double-exist
1351-count-negative-numbers-in-a-sorted-matrix
1354-construct-target-array-with-multiple-sums
1386-cinema-seat-allocation
1389-create-target-array-in-the-given-order
1395-count-number-of-teams
1399-count-largest-group
1437-check-if-all-1s-are-at-least-length-k-places-away
1442-count-triplets-that-can-form-two-arrays-of-equal-xor
1446-consecutive-characters
1448-count-good-nodes-in-binary-tree
1455-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence
1461-check-if-a-string-contains-all-binary-codes-of-size-k
1502-can-make-arithmetic-progression-from-sequence
1504-count-submatrices-with-all-ones
1523-count-odd-numbers-in-an-interval-range
1534-count-good-triplets
1583-count-unhappy-friends
1598-crawler-log-folder
1640-check-array-formation-through-concatenation
1641-count-sorted-vowel-strings
165-compare-version-numbers
1662-check-if-two-string-arrays-are-equivalent
1680-concatenation-of-consecutive-binary-numbers
1684-count-the-number-of-consistent-strings
1711-count-good-meals
1716-calculate-money-in-leetcode-bank
1744-can-you-eat-your-favorite-candy-on-your-favorite-day
1752-check-if-array-is-sorted-and-rotated
1780-check-if-number-is-a-sum-of-powers-of-three
1814-count-nice-pairs-in-an-array
1905-count-sub-islands
2022-convert-1d-array-into-2d-array
204-count-primes
2042-check-if-numbers-are-ascending-in-a-sentence
2044-count-number-of-maximum-bitwise-or-subsets
2049-count-nodes-with-the-highest-score
2062-count-vowel-substrings-of-a-string
2068-check-whether-two-strings-are-almost-equivalent
207-course-schedule
2085-count-common-words-with-one-occurrence
210-course-schedule-ii
2124-check-if-all-as-appears-before-all-bs
2129-capitalize-the-title
2133-check-if-every-row-and-column-contains-all-numbers
2148-count-elements-with-strictly-smaller-and-greater-elements
216-combination-sum-iii
2169-count-operations-to-obtain-zero
217-contains-duplicate
2176-count-equal-and-divisible-pairs-in-an-array
2180-count-integers-with-even-digit-sum
2185-counting-words-with-a-given-prefix
219-contains-duplicate-ii
2194-cells-in-a-range-on-an-excel-sheet
2196-create-binary-tree-from-descriptions
220-contains-duplicate-iii
2201-count-artifacts-that-can-be-extracted
222-count-complete-tree-nodes
2243-calculate-digit-sum-of-a-string
2255-count-prefixes-of-a-given-string
2265-count-nodes-equal-to-average-of-subtree
2283-check-if-number-has-equal-digit-count-and-digit-value
2303-calculate-amount-paid-in-taxes
2315-count-asterisks
2319-check-if-matrix-is-x-matrix
2399-check-distances-between-same-letters
2476-closest-nodes-queries-in-a-binary-search-tree
2641-cousins-in-binary-tree-ii
315-count-of-smaller-numbers-after-self
322-coin-change
338-counting-bits
357-count-numbers-with-unique-digits
377-combination-sum-iv
38-count-and-say
39-combination-sum
40-combination-sum-ii
405-convert-a-number-to-hexadecimal
427-construct-quad-tree
457-circular-array-loop
464-can-i-win
466-count-the-repetitions
472-concatenated-words
492-construct-the-rectangle
518-coin-change-2
523-continuous-subarray-sum
525-contiguous-array
537-complex-number-multiplication
538-convert-bst-to-greater-tree
5625-count-of-matches-in-tournament
5697-check-if-binary-string-has-at-most-one-segment-of-ones
5734-check-if-the-sentence-is-pangram
5767-check-if-all-the-integers-in-a-range-are-covered
5772-check-if-word-equals-summation-of-two-words
5792-count-square-sum-triples
5798-cyclically-rotating-a-grid
5804-check-if-all-characters-have-equal-number-of-occurrences
5808-concatenation-of-array
5817-check-if-a-string-is-decomposble-to-value-equal-substrings
5827-check-if-move-is-legal
5838-check-if-string-is-a-prefix-of-array
5859-count-number-of-pairs-with-absolute-difference-k
5863-count-special-quadruplets
605-can-place-flowers
606-construct-string-from-binary-tree
675-cut-off-trees-for-golf-event
696-count-binary-substrings
70-climbing-stairs
77-combinations
787-cheapest-flights-within-k-stops
791-custom-sort-string
828-count-unique-characters-of-all-substrings-of-a-given-string
829-consecutive-numbers-sum
889-construct-binary-tree-from-preorder-and-postorder-traversal
903-cousins-in-binary-tree
919-complete-binary-tree-inserter
958-check-completeness-of-a-binary-tree
LCP22-ccw6C7
interview0102-check-permutation-lcci
interview0106-compress-string-lcci
interview0404-check-balance-lcci
interview0410-check-subtree-lcci
interview0504-closed-number-lcci
interview0506-convert-integer-lcci
interview06-cong-wei-dao-tou-da-yin-lian-biao-lcof
interview0810-color-fill-lcci
interview0811-coin-lcci
interview1617-contiguous-sequence-lcci
interview1626-calculator-lcci
interview32-i-cong-shang-dao-xia-da-yin-er-cha-shu-lcof
interview32-ii-cong-shang-dao-xia-da-yin-er-cha-shu-ii-lcof
interview32-iii-cong-shang-dao-xia-da-yin-er-cha-shu-iii-lcof
interview49-chou-shu-lcof
lcp07-chuan-di-xin-xi
D
1025-divisor-game
1089-duplicate-zeros
1103-distribute-candies-to-people
1108-defanging-an-ip-address
1110-delete-nodes-and-return-forest
1154-day-of-the-year
1184-distance-between-bus-stops
1185-day-of-the-week
1302-deepest-leaves-sum
1309-decrypt-string-from-alphabet-to-integer-mapping
