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LeetCode
1-two-sum
2-add-two-numbers
3-longest-substring-without-repeating-characters
4-median-of-two-sorted-arrays
5-longest-palindromic-substring
6-zigzag-conversion
7-reverse-integer
8-string-to-integer-atoi
9-palindrome-number
10-regular-expression-matching
11-container-with-most-water
12-integer-to-roman
13-roman-to-integer
14-longest-common-prefix
15-3sum
16-3sum-closest
17-letter-combinations-of-a-phone-number
18-4sum
19-remove-nth-node-from-end-of-list
20-valid-parentheses
21-merge-two-sorted-lists
22-generate-parentheses
23-merge-k-sorted-lists
24-swap-nodes-in-pairs
26-remove-duplicates-from-sorted-array
27-remove-element
28-find-the-index-of-the-first-occurrence-in-a-string
29-divide-two-integers
31-next-permutation
34-find-first-and-last-position-of-element-in-sorted-array
35-search-insert-position
36-valid-sudoku
38-count-and-say
39-combination-sum
40-combination-sum-ii
41-first-missing-positive
42-trapping-rain-water
43-multiply-strings
45-jump-game-ii
46-permutations
47-permutations-ii
48-rotate-image
49-group-anagrams
50-powx-n
51-n-queens
52-n-queens-ii
53-maximum-subarray
54-spiral-matrix
55-jump-game
56-merge-intervals
57-insert-interval
58-length-of-last-word
59-spiral-matrix-ii
61-rotate-list
62-unique-paths
63-unique-paths-ii
64-minimum-path-sum
65-valid-number
66-plus-one
67-add-binary
69-sqrtx
70-climbing-stairs
71-simplify-path
73-set-matrix-zeroes
74-search-a-2d-matrix
75-sort-colors
76-minimum-window-substring
77-combinations
78-subsets
79-word-search
80-remove-duplicates-from-sorted-array-ii
81-search-in-rotated-sorted-array-ii
83-remove-duplicates-from-sorted-list
84-largest-rectangle-in-histogram
85-maximal-rectangle
86-partition-list
88-merge-sorted-array
89-gray-code
92-reverse-linked-list-ii
93-restore-ip-addresses
94-binary-tree-inorder-traversal
96-unique-binary-search-trees
290-word-pattern
292-nim-game
295-find-median-from-data-stream
299-bulls-and-cows
300-longest-increasing-subsequence
303-range-sum-query-immutable
337-house-robber-iii
338-counting-bits
341-flatten-nested-list-iterator
342-power-of-four
344-reverse-string
345-reverse-vowels-of-a-string
347-top-k-frequent-elements
349-intersection-of-two-arrays
350-intersection-of-two-arrays-ii
355-design-twitter
367-valid-perfect-square
368-largest-divisible-subset
371-sum-of-two-integers
373-find-k-pairs-with-smallest-sums
374-guess-number-higher-or-lower
377-combination-sum-iv
378-kth-smallest-element-in-a-sorted-matrix
380-insert-delete-getrandom-o1
383-ransom-note
386-lexicographical-numbers
387-first-unique-character-in-a-string
389-find-the-difference
392-is-subsequence
401-binary-watch
402-remove-k-digits
404-sum-of-left-leaves
405-convert-a-number-to-hexadecimal
407-trapping-rain-water-ii
409-longest-palindrome
412-fizz-buzz
414-third-maximum-number
415-add-strings
416-partition-equal-subset-sum
417-pacific-atlantic-water-flow
419-battleships-in-a-board
424-longest-repeating-character-replacement
434-number-of-segments-in-a-string
435-non-overlapping-intervals
440-k-th-smallest-in-lexicographical-order
441-arranging-coins
442-find-all-duplicates-in-an-array
448-find-all-numbers-disappeared-in-an-array
451-sort-characters-by-frequency
452-minimum-number-of-arrows-to-burst-balloons
454-4sum-ii
455-assign-cookies
459-repeated-substring-pattern
461-hamming-distance
463-island-perimeter
470-implement-rand10-using-rand7
474-ones-and-zeroes
475-heaters
482-license-key-formatting
485-max-consecutive-ones
492-construct-the-rectangle
494-target-sum
495-teemo-attacking
496-next-greater-element-i
498-diagonal-traverse
500-keyboard-row
501-find-mode-in-binary-search-tree
502-ipo
504-base-7
506-relative-ranks
507-perfect-number
509-fibonacci-number
511-game-play-analysis-i
513-find-bottom-left-tree-value
515-find-largest-value-in-each-tree-row
520-detect-capital
521-longest-uncommon-subsequence-i
523-continuous-subarray-sum
525-contiguous-array
530-minimum-absolute-difference-in-bst
535-encode-and-decode-tinyurl
539-minimum-time-difference
541-reverse-string-ii
542-01-matrix
543-diameter-of-binary-tree
547-number-of-provinces
551-student-attendance-record-i
552-student-attendance-record-ii
557-reverse-words-in-a-string-iii
559-maximum-depth-of-n-ary-tree
560-subarray-sum-equals-k
561-array-partition
563-binary-tree-tilt
564-find-the-closest-palindrome
566-reshape-the-matrix
567-permutation-in-string
572-subtree-of-another-tree
575-distribute-candies
577-employee-bonus
584-find-customer-referee
586-customer-placing-the-largest-number-of-orders
589-n-ary-tree-preorder-traversal
590-n-ary-tree-postorder-traversal
592-fraction-addition-and-subtraction
594-longest-harmonious-subsequence
595-big-countries
596-classes-more-than-5-students
598-range-addition-ii
599-minimum-index-sum-of-two-lists
605-can-place-flowers
606-construct-string-from-binary-tree