1313-decompress-run-length-encoded-list
1325-delete-leaves-with-a-given-value
1424-diagonal-traverse-ii
1436-destination-city
1472-design-browser-history
1566-detect-pattern-of-length-m-repeated-k-or-more-times
1570-dot-product-of-two-sparse-vectors
1603-design-parking-system
1652-defuse-the-bomb
1704-determine-if-string-halves-are-alike
1720-decode-xored-array
174-dungeon-game
1797-design-authentication-manager
1886-determine-whether-matrix-can-be-obtained-by-rotation
2013-detect-squares
211-design-add-and-search-words-data-structure
2138-divide-a-string-into-groups-of-size-k
2206-divide-array-into-equal-pairs
2241-design-an-atm-machine
2325-decode-the-message
237-delete-node-in-a-linked-list
241-different-ways-to-add-parentheses
2816-double-a-number-represented-as-a-linked-list
29-divide-two-integers
352-data-stream-as-disjoint-intervals
355-design-twitter
394-decode-string
450-delete-node-in-a-bst
498-diagonal-traverse
5193-delete-characters-to-make-fancy-string
520-detect-capital
5389-display-table-of-food-orders-in-a-restaurant
543-diameter-of-binary-tree
5601-design-an-ordered-stream
575-distribute-candies
5806-describe-the-painting
583-delete-operation-for-two-strings
5943-delete-the-middle-node-of-a-linked-list
622-design-circular-queue
639-decode-ways-ii
641-design-circular-deque
649-dota2-senate
697-degree-of-an-array
705-design-hashset
706-design-hashmap
707-design-linked-list
739-daily-temperatures
740-delete-and-earn
790-domino-and-tromino-tiling
91-decode-ways
942-di-string-match
944-delete-columns-to-make-sorted
979-distribute-coins-in-binary-tree
interview0203-delete-middle-node-lcci
interview0508-draw-line-lcci
interview1611-diving-board-lcci
interview17-da-yin-cong-1dao-zui-da-de-nwei-shu-lcof
interview21-diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof
interview28-dui-cheng-de-er-cha-shu-lcof
interview50-di-yi-ge-zhi-chu-xian-yi-ci-de-zi-fu-lcof
interview59-ii-dui-lie-de-zui-da-zhi-lcof
lcp02-deep-dark-fraction
E
1287-element-appearing-more-than-25-in-sorted-array
150-evaluate-reverse-polish-notation
1609-even-odd-tree
168-excel-sheet-column-title
171-excel-sheet-column-number
1807-evaluate-the-bracket-pairs-of-a-string
2120-execution-of-all-suffix-instructions-staying-in-a-grid
2331-evaluate-boolean-binary-tree
282-expression-add-operators
390-elimination-game
535-encode-and-decode-tinyurl
636-exclusive-time-of-functions
690-employee-importance
72-edit-distance
855-exam-room
interview04-er-wei-shu-zu-zhong-de-cha-zhao-lcof
interview0507-exchange-lcci
interview15-er-jin-zhi-zhong-1de-ge-shu-lcof
interview1608-english-int-lcci
interview27-er-cha-shu-de-jing-xiang-lcof
interview33-er-cha-sou-suo-shu-de-hou-xu-bian-li-xu-lie-lcof
interview34-er-cha-shu-zhong-he-wei-mou-yi-zhi-de-lu-jing-lcof
interview54-er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof
interview55-i-er-cha-shu-de-shen-du-lcof
F
1002-find-common-characters
1042-flower-planting-with-no-adjacent
1095-find-in-mountain-array
114-flatten-binary-tree-to-linked-list
1160-find-words-that-can-be-formed-by-characters
1237-find-positive-integer-solution-for-a-given-equation
1261-find-elements-in-a-contaminated-binary-tree
1275-find-winner-on-a-tic-tac-toe-game
1295-find-numbers-with-even-number-of-digits
1304-find-n-unique-integers-sum-up-to-zero
1333-filter-restaurants-by-vegan-friendly-price-and-distance
1371-find-the-longest-substring-containing-vowels-in-even-counts
1385-find-the-distance-value-between-two-arrays
1394-find-lucky-integer-in-an-array
1414-find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k
1449-form-largest-integer-with-digits-that-add-up-to-target
1475-final-prices-with-a-special-discount-in-a-shop
1506-find-root-of-n-ary-tree
153-find-minimum-in-rotated-sorted-array
154-find-minimum-in-rotated-sorted-array-ii
1545-find-kth-bit-in-nth-binary-string
1606-find-servers-that-handled-most-number-of-requests
162-find-peak-element
166-fraction-to-recurring-decimal
172-factorial-trailing-zeroes
1738-find-kth-largest-xor-coordinate-value
1779-find-nearest-point-that-has-the-same-x-or-y-coordinate
1838-frequency-of-the-most-frequent-element
1865-finding-pairs-with-a-certain-sum
1901-find-a-peak-element-ii
1971-find-if-path-exists-in-graph
2007-find-original-array-from-doubled-array
2011-final-value-of-variable-after-performing-operations
2028-find-missing-observations
2058-find-the-minimum-and-maximum-number-of-nodes-between-critical-points
2089-find-target-indices-after-sorting-array
2094-finding-3-digit-even-numbers
2099-find-subsequence-of-length-k-with-the-largest-sum
2100-find-good-days-to-rob-the-bank
2108-find-first-palindromic-string-in-the-array
2156-find-substring-with-given-hash-value
2177-find-three-consecutive-integers-that-sum-to-a-given-number
2200-find-all-k-distant-indices-in-an-array
2215-find-the-difference-of-two-arrays
2217-find-palindrome-with-fixed-length
2221-find-triangular-sum-of-an-array
2239-find-closest-number-to-zero
2269-find-the-k-beauty-of-a-number
2273-find-resultant-array-after-removing-anagrams
2351-first-letter-to-appear-twice
2769-find-the-maximum-achievable-number
2831-find-the-longest-equal-subarray