607-sales-person
610-triangle-judgement
611-valid-triangle-number
617-merge-two-binary-trees
619-biggest-single-number
620-not-boring-movies
621-task-scheduler
623-add-one-row-to-tree
627-swap-salary
628-maximum-product-of-three-numbers
632-smallest-range-covering-elements-from-k-lists
633-sum-of-square-numbers
637-average-of-levels-in-binary-tree
641-design-circular-deque
643-maximum-average-subarray-i
645-set-mismatch
648-replace-words
650-2-keys-keyboard
653-two-sum-iv-input-is-a-bst
657-robot-return-to-origin
661-image-smoother
664-strange-printer
670-maximum-swap
671-second-minimum-node-in-a-binary-tree
673-number-of-longest-increasing-subsequence
674-longest-continuous-increasing-subsequence
678-valid-parenthesis-string
679-24-game
680-valid-palindrome-ii
682-baseball-game
684-redundant-connection
693-binary-number-with-alternating-bits
696-count-binary-substrings
700-search-in-a-binary-search-tree
701-insert-into-a-binary-search-tree
703-kth-largest-element-in-a-stream
704-binary-search
705-design-hashset
706-design-hashmap
709-to-lower-case
712-minimum-ascii-delete-sum-for-two-strings
713-subarray-product-less-than-k
714-best-time-to-buy-and-sell-stock-with-transaction-fee
717-1-bit-and-2-bit-characters
719-find-k-th-smallest-pair-distance
724-find-pivot-index
725-split-linked-list-in-parts
726-number-of-atoms
728-self-dividing-numbers
729-my-calendar-i
733-flood-fill
739-daily-temperatures
740-delete-and-earn
744-find-smallest-letter-greater-than-target
746-min-cost-climbing-stairs
747-largest-number-at-least-twice-of-others
748-shortest-completing-word
756-pyramid-transition-matrix
757-set-intersection-size-at-least-two
762-prime-number-of-set-bits-in-binary-representation
763-partition-labels
766-toeplitz-matrix
771-jewels-and-stones
778-swim-in-rising-water
779-k-th-symbol-in-grammar
781-rabbits-in-forest
783-minimum-distance-between-bst-nodes
785-is-graph-bipartite
790-domino-and-tromino-tiling
791-custom-sort-string
796-rotate-string
799-champagne-tower
802-find-eventual-safe-states
804-unique-morse-code-words
806-number-of-lines-to-write-string
808-soup-servings
812-largest-triangle-area
819-most-common-word
821-shortest-distance-to-a-character
824-goat-latin
826-most-profit-assigning-work
830-positions-of-large-groups
832-flipping-an-image
834-sum-of-distances-in-tree
836-rectangle-overlap
837-new-21-game
838-push-dominoes
840-magic-squares-in-grid
844-backspace-string-compare
846-hand-of-straights
853-car-fleet
859-buddy-strings
860-lemonade-change
862-shortest-subarray-with-sum-at-least-k
865-smallest-subtree-with-all-the-deepest-nodes
867-transpose-matrix
868-binary-gap
869-reordered-power-of-2
872-leaf-similar-trees
873-length-of-longest-fibonacci-subsequence
874-walking-robot-simulation
875-koko-eating-bananas
876-middle-of-the-linked-list
880-decoded-string-at-index
881-boats-to-save-people
883-projection-area-of-3d-shapes
884-uncommon-words-from-two-sentences
885-spiral-matrix-iii
886-possible-bipartition
888-fair-candy-swap
892-surface-area-of-3d-shapes
894-all-possible-full-binary-trees
896-monotonic-array
897-increasing-order-search-tree
898-bitwise-ors-of-subarrays
899-orderly-queue
904-fruit-into-baskets
905-sort-array-by-parity
908-smallest-range-i
909-snakes-and-ladders
912-sort-an-array
914-x-of-a-kind-in-a-deck-of-cards
916-word-subsets
917-reverse-only-letters
921-minimum-add-to-make-parentheses-valid
922-sort-array-by-parity-ii
925-long-pressed-name
929-unique-email-addresses
930-binary-subarrays-with-sum
931-minimum-falling-path-sum
933-number-of-recent-calls
935-knight-dialer
938-range-sum-of-bst
941-valid-mountain-array
942-di-string-match
944-delete-columns-to-make-sorted
945-minimum-increment-to-make-array-unique
947-most-stones-removed-with-same-row-or-column
948-bag-of-tokens
950-reveal-cards-in-increasing-order
951-flip-equivalent-binary-trees
953-verifying-an-alien-dictionary
960-delete-columns-to-make-sorted-iii
961-n-repeated-element-in-size-2n-array
962-maximum-width-ramp
965-univalued-binary-tree
966-vowel-spellchecker
974-subarray-sums-divisible-by-k
976-largest-perimeter-triangle
977-squares-of-a-sorted-array
979-distribute-coins-in-binary-tree
988-smallest-string-starting-from-leaf
989-add-to-array-form-of-integer
992-subarrays-with-k-different-integers
993-cousins-in-binary-tree
995-minimum-number-of-k-consecutive-bit-flips
997-find-the-town-judge
999-available-captures-for-rook
2872-maximum-number-of-k-divisible-components
2873-maximum-value-of-an-ordered-triplet-i
2874-maximum-value-of-an-ordered-triplet-ii
2877-create-a-dataframe-from-list
2878-get-the-size-of-a-dataframe
2879-display-the-first-three-rows
2880-select-data
2881-create-a-new-column
2882-drop-duplicate-rows
2884-modify-columns
2886-change-data-type
2894-divisible-and-non-divisible-sums-difference
2900-longest-unequal-adjacent-groups-subsequence-i