287-find-the-duplicate-number
295-find-median-from-data-stream
34-find-first-and-last-position-of-element-in-sorted-array
366-find-leaves-of-binary-tree
373-find-k-pairs-with-smallest-sums
387-first-unique-character-in-a-string
389-find-the-difference
403-frog-jump
41-first-missing-positive
412-fizz-buzz
436-find-right-interval
438-find-all-anagrams-in-a-string
442-find-all-duplicates-in-an-array
448-find-all-numbers-disappeared-in-an-array
501-find-mode-in-binary-search-tree
509-fibonacci-number
513-find-bottom-left-tree-value
515-find-largest-value-in-each-tree-row
547-friend-circles
5723-finding-the-users-active-minutes
5727-find-the-winner-of-the-circular-game
5768-find-the-student-that-will-replace-the-chalk
5847-find-all-groups-of-farmland
5850-find-greatest-common-divisor-of-array
5851-find-unique-binary-string
5855-find-the-kth-largest-integer-in-the-array
5864-find-the-middle-index-in-array
592-fraction-addition-and-subtraction
609-find-duplicate-file-in-system
652-find-duplicate-subtrees
658-find-k-closest-elements
699-falling-squares
719-find-k-th-smallest-pair-distance
724-find-pivot-index
733-flood-fill
744-find-smallest-letter-greater-than-target
802-find-eventual-safe-states
825-friends-of-appropriate-ages
832-flipping-an-image
833-find-and-replace-in-string
888-fair-candy-swap
890-find-and-replace-pattern
904-fruit-into-baskets
951-flip-equivalent-binary-trees
997-find-the-town-judge
interview0408-first-common-ancestor-lcci
interview10-i-fei-bo-na-qi-shu-lie-lcof
interview1605-factorial-zeros-lcci
interview1710-find-majority-element-lcci
interview1711-find-closest-lcci
interview24-fan-zhuan-lian-biao-lcof
interview35-fu-za-lian-biao-de-fu-zhi-lcof
interview58-i-fan-zhuan-dan-ci-shun-xu-lcof
G
1001-grid-illumination
1071-greatest-common-divisor-of-strings
1262-greatest-sum-divisible-by-three
1282-group-the-people-given-the-group-size-they-belong-to
134-gas-station
1374-generate-a-string-with-characters-that-have-odd-counts
1646-get-maximum-in-generated-array
1678-goal-parser-interpretation
22-generate-parentheses
2309-greatest-english-letter-in-upper-and-lower-case
289-game-of-life
374-guess-number-higher-or-lower
375-guess-number-higher-or-lower-ii
478-generate-random-point-in-a-circle
49-group-anagrams
5882-grid-game
824-goat-latin
89-gray-code
893-groups-of-special-equivalent-strings
interview1002-group-anagrams-lcci
interview1709-get-kth-magic-number-lcci
interview63-gu-piao-de-zui-da-li-run-lcof
interview66-gou-jian-cheng-ji-shu-zu-lcof
lcp01-guess-numbers
H
1051-height-checker
1365-how-many-numbers-are-smaller-than-the-current-number
198-house-robber
202-happy-number
213-house-robber-ii
274-h-index
275-h-index-ii
337-house-robber-iii
461-hamming-distance
475-heaters
846-hand-of-straights
interview25-he-bing-liang-ge-pai-xu-de-lian-biao-lcof
interview57-he-wei-sde-liang-ge-shu-zi-lcof
interview57-ii-he-wei-sde-lian-xu-zheng-shu-xu-lie-lcof
interview59-i-hua-dong-chuang-kou-de-zui-da-zhi-lcof
I
1080-insufficient-nodes-in-root-to-leaf-paths
1169-invalid-transactions
12-integer-to-roman
1370-increasing-decreasing-string
147-insertion-sort-list
160-intersection-of-two-linked-lists
205-isomorphic-strings
208-implement-trie-prefix-tree
2248-intersection-of-multiple-arrays
225-implement-stack-using-queues
226-invert-binary-tree
232-implement-queue-using-stacks
273-integer-to-english-words
28-implement-strstr
2807-insert-greatest-common-divisors-in-linked-list
334-increasing-triplet-subsequence
343-integer-break
349-intersection-of-two-arrays
350-intersection-of-two-arrays-ii
380-insert-delete-getrandom-o1
381-insert-delete-getrandom-o1-duplicates-allowed
392-is-subsequence
397-integer-replacement
463-island-perimeter
470-implement-rand10-using-rand7
491-increasing-subsequences
502-ipo
57-insert-interval
5743-incremental-memory-leak
661-image-smoother
676-implement-magic-dictionary
701-insert-into-a-binary-search-tree
785-is-graph-bipartite
897-increasing-order-search-tree
97-interleaving-string
986-interval-list-intersections
interview0101-is-unique-lcci
interview0207-intersection-of-two-linked-lists-lcci
interview0304-implement-queue-using-stacks-lcci
interview0501-insert-into-bits-lcci
interview0806-hanota-lcci
interview1603-intersection-lcci
interview1707-baby-names-lcci
interview1721-volume-of-histogram-lcci
J
1306-jump-game-iii
1345-jump-game-iv
45-jump-game-ii
55-jump-game
771-jewels-and-stones
LCS01-Ju9Xwi
interview12-ju-zhen-zhong-de-lu-jing-lcof
interview13-ji-qi-ren-de-yun-dong-fan-wei-lcof
interview14-i-jian-sheng-zi-lcof
interview14-ii-jian-sheng-zi-ii-lcof
lcp08-ju-qing-hong-fa-shi-jian
K
1431-kids-with-the-greatest-number-of-candies
1539-kth-missing-positive-number
2053-kth-distinct-string-in-an-array
2090-k-radius-subarray-averages
215-kth-largest-element-in-an-array
2154-keep-multiplying-found-values-by-two
230-kth-smallest-element-in-a-bst
2583-kth-largest-sum-in-a-binary-tree
378-kth-smallest-element-in-a-sorted-matrix
440-k-th-smallest-in-lexicographical-order
500-keyboard-row
532-k-diff-pairs-in-an-array
668-kth-smallest-number-in-multiplication-table
688-knight-probability-in-chessboard
703-kth-largest-element-in-a-stream
779-k-th-symbol-in-grammar
786-k-th-smallest-prime-fraction
841-keys-and-rooms
875-koko-eating-bananas
973-k-closest-points-to-origin
interview0202-kth-node-from-end-of-list-lcci
L
1046-last-stone-weight
1049-last-stone-weight-ii
1090-largest-values-from-labels
1123-lowest-common-ancestor-of-deepest-leaves
1139-largest-1-bordered-square
1218-longest-arithmetic-subsequence-of-given-difference
128-longest-consecutive-sequence
1367-linked-list-in-binary-tree
1372-longest-zigzag-path-in-a-binary-tree
1380-lucky-numbers-in-a-matrix
14-longest-common-prefix
141-linked-list-cycle
146-lru-cache
1493-longest-subarray-of-1s-after-deleting-one-element
1503-last-moment-before-all-ants-fall-out-of-a-plank
1624-largest-substring-between-two-equal-characters
1650-lowest-common-ancestor-of-a-binary-tree-iii
17-letter-combinations-of-a-phone-number
179-largest-number
1869-longer-contiguous-segments-of-ones-than-zeros
1895-largest-magic-square
2231-largest-number-after-digit-swaps-by-parity
2264-largest-3-same-digit-number-in-string
235-lowest-common-ancestor-of-a-binary-search-tree
236-lowest-common-ancestor-of-a-binary-tree
3-longest-substring-without-repeating-characters
300-longest-increasing-subsequence
32-longest-valid-parentheses
329-longest-increasing-path-in-a-matrix
368-largest-divisible-subset
382-linked-list-random-node
386-lexicographical-numbers
395-longest-substring-with-at-least-k-repeating-characters
409-longest-palindrome
460-lfu-cache
479-largest-palindrome-product
482-license-key-formatting
5-longest-palindromic-substring
521-longest-uncommon-subsequence-i
524-longest-word-in-dictionary-through-deleting
558-logical-or-of-two-binary-grids-represented-as-quad-trees
5740-longest-substring-of-all-vowels-in-order
5788-largest-odd-number-in-string
58-length-of-last-word
5824-largest-number-after-mutating-substring
594-longest-harmonious-subsequence
674-longest-continuous-increasing-subsequence
687-longest-univalue-path
720-longest-word-in-dictionary
747-largest-number-at-least-twice-of-others
764-largest-plus-sign
784-letter-case-permutation
812-largest-triangle-area
817-linked-list-components
84-largest-rectangle-in-histogram
845-longest-mountain-in-array
851-loud-and-rich
860-lemonade-change
872-leaf-similar-trees
873-length-of-longest-fibonacci-subsequence
925-long-pressed-name
976-largest-perimeter-triangle
LCOF-II-001
LCOF-II-002
LCOF-II-003
LCOF-II-004
LCOF-II-005
LCOF-II-006
LCOF-II-008
LCOF-II-010
LCOF-II-011
LCOF-II-012
LCOF-II-013
LCOF-II-016
LCOF-II-018
LCOF-II-019
LCOF-II-020
LCOF-II-021
LCOF-II-022
LCOF-II-023
LCOF-II-024
LCOF-II-025
LCOF-II-027
LCOF-II-028
LCOF-II-029
LCOF-II-032
LCOF-II-033
LCOF-II-034
LCOF-II-036
LCOF-II-038
LCOF-II-041
LCOF-II-042
LCOF-II-043
LCOF-II-044
LCOF-II-045
LCOF-II-046
LCOF-II-047
LCOF-II-048
LCOF-II-049
LCOF-II-050
LCOF-II-052
LCOF-II-053
LCOF-II-054
LCOF-II-055
LCOF-II-056
LCOF-II-059
LCOF-II-060
LCOF-II-063
LCOF-II-068
LCOF-II-069
LCOF-II-070
LCOF-II-072
LCOF-II-073
LCOF-II-074
LCOF-II-075
LCOF-II-077
LCOF-II-079
LCOF-II-084
LCOF-II-085
LCOF-II-087
LCOF-II-088
LCOF-II-091
LCOF-II-092
LCOF-II-093
LCOF-II-098
LCOF-II-100
LCOF-II-101
LCOF-II-103
LCOF-II-105
LCOF-II-107
LCOF-II-118
LCP11
LCP28
LCP30
LCP33
LCP39
LCP40
LCP41
LCP44
LCP46
LCP50
LCP51
LCP55
LCP61
LCP62
LCP66
LCP67
interview0208-linked-list-cycle-lcci
interview0403-list-of-depth-lcci
interview0405-legal-binary-search-tree-lcci
interview1610-living-people-lcci
interview1625-lru-cache-lcci
interview22-lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof
interview42-lian-xu-zi-shu-zu-de-zui-da-he-lcof
interview47-li-wu-de-zui-da-jie-zhi-lcof
interview52-liang-ge-lian-biao-de-di-yi-ge-gong-gong-jie-dian-lcof
LCP
ai-ydzy/ai-ydzy-9x55t7
ai-ydzy/ai-ydzy-9x5fu5
espressif/espressif-5wtfrd
M
1005-maximize-sum-of-array-after-k-negations
1026-maximum-difference-between-node-and-ancestor
1030-matrix-cells-in-distance-order
1031-maximum-sum-of-two-non-overlapping-subarrays
1033-moving-stones-until-consecutive
104-maximum-depth-of-binary-tree
111-minimum-depth-of-binary-tree
1111-maximum-nesting-depth-of-two-valid-parentheses-strings
1130-minimum-cost-tree-from-leaf-values
1161-maximum-level-sum-of-a-binary-tree
1189-maximum-number-of-balloons
1200-minimum-absolute-difference
1217-minimum-cost-to-move-chips-to-the-same-position
1239-maximum-length-of-a-concatenated-string-with-unique-characters
1249-minimum-remove-to-make-valid-parentheses
1266-minimum-time-visiting-all-points
1274-minimum-swaps-to-make-strings-equal
1323-maximum-69-number
1347-minimum-number-of-steps-to-make-two-strings-anagram
1403-minimum-subsequence-in-non-increasing-order
1413-minimum-value-to-get-positive-step-by-step-sum
1419-minimum-number-of-frogs-croaking
1422-maximum-score-after-splitting-a-string
1460-make-two-arrays-equal-by-reversing-sub-arrays
1464-maximum-product-of-two-elements-in-an-array
1465-maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts
149-max-points-on-a-line
1509-minimum-difference-between-largest-and-smallest-value-in-three-moves
152-maximum-product-subarray
1544-make-the-string-great
155-min-stack
1551-minimum-operations-to-make-array-equal