2901-longest-unequal-adjacent-groups-subsequence-ii
2914-minimum-number-of-changes-to-make-binary-string-beautiful
2918-minimum-equal-sum-of-two-arrays-after-replacing-zeros
2923-find-champion-i
2924-find-champion-ii
2928-distribute-candies-among-children-i
2929-distribute-candies-among-children-ii
2938-separate-black-and-white-balls
2941-divide-players-into-teams-of-equal-skill
2942-find-words-containing-character
2948-make-lexicographically-smallest-array-by-swapping-elements
2952-minimum-number-of-coins-to-be-added
2958-length-of-longest-subarray-with-at-most-k-frequency
2962-count-subarrays-where-max-element-appears-at-least-k-times
2965-find-missing-and-repeated-values
2966-divide-array-into-arrays-with-max-difference
2971-find-polygon-with-the-largest-perimeter
2974-minimum-number-game
2997-minimum-number-of-operations-to-make-array-xor-equal-to-k
2999-count-the-number-of-powerful-integers
maximum-area-of-longest-diagonal-rectangle
310-minimum-height-trees
3005-count-elements-with-maximum-frequency
3010-divide-an-array-into-subarrays-with-minimum-cost-i
3011-find-if-array-can-be-sorted
3014-minimum-number-of-pushes-to-type-word-i
3016-minimum-number-of-pushes-to-type-word-ii
3021-alice-and-bob-playing-flower-game
3024-type-of-triangle
find-the-number-of-ways-to-place-people-i
3027-find-the-number-of-ways-to-place-people-ii
3028-ant-on-the-boundary
3034-number-of-subarrays-that-match-a-pattern-i
3042-count-prefix-and-suffix-pairs-i
3043-find-the-length-of-the-longest-common-prefix
3046-split-the-array
3066-minimum-operations-to-exceed-threshold-value-ii
3074-apple-redistribution-into-boxes
3075-maximize-happiness-of-selected-children
3092-most-frequent-ids
3100-water-bottles-ii
3105-longest-strictly-increasing-or-strictly-decreasing-subarray
3106-lexicographically-smallest-string-after-operations-with-constraint
3107-minimum-operations-to-make-median-of-array-equal-to-k
3110-score-of-a-string
3115-maximum-prime-difference
3116-kth-smallest-amount-with-single-denomination-combination
3120-count-the-number-of-special-characters-i
3121-count-the-number-of-special-characters-ii
3122-minimum-number-of-operations-to-satisfy-conditions
3132-find-the-integer-added-to-array-ii
3133-minimum-array-end
3136-valid-word
3138-minimum-length-of-anagram-concatenation
3146-permutation-difference-between-two-strings
3147-taking-maximum-energy-from-the-mystic-dungeon
3151-special-array-i
3152-special-array-ii
3153-sum-of-digit-differences-of-all-pairs
3161-find-the-number-of-distinct-colors-among-the-balls
3163-string-compression-iii
3168-minimum-number-of-chairs-in-a-waiting-room
3169-count-days-without-meetings
3170-lexicographically-minimum-string-after-removing-stars
3174-clear-digits
3178-find-the-child-who-has-the-ball-after-k-seconds
3179-find-the-n-th-value-after-k-seconds
3180-maximum-total-reward-using-operations-i
3181-design-a-stack-with-increment-operation
3184-count-pairs-that-form-a-complete-day-i
3185-count-pairs-that-form-a-complete-day-ii
3190-find-minimum-operations-to-make-all-elements-divisible-by-three
3191-minimum-operations-to-make-binary-array-elements-equal-to-one-i
3192-minimum-operations-to-make-binary-array-elements-equal-to-one-ii
3194-minimum-average-of-smallest-and-largest-elements
find-the-minimum-area-to-cover-all-ones-i
32-longest-valid-parentheses
33-search-in-rotated-sorted-array
100-same-tree
101-symmetric-tree
104-maximum-depth-of-binary-tree
108-convert-sorted-array-to-binary-search-tree
109-convert-sorted-list-to-binary-search-tree
110-balanced-binary-tree
111-minimum-depth-of-binary-tree
112-path-sum
114-flatten-binary-tree-to-linked-list
118-pascals-triangle
119-pascals-triangle-ii
120-triangle
121-best-time-to-buy-and-sell-stock
122-best-time-to-buy-and-sell-stock-ii
124-binary-tree-maximum-path-sum
125-valid-palindrome
129-sum-root-to-leaf-numbers
134-gas-station
135-candy
136-single-number
137-single-number-ii
138-copy-list-with-random-pointer
140-word-break-ii
141-linked-list-cycle
143-reorder-list
144-binary-tree-preorder-traversal
145-binary-tree-postorder-traversal
146-lru-cache
148-sort-list
151-reverse-words-in-a-string
155-min-stack
160-intersection-of-two-linked-lists
165-compare-version-numbers
166-fraction-to-recurring-decimal
167-two-sum-ii-input-array-is-sorted
168-excel-sheet-column-title
169-majority-element
171-excel-sheet-column-number
175-combine-two-tables
179-largest-number
181-employees-earning-more-than-their-managers
182-combine-two-tables
183-customers-who-never-order
187-repeated-dna-sequences
189-rotate-array
190-reverse-bits
191-number-of-1-bits
193-valid-phone-numbers
194-transpose-file
195-tenth-line
196-delete-duplicate-emails
197-rising-temperature
198-house-robber
200-number-of-islands
201-bitwise-and-of-numbers-range
202-happy-number
203-remove-linked-list-elements
205-isomorphic-strings
206-reverse-linked-list