1557-minimum-number-of-vertices-to-reach-all-nodes
1560-most-visited-sector-in-a-circular-track
1561-maximum-number-of-coins-you-can-get
1567-maximum-length-of-subarray-with-positive-product
1572-matrix-diagonal-sum
1589-maximum-sum-obtained-of-any-permutation
1590-make-sum-divisible-by-p
1610-maximum-number-of-visible-points
1614-maximum-nesting-depth-of-the-parentheses
1619-mean-of-array-after-removing-some-elements
164-maximum-gap
1647-minimum-deletions-to-make-character-frequencies-unique
1668-maximum-repeating-substring
1669-merge-in-between-linked-lists
1679-max-number-of-k-sum-pairs
169-majority-element
1702-maximum-binary-string-after-change
1705-maximum-number-of-eaten-apples
1710-maximum-units-on-a-truck
1765-map-of-highest-peak
1785-minimum-elements-to-add-to-form-a-given-sum
1792-maximum-average-pass-ratio
1798-maximum-number-of-consecutive-values-you-can-make
1818-minimum-absolute-sum-difference
1824-minimum-sideway-jumps
1827-minimum-operations-to-make-the-array-increasing
1854-maximum-population-year
1855-maximum-distance-between-a-pair-of-values
1870-minimum-speed-to-arrive-on-time
1874-minimize-product-sum-of-two-arrays
1898-maximum-number-of-removable-characters
1906-minimum-absolute-difference-queries
1911-maximum-alternating-subsequence-sum
1954-minimum-garden-perimeter-to-collect-enough-apples
2027-minimum-moves-to-convert-string
2037-minimum-number-of-moves-to-seat-everyone
2059-minimum-operations-to-convert-number
2070-most-beautiful-item-for-each-query
2087-minimum-cost-homecoming-of-a-robot-in-a-grid
209-minimum-size-subarray-sum
21-merge-two-sorted-lists
2114-maximum-number-of-words-found-in-sentences
2130-maximum-twin-sum-of-a-linked-list
2144-minimum-cost-of-buying-candies-with-discount
2160-minimum-sum-of-four-digit-number-after-splitting-digits
2181-merge-nodes-in-between-zeros
2190-most-frequent-number-following-key-in-an-array
221-maximal-square
2220-minimum-bit-flips-to-convert-number
2274-maximum-consecutive-floors-without-special-floors
229-majority-element-ii
2293-min-max-game
23-merge-k-sorted-lists
2341-maximum-number-of-pairs-in-array
2357-make-array-zero-by-subtracting-equal-amounts
268-missing-number
283-move-zeroes
310-minimum-height-trees
318-maximum-product-of-word-lengths
385-mini-parser
4-median-of-two-sorted-arrays
421-maximum-xor-of-two-numbers-in-an-array
43-multiply-strings
433-minimum-genetic-mutation
453-minimum-moves-to-equal-array-elements
462-minimum-moves-to-equal-array-elements-ii
473-matchsticks-to-square
481-magical-string
485-max-consecutive-ones
508-most-frequent-subtree-sum
5161-maximum-number-of-words-you-can-type
529-minesweeper
53-maximum-subarray
530-minimum-absolute-difference-in-bst
539-minimum-time-difference
559-maximum-depth-of-n-ary-tree
56-merge-intervals
5719-maximum-xor-for-each-query
5732-maximum-element-after-decreasing-and-rearranging
5735-maximum-ice-cream-bars
5746-minimum-distance-to-the-target-element
5755-minimize-maximum-pair-sum-in-array
5760-minimum-number-of-swaps-to-make-the-binary-string-alternating
5773-maximum-value-after-insertion
5785-merge-triplets-to-form-target-triplet
5797-maximum-product-difference-between-two-pairs
5825-maximum-compatibility-score-sum
5834-minimum-time-to-type-word-using-special-typewriter
5840-minimum-number-of-swaps-to-make-the-string-balanced
5854-minimum-difference-between-highest-and-lowest-of-k-scores
5881-maximum-difference-between-increasing-elements
599-minimum-index-sum-of-two-lists
617-merge-two-binary-trees
628-maximum-product-of-three-numbers
64-minimum-path-sum
643-maximum-average-subarray-i
646-maximum-length-of-pair-chain
654-maximum-binary-tree
662-maximum-width-of-binary-tree
670-maximum-swap
677-map-sum-pairs
695-max-area-of-island
718-maximum-length-of-repeated-subarray
729-my-calendar-i
731-my-calendar-ii
732-my-calendar-iii
738-monotone-increasing-digits
746-min-cost-climbing-stairs
76-minimum-window-substring
769-max-chunks-to-make-sorted
783-minimum-distance-between-bst-nodes
807-max-increase-to-keep-city-skyline
819-most-common-word
826-most-profit-assigning-work
827-making-a-large-island
831-masking-personal-information
840-magic-squares-in-grid
849-maximize-distance-to-closest-person
85-maximal-rectangle
876-middle-of-the-linked-list
88-merge-sorted-array
895-maximum-frequency-stack
896-monotonic-array
921-minimum-add-to-make-parentheses-valid
945-minimum-increment-to-make-array-unique
983-minimum-cost-for-tickets
998-maximum-binary-tree-ii
interview0302-min-stack-lcci
interview0402-minimum-height-tree-lcci
interview0803-magic-index-lcci
interview1607-maximum-lcci
interview1615-master-mind-lcci
interview1704-missing-number-lcci
interview1717-multi-search-lcci
interview1719-missing-two-lcci
interview1723-max-black-square-lcci
N
1019-next-greater-node-in-linked-list
1020-number-of-enclaves
1128-number-of-equivalent-domino-pairs
1137-n-th-tribonacci-number
1178-number-of-valid-words-for-each-puzzle
1319-number-of-operations-to-make-network-connected
1342-number-of-steps-to-reduce-a-number-to-zero
1360-number-of-days-between-two-dates
1450-number-of-students-doing-homework-at-a-given-time
1512-number-of-good-pairs
1513-number-of-substrings-with-only-1s
1530-number-of-good-leaf-nodes-pairs
1700-number-of-students-unable-to-eat-lunch
1725-number-of-rectangles-that-can-form-the-largest-square
1801-number-of-orders-in-the-backlog
191-number-of-1-bits
200-number-of-islands
2023-number-of-pairs-of-strings-with-concatenation-equal-to-target
2047-number-of-valid-words-in-a-sentence
2125-number-of-laser-beams-in-a-bank
2367-number-of-arithmetic-triplets
2437-number-of-valid-clock-times
292-nim-game
31-next-permutation
400-nth-digit
429-n-ary-tree-level-order-traversal
434-number-of-segments-in-a-string
447-number-of-boomerangs
476-number-complement
496-next-greater-element-i
503-next-greater-element-ii
556-next-greater-element-iii
5793-nearest-exit-from-entrance-in-maze
5843-number-of-strings-that-appear-as-substrings-in-word
589-n-ary-tree-preorder-traversal
590-n-ary-tree-postorder-traversal
600-non-negative-integers-without-consecutive-ones
665-non-decreasing-array
743-network-delay-time
792-number-of-matching-subsequences
806-number-of-lines-to-write-string
837-new-21-game
933-number-of-recent-calls
961-n-repeated-element-in-size-2n-array
967-numbers-with-same-consecutive-differences
LCP06-na-ying-bi
interview60-nge-tou-zi-de-dian-shu-lcof
O
1078-occurrences-after-bigram
328-odd-even-linked-list
576-out-of-boundary-paths
5848-operations-on-tree
899-orderly-queue
901-online-stock-span
911-online-election
interview0105-one-away-lcci
P
1010-pairs-of-songs-with-total-durations-divisible-by-60
1013-partition-array-into-three-parts-with-equal-sum
1104-path-in-zigzag-labelled-binary-tree
112-path-sum
113-path-sum-ii
1175-prime-arrangements
118-pascals-triangle
119-pascals-triangle-ii
1219-path-with-maximum-gold
1265-print-immutable-linked-list-in-reverse
131-palindrome-partitioning
1457-pseudo-palindromic-paths-in-a-binary-tree
1496-path-crossing
1631-path-with-minimum-effort
1689-partitioning-into-minimum-number-of-deci-binary-numbers
2055-plates-between-candles
2161-partition-array-according-to-given-pivot
2278-percentage-of-letter-in-string
231-power-of-two
234-palindrome-linked-list
238-product-of-array-except-self
279-perfect-squares
284-peeking-iterator
326-power-of-three
336-palindrome-pairs
342-power-of-four
416-partition-equal-subset-sum
437-path-sum-iii
46-permutations
47-permutations-ii
471-pacific-atlantic-water-flow
486-predict-the-winner
50-powx-n
507-perfect-number
567-permutation-in-string
60-permutation-sequence
647-palindromic-substrings
655-print-binary-tree
66-plus-one
698-partition-to-k-equal-sum-subsets
745-prefix-and-suffix-search
762-prime-number-of-set-bits-in-binary-representation
763-partition-labels
793-preimage-size-of-factorial-zeroes-function
830-positions-of-large-groups
838-push-dominoes
852-peak-index-in-a-mountain-array
86-partition-list
879-profitable-schemes
883-projection-area-of-3d-shapes
886-possible-bipartition
9-palindrome-number
915-partition-array-into-disjoint-intervals
969-pancake-sorting
970-powerful-integers
interview0104-palindrome-permutation-lcci
interview0204-partition-list-lcci
interview0206-palindrome-linked-list-lcci
interview0412-paths-with-sum-lcci
interview0804-power-set-lcci
interview0807-permutation-i-lcci
interview0808-permutation-ii-lcci
interview1011-peaks-and-valleys-lcci
interview1618-pattern-matching-lcci
interview1619-pond-sizes-lcci
interview1624-pairs-with-sum-lcci
interview55-ii-ping-heng-er-cha-shu-lcof
Q
1222-queens-that-can-attack-the-king
1409-queries-on-a-permutation-with-key
1828-queries-on-number-of-points-inside-a-circle
406-queue-reconstruction-by-height
LCP17
interview10-ii-qing-wa-tiao-tai-jie-wen-ti-lcof
interview53-ii-que-shi-de-shu-zi-lcof
interview64-qiu-12n-lcof
R
10-regular-expression-matching
1021-remove-outermost-parentheses
1028-recover-a-tree-from-preorder-traversal
1047-remove-all-adjacent-duplicates-in-string
1122-relative-sort-array
1171-remove-zero-sum-consecutive-nodes-from-linked-list
1190-reverse-substrings-between-each-pair-of-parentheses
1209-remove-all-adjacent-duplicates-in-string-ii
1234-replace-the-substring-for-balanced-string
1288-remove-covered-intervals
1299-replace-elements-with-greatest-element-on-right-side
13-roman-to-integer
1331-rank-transform-of-an-array
1332-remove-palindromic-subsequences
1338-reduce-array-size-to-the-half
1366-rank-teams-by-votes
1402-reducing-dishes
1417-reformat-the-string
143-reorder-list
1451-rearrange-words-in-a-sentence
1466-reorder-routes-to-make-all-paths-lead-to-the-city-zero
1480-running-sum-of-1d-array
1507-reformat-date
151-reverse-words-in-a-string
157-read-n-characters-given-read4
1576-replace-all-s-to-avoid-consecutive-repeating-characters
1672-richest-customer-wealth
1694-reformat-phone-number
1743-restore-the-array-from-adjacent-pairs
187-repeated-dna-sequences
189-rotate-array
19-remove-nth-node-from-end-of-list
190-reverse-bits
1910-remove-all-occurrences-of-a-substring
203-remove-linked-list-elements
2038-remove-colored-pieces-if-both-neighbors-are-the-same-color
206-reverse-linked-list
2074-reverse-nodes-in-even-length-groups
2080-range-frequency-queries
2091-removing-minimum-and-maximum-from-array