207-course-schedule
210-course-schedule-ii
211-maximal-square
212-word-search-ii
213-house-robber-ii
214-shortest-palindrome
215-kth-largest-element-in-an-array
217-contains-duplicate
219-contains-duplicate-ii
222-count-complete-tree-nodes
225-implement-stack-using-queues
226-invert-binary-tree
228-summary-ranges
229-majority-element-ii
231-power-of-two
232-implement-queue-using-stacks
233-number-of-digit-one
234-palindrome-linked-list
237-delete-node-in-a-linked-list
238-product-of-array-except-self
239-sliding-window-maximum
242-valid-anagram
257-binary-tree-paths
258-add-digits
260-single-number-iii
263-ugly-number
264-ugly-number-ii
268-missing-number
273-integer-to-english-words
274-h-index
278-first-bad-version
279-perfect-squares
283-move-zeroes
287-find-the-duplicate-number
322-coin-change
326-power-of-three
330-patching-array
1002-find-common-characters
1004-max-consecutive-ones-iii
1005-maximize-sum-of-array-after-k-negations
1007-minimum-domino-rotations-for-equal-row
1009-complement-of-base-10-integer
1010-pairs-of-songs-with-total-durations-divisible-by-60
1013-partition-array-into-three-parts-with-equal-sum
1014-best-sightseeing-pair
1015-smallest-integer-divisible-by-k
1018-binary-prefix-divisible-by-5
1021-remove-outermost-parentheses
1022-sum-of-root-to-leaf-binary-numbers
1025-divisor-game
1026-maximum-difference-between-node-and-ancestor
1027-longest-arithmetic-subsequence
1028-recover-a-tree-from-preorder-traversal
1030-matrix-cells-in-distance-order
1037-valid-boomerang
1039-minimum-score-triangulation-of-polygon
1043-partition-array-for-maximum-sum
1046-last-stone-weight
1047-remove-all-adjacent-duplicates-in-string
1050-actors-and-directors-who-cooperated-at-least-three-times
1051-height-checker
1052-grumpy-bookstore-owner
1054-distant-barcodes
1061-lexicographically-smallest-equivalent-string
1068-product-sales-analysis-i
1071-greatest-common-divisor-of-strings
1072-flip-columns-for-maximum-number-of-equal-rows
1075-project-employees-i
1078-occurrences-after-bigram
1079-letter-tile-possibilities
1084-sales-analysis-iii
1089-duplicate-zeros
1103-distribute-candies-to-people
1105-filling-bookcase-shelves
1106-parsing-a-boolean-expression
1108-defanging-an-ip-address
1114-print-in-order
1115-print-foobar-alternately
1122-relative-sort-array
1123-lowest-common-ancestor-of-deepest-leaves
1128-number-of-equivalent-domino-pairs
1137-n-th-tribonacci-number
1140-stone-game-ii
1141-user-activity-for-the-past-30-days-i
1143-longest-common-subsequence
1148-article-views-i
1154-day-of-the-years
1161-maximum-level-sum-of-a-binary-tree
1171-remove-zero-sum-consecutive-nodes-from-linked-list
1184-distance-between-bus-stops
1185-day-of-the-week
1187-make-array-strictly-increasing
1189-maximum-number-of-balloons
1200-minimum-absolute-difference
1201-ugly-number-iii
1207-unique-number-of-occurrences
1208-get-equal-substrings-within-budget
1221-split-a-string-in-balanced-strings
1232-check-if-it-is-a-straight-line
1233-remove-sub-folders-from-the-filesystem
1248-count-number-of-nice-subarrays
1249-minimum-remove-to-make-valid-parentheses
1251-average-selling-price
1255-maximum-score-words-formed-by-letters
1261-find-elements-in-a-contaminated-binary-tree
1262-greatest-sum-divisible-by-three
1266-minimum-time-visiting-all-points
1277-count-square-submatrices-with-all-ones
1280-students-and-examinations
1287-element-appearing-more-than-25-in-sorted-array
1289-minimum-falling-path-sum-ii
1290-convert-binary-number-in-a-linked-list-to-integer
1295-minimum-cost-to-make-at-least-one-valid-path-in-a-grid
1304-find-n-unique-integers-sum-up-to-zero
1310-xor-queries-of-a-subarray
1317-convert-integer-to-the-sum-of-two-no-zero-integers
1318-minimum-flips-to-make-a-or-b-equal-to-c
1323-maximum-69-number
1329-sort-the-matrix-diagonally
1331-rank-transform-of-an-array
1334-find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance
1337-the-k-weakest-rows-in-a-matrix
1339-maximum-product-of-splitted-binary-tree
1342-number-of-steps-to-reduce-a-number-to-zero
1346-check-if-n-and-its-double-exist
1351-count-negative-numbers-in-a-sorted-matrix
1352-product-of-the-last-k-numbers
1353-maximum-number-of-events-that-can-be-attended
1354-construct-target-array-with-multiple-sums
1356-sort-integers-by-the-number-of-1-bits
1358-number-of-substrings-containing-all-three-characters
1359-count-all-valid-pickup-and-delivery-options
1365-how-many-numbers-are-smaller-than-the-current-number
1367-linked-list-in-binary-tree
1371-find-the-longest-substring-containing-vowels-in-even-counts
1374-generate-a-string-with-characters-that-have-odd-counts
1376-time-needed-to-inform-all-employees
1377-frog-position-after-t-seconds
1378-replace-employee-id-with-the-unique-identifier
1380-lucky-numbers-in-a-matrix
1381-design-a-stack-with-increment-operation
1382-balance-a-binary-search-tree
1390-four-divisors