2103-rings-and-rods
2149-rearrange-array-elements-by-sign
223-rectangle-area
2236-root-equals-sum-of-children
2287-rearrange-characters-to-make-target-string
2415-reverse-odd-levels-of-binary-tree
2487-remove-nodes-from-linked-list
25-reverse-nodes-in-k-group
26-remove-duplicates-from-sorted-array
27-remove-element
301-remove-invalid-parentheses
303-range-sum-query-immutable
304-range-sum-query-2d-immutable
344-reverse-string
345-reverse-vowels-of-a-string
354-russian-doll-envelopes
383-ransom-note
396-rotate-function
402-remove-k-digits
423-reconstruct-original-digits-from-english
459-repeated-substring-pattern
48-rotate-image
497-random-point-in-non-overlapping-rectangles
506-relative-ranks
519-random-flip-matrix
528-random-pick-with-weight
541-reverse-string-ii
5519-rearrange-spaces-between-words
557-reverse-words-in-a-string-iii
566-reshape-the-matrix
5730-replace-all-digits-with-characters
5744-rotating-the-box
5780-remove-one-element-to-make-the-array-strictly-increasing
5784-redistribute-characters-to-make-all-strings-equal
5839-remove-stones-to-minimize-the-total
598-range-addition-ii
61-rotate-list
648-replace-words
657-robot-return-to-origin
684-redundant-connection
686-repeated-string-match
7-reverse-integer
710-random-pick-with-blacklist
722-remove-comments
754-reach-a-number
780-reaching-points
788-rotated-digits
796-rotate-string
80-remove-duplicates-from-sorted-array-ii
82-remove-duplicates-from-sorted-list-ii
83-remove-duplicates-from-sorted-list
836-rectangle-overlap
869-reordered-power-of-2
917-reverse-only-letters
92-reverse-linked-list-ii
93-restore-ip-addresses
937-reorder-data-in-log-files
938-range-sum-of-bst
950-reveal-cards-in-increasing-order
959-regions-cut-by-slashes
99-recover-binary-search-tree
994-rotting-oranges
interview0201-remove-duplicate-node-lcci
interview0401-route-between-nodes-lcci
interview0503-reverse-bits-lcci
interview0802-robot-in-a-grid-lcci
interview0805-recursive-mulitply-lcci
interview1010-rank-from-stream-lcci
interview1713-re-space-lcci
S
100-same-tree
101-symmetric-tree
1022-sum-of-root-to-leaf-binary-numbers
1032-stream-of-characters
1091-shortest-path-in-binary-matrix
1221-split-a-string-in-balanced-strings
1260-shift-2d-grid
1281-subtract-the-product-and-sum-of-digits-of-an-integer
129-sum-root-to-leaf-numbers
130-surrounded-regions
1300-sum-of-mutated-array-closest-to-target
1315-sum-of-nodes-with-even-valued-grandparent
1329-sort-the-matrix-diagonally
1356-sort-integers-by-the-number-of-1-bits
136-single-number
137-single-number-ii
1387-sort-integers-by-the-power-value
1408-string-matching-in-an-array
1470-shuffle-the-array
1476-subrectangle-queries
148-sort-list
1528-shuffle-string
1582-special-positions-in-a-binary-matrix
1593-split-a-string-into-the-max-number-of-unique-substrings
1608-special-array-with-x-elements-greater-than-or-equal-x
1616-split-two-strings-to-make-palindrome
1636-sort-array-by-increasing-frequency
1648-sell-diminishing-valued-colored-balls
1721-swapping-nodes-in-a-linked-list
1781-sum-of-beauty-of-all-substrings
1863-sum-of-all-subset-xor-totals
1927-sum-game
1945-sum-of-digits-of-string-after-convert
2012-sum-of-beauty-in-the-array
2034-stock-price-fluctuation
2043-simple-bank-system
2057-smallest-index-with-equal-value
2104-sum-of-subarray-ranges
214-shortest-palindrome
2164-sort-even-and-odd-indices-independently
2165-smallest-value-of-the-rearranged-number
228-summary-ranges
2299-strong-password-checker-ii
239-sliding-window-maximum
24-swap-nodes-in-pairs
240-search-a-2d-matrix-ii
2413-smallest-even-multiple
2418-sort-the-people
260-single-number-iii
297-serialize-and-deserialize-binary-tree
33-search-in-rotated-sorted-array
35-search-insert-position
371-sum-of-two-integers
384-shuffle-an-array
404-sum-of-left-leaves
443-string-compression
449-serialize-and-deserialize-bst
451-sort-characters-by-frequency
480-sliding-window-median
483-smallest-good-base
54-spiral-matrix
540-single-element-in-a-sorted-array
5503-sum-of-all-odd-length-subarrays
551-student-attendance-record-i
552-student-attendance-record-ii
5546-slowest-key
560-subarray-sum-equals-k
572-subtree-of-another-tree
5726-sign-of-the-product-of-an-array
5731-seat-reservation-manager
5738-sum-of-digits-in-base-k
5742-sorting-the-sentence
5747-splitting-a-string-into-descending-consecutive-values
5754-substrings-of-size-three-with-distinct-characters
581-shortest-unsorted-continuous-subarray
59-spiral-matrix-ii
632-smallest-range-covering-elements-from-k-lists
633-sum-of-square-numbers
638-shopping-offers
640-solve-the-equation
645-set-mismatch
671-second-minimum-node-in-a-binary-tree
69-sqrtx
700-search-in-a-binary-search-tree
71-simplify-path
713-subarray-product-less-than-k
725-split-linked-list-in-parts
728-self-dividing-numbers
73-set-matrix-zeroes
74-search-a-2d-matrix
748-shortest-completing-word
75-sort-colors
777-swap-adjacent-in-lr-string
78-subsets
798-smallest-rotation-with-highest-score
8-string-to-integer-atoi
808-soup-servings
81-search-in-rotated-sorted-array-ii
811-subdomain-visit-count
820-short-encoding-of-words
821-shortest-distance-to-a-character
839-similar-string-groups
842-split-array-into-fibonacci-sequence
856-score-of-parentheses
861-score-after-flipping-matrix
865-smallest-subtree-with-all-the-deepest-nodes
877-stone-game
887-super-egg-drop
891-sum-of-subsequence-widths
892-surface-area-of-3d-shapes
90-subsets-ii
905-sort-array-by-parity
907-sum-of-subarray-minimums
908-smallest-range-i
912-sort-an-array
922-sort-array-by-parity-ii
934-shortest-bridge
974-subarray-sums-divisible-by-k
977-squares-of-a-sorted-array
984-string-without-aaa-or-bbb
985-sum-of-even-numbers-after-queries
988-smallest-string-starting-from-leaf
990-satisfiability-of-equality-equations
interview0103-string-to-url-lcci
interview0109-string-rotation-lcci
interview0205-sum-lists-lcci
interview03-shu-zu-zhong-zhong-fu-de-shu-zi-lcof
interview0303-stack-of-plates-lcci
interview0305-sort-of-stacks-lcci
interview0406-successor-lcci
interview1001-sorted-merge-lcci
interview1003-search-rotate-array-lcci
interview1005-sparse-array-search-lcci
interview1009-sorted-matrix-search-lcci
interview16-shu-zhi-de-zheng-shu-ci-fang-lcof
interview1601-swap-numbers-lcci
interview1606-smallest-difference-lcci
interview1616-sub-sort-lcci
interview1621-sum-swap-lcci
interview1714-smallest-k-lcci
interview1718-shortest-supersequence-lcci
interview1726-sparse-similarity-lcci
interview18-shan-chu-lian-biao-de-jie-dian-lcof
interview26-shu-de-zi-jie-gou-lcof
interview29-shun-shi-zhen-da-yin-ju-zhen-lcof
interview39-shu-zu-zhong-chu-xian-ci-shu-chao-guo-yi-ban-de-shu-zi-lcof
interview41-shu-ju-liu-zhong-de-zhong-wei-shu-lcof
interview44-shu-zi-xu-lie-zhong-mou-yi-wei-de-shu-zi-lcof
interview51-shu-zu-zhong-de-ni-xu-dui-lcof
interview56-i-shu-zu-zhong-shu-zi-chu-xian-de-ci-shu-lcof
interview56-ii-shu-zu-zhong-shu-zi-chu-xian-de-ci-shu-ii-lcof
T
1-two-sum
120-triangle
1337-the-k-weakest-rows-in-a-matrix
1376-time-needed-to-inform-all-employees
1471-the-k-strongest-values-in-an-array
1492-the-kth-factor-of-n
1550-three-consecutive-odds
1556-thousand-separator
1600-throne-inheritance
167-two-sum-ii-input-array-is-sorted
170-two-sum-iii-data-structure-design
1766-tree-of-coprimes
2032-two-out-of-three
2039-the-time-when-the-network-becomes-idle
2073-time-needed-to-buy-tickets
2078-two-furthest-houses-with-different-colors
218-the-skyline-problem
347-top-k-frequent-elements
414-third-maximum-number
42-trapping-rain-water
477-total-hamming-distance
494-target-sum
495-teemo-attacking
5722-truncate-sentence
5805-the-number-of-the-smallest-unoccupied-chair
5830-three-divisors
5864-the-number-of-weak-characters-in-the-game
621-task-scheduler
653-two-sum-iv-input-is-a-bst
669-trim-a-binary-search-tree
68-text-justification
692-top-k-frequent-words
709-to-lower-case
766-toeplitz-matrix
867-transpose-matrix
981-time-based-key-value-store
interview0301-three-in-one-lcci
interview05-ti-huan-kong-ge-lcof
interview0801-three-steps-problem-lcci
interview1604-tic-tac-toe-lcci
interview1620-t9-lcci
interview1716-the-masseuse-lcci
U
1207-unique-number-of-occurrences
263-ugly-number
264-ugly-number-ii
393-utf-8-validation
467-unique-substrings-in-wraparound-string
5809-unique-length-3-palindromic-subsequences
62-unique-paths
63-unique-paths-ii
804-unique-morse-code-words
884-uncommon-words-from-two-sentences
929-unique-email-addresses
95-unique-binary-search-trees-ii
96-unique-binary-search-trees
965-univalued-binary-tree
V
1024-video-stitching
1037-valid-boomerang
125-valid-palindrome
1361-validate-binary-tree-nodes
20-valid-parentheses
242-valid-anagram
331-verify-preorder-serialization-of-a-binary-tree
36-valid-sudoku
367-valid-perfect-square
408-valid-word-abbreviation
468-validate-ip-address
593-valid-square
65-valid-number
678-valid-parenthesis-string
680-valid-palindrome-ii
794-valid-tic-tac-toe-state
941-valid-mountain-array
946-validate-stack-sequences
953-verifying-an-alien-dictionary
98-validate-binary-search-tree
987-vertical-order-traversal-of-a-binary-tree
W
126-word-ladder-ii
127-word-ladder
139-word-break
140-word-break-ii
1518-water-bottles
1637-widest-vertical-area-between-two-points-containing-no-points
1664-ways-to-make-a-fair-array
2079-watering-plants
212-word-search-ii
290-word-pattern
324-wiggle-sort-ii
365-water-and-jug-problem
376-wiggle-subsequence
44-wildcard-matching
5210-where-will-the-ball-fall
79-word-search
874-walking-robot-simulation
LCS02-WqXACV
interview1602-words-frequency-lcci
interview1722-word-transformer-lcci
X
1310-xor-queries-of-a-subarray
1486-xor-operation-in-an-array
914-x-of-a-kind-in-a-deck-of-cards
interview11-xuan-zhuan-shu-zu-de-zui-xiao-shu-zi-lcof
Y
LCS03-YesdPw
interview09-yong-liang-ge-zhan-shi-xian-dui-lie-lcof
interview62-yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof
Z
6-zigzag-conversion
interview07-zhong-jian-er-cha-shu-lcof
interview19-zheng-ze-biao-da-shi-pi-pei-lcof
interview31-zhan-de-ya-ru-dan-chu-xu-lie-lcof
interview38-zi-fu-chuan-de-pai-lie-lcof
interview40-zui-xiao-de-kge-shu-lcof
interview48-zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof
interview53-i-zai-pai-xu-shu-zu-zhong-cha-zhao-shu-zi-lcof
interview58-ii-zuo-xuan-zhuan-zi-fu-chuan-lcof

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