1394-find-lucky-integer-in-an-array
1395-count-number-of-teams
1399-count-largest-group
1400-construct-k-palindrome-strings
1404-number-of-steps-to-reduce-a-number-in-binary-representation-to-one
1405-longest-happy-string
1408-string-matching-in-an-array
1411-number-of-ways-to-paint-n-3-grid
1415-the-k-th-lexicographical-string-of-all-happy-strings-of-length-n
1422-maximum-score-after-splitting-a-string
1431-kids-with-the-greatest-number-of-candies
1432-max-difference-you-can-get-from-changing-an-integer
1436-destination-city
1437-check-if-all-1s-are-at-least-length-k-places-away
1438-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit
1442-count-triplets-that-can-form-two-arrays-of-equal-xor
1455-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence
1456-maximum-number-of-vowels-in-a-substring-of-given-length
1458-max-dot-product-of-two-subsequences
1460-make-two-arrays-equal-by-reversing-subarrays
1462-course-schedule-iv
1464-maximum-product-of-two-elements-in-an-array
1470-shuffle-the-array
1475-final-prices-with-a-special-discount-in-a-shop
1476-subrectangle-queries
1480-running-sum-of-1d-array
1481-least-number-of-unique-integers-after-k-removals
1486-xor-operation-in-an-array
1492-the-kth-factor-of-n
1493-longest-subarray-of-1s-after-deleting-one-element
1497-check-if-array-pairs-are-divisible-by-k
1498-number-of-subsequences-that-satisfy-the-given-sum-condition
1502-can-make-arithmetic-progression-from-sequence
1503-last-moment-before-all-ants-fall-out-of-a-plank
1508-range-sum-of-sorted-subarray-sums
1509-minimum-difference-between-largest-and-smallest-value-in-three-moves
1512-number-of-good-pairs
1513-number-of-substrings-with-only-1s
1514-path-with-maximum-probability
1518-water-bottles
1523-count-odd-numbers-in-an-interval-range
1524-number-of-sub-arrays-with-odd-sum
1526-minimum-number-of-increments-on-subarrays-to-form-a-target-array
1528-shuffle-string
1534-count-good-triplets
1535-find-the-winner-of-an-array-game
1542-find-longest-awesome-substring
1544-make-the-string-great
1545-find-kth-bit-in-nth-binary-string
1550-three-consecutive-odds
1552-magnetic-force-between-two-balls
1557-minimum-number-of-vertices-to-reach-all-nodes
1561-maximum-number-of-coins-you-can-get
1568-minimum-number-of-days-to-disconnect-island
1572-matrix-diagonal-sum
1574-shortest-subarray-to-be-removed-to-make-array-sorted
1578-minimum-time-to-make-rope-colorful
1588-sum-of-all-odd-length-subarrays
1590-make-sum-divisible-by-p
1593-split-a-string-into-the-max-number-of-unique-substrings
1598-crawler-log-folder
1603-design-parking-system
1605-find-valid-matrix-given-row-and-column-sums
1608-special-array-with-x-elements-greater-than-or-equal-x
1609-even-odd-tree
1611-minimum-one-bit-operations-to-make-integers-zero
1614-maximum-nesting-depth-of-the-parentheses
1630-arithmetic-subarrays
1636-sort-array-by-increasing-frequency
1637-widest-vertical-area-between-two-points-containing-no-points
1641-count-sorted-vowel-strings
1646-get-maximum-in-generated-array
1652-defuse-the-bomb
1653-minimum-deletions-to-make-string-balanced
1656-design-an-ordered-stream
1657-determine-if-two-strings-are-close
1658-minimum-operations-to-reduce-x-to-zero
1661-average-time-of-process-per-machine
1662-check-if-two-string-arrays-are-equivalent
1669-merge-in-between-linked-lists
1672-count-servers-that-communicate
1672-richest-customer-wealth
1678-goal-parser-interpretation
1683-invalid-tweets
1695-maximum-erasure-value
1698-partitioning-into-minimum-number-of-deci-binary-numbers
1700-number-of-students-unable-to-eat-lunch
1701-average-waiting-time
1704-determine-if-string-halves-are-alike
1710-maximum-units-on-a-truck
1716-calculate-money-in-leetcode-bank
1717-maximum-score-from-removing-substrings
1718-construct-the-lexicographically-largest-valid-sequence
1721-swapping-nodes-in-a-linked-list
1732-find-the-highest-altitude
1748-sum-of-unique-elements
1749-maximum-absolute-sum-of-any-subarray
1750-minimum-length-of-string-after-deleting-similar-ends
1751-maximum-number-of-events-that-can-be-attended-ii
1752-check-if-array-is-sorted-and-rotated
1757-recyclable-and-low-fat-products
1763-longest-nice-substring
1765-map-of-highest-peak
1768-merge-strings-alternately
1769-minimum-number-of-operations-to-move-all-balls-to-each-box
1773-count-items-matching-a-rule
1780-check-if-number-is-a-sum-of-powers-of-three
1790-check-if-one-string-swap-can-make-strings-equal
1791-find-center-of-star-graph
1792-maximum-average-pass-ratio
1796-second-largest-digit-in-a-string
1798-maximum-number-of-consecutive-values-you-can-make
1800-maximum-ascending-subarray-sum
1813-sentence-similarity-iii
1823-find-the-winner-of-the-circular-game
1827-minimum-operations-to-make-the-array-increasing
1845-seat-reservation-manager
1854-maximum-population-year
1859-sorting-the-sentence
1863-sum-of-all-subset-xor-totals
1865-finding-pairs-with-a-certain-sum
1870-minimum-speed-to-arrive-on-time
1877-minimize-maximum-pair-sum-in-array
1886-determine-whether-matrix-can-be-obtained-by-rotation
1894-find-the-student-that-will-replace-the-chalk
1903-largest-odd-number-in-string
1909-remove-one-element-to-make-the-array-strictly-increasing
1910-remove-all-occurrences-of-a-substring
1915-number-of-wonderful-substrings
1920-build-array-from-permutation
1922-count-good-numbers
1925-count-square-sum-triples
1929-concatenation-of-array
1930-unique-length-3-palindromic-subsequences
1931-painting-a-grid-with-three-different-colors
1935-maximum-number-of-words-you-can-type
1937-maximum-number-of-points-with-cost
1942-the-number-of-the-smallest-unoccupied-chair
1945-sum-of-digits-of-string-after-convert
1948-delete-duplicate-folders-in-system
1957-delete-characters-to-make-fancy-string
1963-minimum-number-of-swaps-to-make-the-string-balanced
1970-last-day-where-you-can-still-cross
1971-find-if-path-exists-in-graph
1974-minimum-time-to-type-word-using-special-typewriter
1975-maximum-matrix-sum
1976-number-of-ways-to-arrive-at-destination
1978-employees-whose-manager-left-the-company
1980-find-unique-binary-string
1984-minimum-difference-between-highest-and-lowest-of-k-scores
1986-minimum-number-of-work-sessions-to-finish-the-tasks
1991-find-the-middle-index-in-array
1992-find-all-groups-of-farmland
2000-reverse-prefix-of-word
2011-final-value-of-variable-after-performing-operations
2016-maximum-difference-between-increasing-elements
2017-grid-game
2022-convert-1d-array-into-2d-array
2027-minimum-moves-to-convert-string
2028-find-missing-observations
2033-minimum-operations-to-make-a-uni-value-grid
2037-minimum-number-of-moves-to-seat-everyone
2043-simple-bank-system
2044-count-number-of-maximum-bitwise-or-subsets
2048-next-greater-numerically-balanced-number
2053-kth-distinct-string-in-an-array
2054-two-best-non-overlapping-events
2058-find-the-minimum-and-maximum-number-of-nodes-between-critical-points
2062-count-vowel-substrings-of-a-string
2064-minimized-maximum-of-products-distributed-to-any-store
2070-most-beautiful-item-for-each-query
2073-time-needed-to-buy-tickets
2092-find-all-people-with-secret
2096-step-by-step-directions-from-a-binary-tree-node-to-another
2099-find-subsequence-of-length-k-with-the-largest-sum
2101-detonate-the-maximum-bombs
2106-maximum-fruits-harvested-after-at-most-k-steps
2108-find-first-palindromic-string-in-the-array
2110-number-of-smooth-descent-periods-of-a-stock
2114-maximum-number-of-words-found-in-sentences
2116-check-if-a-parentheses-string-can-be-valid
2124-check-if-all-as-appears-before-all-bs
2125-number-of-laser-beams-in-a-bank
2129-capitalize-the-title
2130-maximum-twin-sum-of-a-linked-list
2131-longest-palindrome-by-concatenating-two-letter-words
2133-check-if-every-row-and-column-contains-all-numbers
2134-minimum-swaps-to-group-all-1s-together-ii
2138-divide-a-string-into-groups-of-size-k
2140-solving-questions-with-brainpower
2141-maximum-running-time-of-n-computers
2144-minimum-cost-of-buying-candies-with-discount
2145-count-the-hidden-sequences
2149-rearrange-array-elements-by-sign
2150-find-all-lonely-numbers-in-the-array
2154-keep-multiplying-found-values-by-two
2160-minimum-sum-of-four-digit-number-after-splitting-digits
2161-partition-array-according-to-given-pivot
2162-minimum-cost-to-set-cooking-time
2169-count-operations-to-obtain-zero
2181-merge-nodes-in-between-zeros
2185-counting-words-with-a-given-prefix
2192-all-ancestors-of-a-node-in-a-directed-acyclic-graph
2196-create-binary-tree-from-descriptions
2197-replace-non-coprime-numbers-in-array
2200-find-all-k-distant-indices-in-an-array
2206-divide-array-into-equal-pairs
2210-count-hills-and-valleys-in-an-array
2211-count-collisions-on-a-road
2220-minimum-bit-flips-to-convert-number
2221-find-triangular-sum-of-an-array
2225-find-players-with-zero-or-one-losses
2226-maximum-candies-allocated-to-k-children
2235-add-two-integers
2236-root-equals-sum-of-children
2257-count-unguarded-cells-in-the-grid
2259-remove-digit-from-number-to-maximize-result
2264-largest-3-same-digit-number-in-string
2265-count-nodes-equal-to-average-of-subtree
2269-find-the-k-beauty-of-a-number
2270-number-of-ways-to-split-array
2273-find-resultant-array-after-removing-anagrams
2275-largest-combination-with-bitwise-and-greater-than-zero
2285-maximum-total-importance-of-roads
2290-minimum-obstacle-removal-to-reach-corner
2294-partition-array-such-that-maximum-difference-is-k
2300-successful-pairs-of-spells-and-potions
2302-count-subarrays-with-score-less-than-k
2311-longest-binary-subsequence-less-than-or-equal-to-k
2325-decode-the-message
2326-spiral-matrix-iv
2327-number-of-people-aware-of-a-secret
2335-minimum-amount-of-time-to-fill-cups
2342-max-sum-of-a-pair-with-equal-sum-of-digits
2348-number-of-zero-filled-subarrays
2349-design-a-number-container-system
2356-number-of-unique-subjects-taught-by-each-teacher
2359-find-closest-node-to-given-two-nodes
2363-merge-similar-items
2364-count-number-of-bad-pairs
2370-longest-ideal-subsequence
2373-largest-local-values-in-a-matrix
2375-construct-smallest-number-from-di-string
2379-minimum-recolors-to-get-k-consecutive-black-blocks
2381-shifting-letters-ii
2385-amount-of-time-for-binary-tree-to-be-infected
2396-strictly-palindromic-number
2399-check-distances-between-same-letters
2401-longest-nice-subarray
2402-meeting-rooms-iii
2410-maximum-matching-of-players-with-trainers
2416-sum-of-prefix-scores-of-strings
2418-sort-the-people
2419-longest-subarray-with-maximum-bitwise-and
2425-bitwise-xor-of-all-pairings
2429-minimize-xor
2433-find-the-original-array-of-prefix-xor
2434-using-a-robot-to-print-the-lexicographically-smallest-string
2435-paths-in-matrix-whose-sum-is-divisible-by-k
2438-range-product-queries-of-powers
2441-largest-positive-integer-that-exists-with-its-negative
2444-count-subarrays-with-fixed-bounds
2446-determine-if-two-events-have-conflict
2447-number-of-subarrays-with-gcd-equal-to-k
2458-height-of-binary-tree-after-subtree-removal-queries
2460-apply-operations-to-an-array
2469-convert-the-temperature
2481-minimum-cuts-to-divide-a-circle
2483-minimum-penalty-for-a-shop
2485-find-the-pivot-integer
2486-append-characters-to-string-to-make-subsequence
2487-remove-nodes-from-linked-list
2490-circular-sentence
2500-delete-greatest-value-in-each-row
2503-maximum-number-of-points-from-grid-queries
2516-take-k-of-each-character-from-left-and-right
2520-count-the-digits-that-divide-a-number
2523-closest-prime-numbers-in-range
2529-maximum-count-of-positive-integer-and-negative-integer
2530-maximal-score-after-applying-k-operations
2536-increment-submatrices-by-one
2540-minimum-common-value
2551-put-marbles-in-bags
2558-take-gifts-from-the-richest-pile
2559-count-vowel-strings-in-ranges
2560-house-robber-iv
2561-rearranging-fruits
2562-find-the-array-concatenation-value
2563-count-the-number-of-fair-pairs
2566-maximum-difference-by-remapping-a-digit
2570-merge-two-2d-arrays-by-summing-values
2574-left-and-right-sum-differences
2579-count-total-number-of-colored-cells
2582-pass-the-pillow
2583-kth-largest-sum-in-a-binary-tree
2586-count-the-number-of-vowel-strings-in-range
2591-distribute-money-to-maximum-children
2594-minimum-time-to-repair-cars
2597-the-number-of-beautiful-subsets
2598-smallest-missing-non-negative-integer-after-operations
2600-k-items-with-the-maximum-sum
2605-form-smallest-number-from-two-digit-arrays
2616-minimize-the-maximum-difference-of-pairs
2618-check-if-object-instance-of-class
2619-array-prototype-last
2620-counter
2621-sleep
2622-cache-with-time-limit
2623-memoize
2626-array-reduce-transformation
2628-json-deep-equal
2629-function-composition
2634-filter-elements-from-array
2635-apply-transform-over-each-element-in-array
2637-promise-time-limit
2641-cousins-in-binary-tree-ii
2643-row-with-maximum-ones
2648-generate-fibonacci-sequence
2652-sum-multiples
2654-minimum-number-of-operations-to-make-all-array-elements-equal-to-1
2656-maximum-sum-with-exactly-k-elements
2657-find-the-prefix-common-array-of-two-arrays
2658-maximum-number-of-fish-in-a-grid
2661-first-completely-painted-row-or-column
2665-counter-ii
2666-allow-one-function-call
2667-create-hello-world-function
2678-number-of-senior-citizens
2683-neighboring-bitwise-xor
2685-count-the-number-of-complete-components
2695-array-wrapper
2696-minimum-string-length-after-removing-substrings
2697-lexicographically-smallest-palindrome
2698-find-the-punishment-number-of-an-integer
2703-return-length-of-arguments-passed
2704-to-be-or-not-to-be
2707-extra-characters-in-a-string
2715-timeout-cancellation
2718-sum-of-matrix-after-queries
2723-add-two-promises
2724-sort-by
2749-minimum-operations-to-make-the-integer-zero
2769-find-the-maximum-achievable-number
2778-sum-of-squares-of-special-elements
2780-minimum-index-of-a-valid-split
2787-ways-to-express-an-integer-as-sum-of-powers
2798-number-of-employees-who-met-the-target
2799-count-complete-subarrays-in-an-array
2810-faulty-keyboard
2815-max-pair-sum-in-an-array
2816-double-a-number-represented-as-a-linked-list
2824-count-pairs-whose-sum-is-less-than-target
2825-make-string-a-subsequence-using-cyclic-increments
2839-check-if-strings-can-be-made-equal-with-operations-i
2843-count-symmetric-integers
2848-points-that-intersect-with-cars
2864-maximum-odd-binary-number
3200-maximum-height-of-a-triangle
3201-find-the-maximum-length-of-valid-subsequence-i
3202-find-the-maximum-length-of-valid-subsequence-ii
3206-alternating-groups-i
3208-alternating-groups-ii
3210-find-the-encrypted-string
3211-generate-binary-strings-without-adjacent-zeros
3216-lexicographically-smallest-string-after-a-swap
3217-delete-nodes-from-linked-list-present-in-array
3222-find-the-winning-player-in-coin-game
3223-minimum-length-of-string-after-operations
3224-minimum-array-changes-to-make-differences-equal
3226-number-of-bit-changes-to-make-two-integers-equal
3227-vowels-game-in-a-string
3228-maximum-number-of-operations-to-move-ones-to-the-end
3232-find-if-digit-game-can-be-won
3233-find-the-count-of-numbers-which-are-not-special
3234-count-the-number-of-substrings-with-dominant-ones
3238-find-the-number-of-winning-players
3239-minimum-number-of-flips-to-make-binary-grid-palindromic-i
3242-design-neighbor-sum-service
3243-shortest-distance-after-road-addition-queries-i
3248-snake-in-matrix
3249-count-the-number-of-good-nodes
3250-find-the-count-of-monotonic-pairs-i
3254-find-the-power-of-k-size-subarrays-i
3270-find-the-key-of-the-numbers
3271-hash-divided-string
3274-check-if-two-chessboard-squares-have-the-same-color
3280-convert-date-to-binary
3285-find-indices-of-stable-mountains
3289-the-two-sneaky-numbers-of-digitville
3295-report-spam-message
3300-minimum-element-after-replacement-with-digit-sum
3304-find-the-k-th-character-in-string-game-i
3306-count-of-substrings-containing-every-vowel-and-k-consonants-ii
3309-maximum-possible-number-by-binary-concatenation
3314-construct-the-minimum-bitwise-array-i
3315-construct-the-minimum-bitwise-array-ii
3318-find-x-sum-of-all-k-long-subarrays-i
3321-find-x-sum-of-all-k-long-subarrays-ii
3324-find-the-sequence-of-strings-appeared-on-the-screen
3325-count-substrings-with-k-frequency-characters-i
3330-find-the-original-typed-string-i
3335-total-characters-in-string-after-transformations-i
3341-find-minimum-time-to-reach-last-room-i
3342-find-minimum-time-to-reach-last-room-ii
3346-maximum-frequency-of-an-element-after-performing-operations-i
3347-maximum-frequency-of-an-element-after-performing-operations-ii
3349-adjacent-increasing-subarrays-detection-i
3350-adjacent-increasing-subarrays-detection-ii
3354-make-array-elements-equal-to-zero
3355-zero-array-transformation-i
3356-zero-array-transformation-ii
3360-stone-removal-game
3362-zero-array-transformation-iii
3370-smallest-number-with-all-set-bits
3372-maximize-the-number-of-target-nodes-after-connecting-trees-i
3373-maximize-the-number-of-target-nodes-after-connecting-trees-ii
3375-minimum-operations-to-make-array-values-equal-to-k
3379-transformed-array
3381-maximum-subarray-sum-with-length-divisible-by-k
3392-count-subarrays-of-length-three-with-a-condition
3396-minimum-number-of-operations-to-make-elements-in-array-distinct
3401-find-the-lexicographically-largest-string-from-the-box-i
3408-design-task-manager
3417-zigzag-grid-traversal-with-skip
3423-maximum-difference-between-adjacent-elements-in-a-circular-array
3432-count-partitions-with-even-sum-difference
3436-find-valid-emails
3438-find-valid-pair-of-adjacent-digits-in-string
3439-reschedule-meetings-for-maximum-free-time-i
3442-maximum-difference-between-even-and-odd-frequency-i
3443-maximum-manhattan-distance-after-k-changes
3446-sort-matrix-by-diagonals
3452-sum-of-good-numbers
3457-eat-pizzas
3461-check-if-digits-are-equal-in-string-after-operations-i
3465-find-products-with-valid-serial-numbers
3467-transform-array-by-parity
3477-fruits-into-baskets-ii
3479-fruits-into-baskets-iii
3484-design-spreadsheet
3487-maximum-unique-subarray-sum-after-deletion
3494-find-the-minimum-amount-of-time-to-brew-potions
3495-minimum-operations-to-make-array-elements-zero
3508-implement-router
3512-minimum-operations-to-make-array-sum-divisible-by-k
3513-number-of-unique-xor-triplets-i
3516-find-closest-person
3536-maximum-product-of-two-digits
3541-find-most-frequent-vowel-and-consonant
3542-minimum-operations-to-convert-all-elements-to-zero
3545-minimum-deletions-for-at-most-k-distinct-characters
3550-smallest-index-with-digit-sum-equal-to-index
3560-find-minimum-log-transportation-cost
3570-find-books-with-no-available-copies
3573-best-time-to-buy-and-sell-stock-v
3577-count-the-number-of-computer-unlocking-permutations
3582-generate-tag-for-video-caption
3583-count-special-triplets
3591-check-if-any-element-has-prime-frequency
3602-hexadecimal-and-hexatrigesimal-conversion
3606-coupon-code-validator
3607-power-grid-maintenance
3622-check-divisibility-by-digit-sum-and-product
3634-minimum-removals-to-balance-array
3637-trionic-array-i
3640-trionic-array-ii
3652-best-time-to-buy-and-sell-stock-using-strategy
3658-gcd-of-odd-and-even-sums
3688-bitwise-or-of-even-numbers-in-an-array
3693-climbing-stairs-ii
3697-compute-decimal-representation
3713-longest-balanced-substring-i
3714-longest-balanced-substring-ii
3718-smallest-missing-multiple-of-k
3731-find-missing-elements
3790-smallest-all-ones-multiple
3798-largest-even-number
3827-count-monobit-integers
3828-final-element-after-subarray-deletions
3829-design-ride-sharing-system
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