Files

algorithms
codeforces.com
design pattern
hackerearth.com
leetcode-premium
leetcode
- 0003-longest-substring-without-repeating-characters
- 0004-median-of-two-sorted-arrays
- 0005-longest-palindromic-substring
- 0006-zigzag-conversion
- 0007-reverse-integer
- 0009-palindrome-number
- 0012-integer-to-roman
- 0014-longest-common-prefix
- 0017-letter-combinations-of-a-phone-number
- 0019-remove-nth-node-from-end-of-list
- 0020-valid-parentheses
- 0023-merge-k-sorted-lists
- 0024-swap-nodes-in-pairs
- 0025-reverse-nodes-in-k-group
- 0026-remove-duplicates-from-sorted-array
- 0027-remove-element
- 0028-find-the-index-of-the-first-occurrence-in-a-string
- 0033-search-in-rotated-sorted-array
- 0034-find-first-and-last-position-of-element-in-sorted-array
- 0035-search-insert-position
- 0036-valid-sudoku
- 0038-count-and-say
- 0041-first-missing-positive
- 0042-trapping-rain-water
- 0045-jump-game-ii
- 0046-permutations
- 0049-group-anagrams
- 0050-powx-n
- 0053-maximum-subarray
- 0054-spiral-matrix
- 0055-jump-game
- 0057-insert-interval
- 0059-spiral-matrix-ii
- 0062-unique-paths
- 0063-unique-paths-ii
- 0064-minimum-path-sum
- 0066-plus-one
- 0067-add-binary
- 0068-text-justification
- 0070-climbing-stairs
- 0071-simplify-path
- 0072-edit-distance
- 0074-search-a-2d-matrix
- 0075-sort-colors
- 0076-minimum-window-substring
- 0077-combinations
- 0079-word-search
- 0080-remove-duplicates-from-sorted-array-ii
- 0081-search-in-rotated-sorted-array-ii
- 0084-largest-rectangle-in-histogram
- 0085-maximal-rectangle
- 0086-partition-list
- 0087-scramble-string
- 0091-decode-ways
- 0092-reverse-linked-list-ii
- 0093-restore-ip-addresses
- 0094-binary-tree-inorder-traversal
- 0096-unique-binary-search-trees
- 0097-interleaving-string
- 0100-same-tree
- 0101-symmetric-tree
- 0103-binary-tree-zigzag-level-order-traversal
- 0104-maximum-depth-of-binary-tree
- 0106-construct-binary-tree-from-inorder-and-postorder-traversal
- 0109-convert-sorted-list-to-binary-search-tree
- 0111-minimum-depth-of-binary-tree
- 0118-pascals-triangle
- 0119-pascals-triangle-ii
- 0120-triangle
- 0121-best-time-to-buy-and-sell-stock
- 0122-best-time-to-buy-and-sell-stock-ii
- 0123-best-time-to-buy-and-sell-stock-iii
- 0124-binary-tree-maximum-path-sum
- 0125-valid-palindrome
- 0129-sum-root-to-leaf-numbers
- 0131-palindrome-partitioning
- 0133-clone-graph
- 0134-gas-station
- 0135-candy
- 0137-single-number-ii
- 0138-copy-list-with-random-pointer
- 0139-word-break
- 0140-word-break-ii
- 0141-linked-list-cycle
- 0142-linked-list-cycle-ii
- 0143-reorder-list
- 0144-binary-tree-preorder-traversal
- 0145-binary-tree-postorder-traversal
- 0149-max-points-on-a-line
- 0150-evaluate-reverse-polish-notation
- 0151-reverse-words-in-a-string
- 0159-longest-substring-with-at-most-two-distinct-characters
- 0160-intersection-of-two-linked-lists
- 0161-one-edit-distance
- 0162-find-peak-element
- 0164-maximum-gap
- 0168-excel-sheet-column-title
- 0169-majority-element
- 0170-two-sum-iii-data-structure-design
- 0174-dungeon-game
- 0176-second-highest-salary
- 0177-nth-highest-salary
- 0178-rank-scores
- 0179-largest-number
- 0180-consecutive-numbers
- 0184-department-highest-salary
- 0188-best-time-to-buy-and-sell-stock-iv
- 0191-number-of-1-bits
- 0198-house-robber
- 0199-binary-tree-right-side-view
- 0200-number-of-islands
- 0206-reverse-linked-list
- 0207-course-schedule
- 0208-implement-trie-prefix-tree
- 0209-minimum-size-subarray-sum
- 0210-course-schedule-ii
- 0211-design-add-and-search-words-data-structure
- 0213-house-robber-ii
- 0215-kth-largest-element-in-an-array
- 0219-contains-duplicate-ii
- 0221-maximal-square
- 0222-count-complete-tree-nodes
- 0223-rectangle-area
- 0225-implement-stack-using-queues
- 0226-invert-binary-tree
- 0228-summary-ranges
- 0229-majority-element-ii
- 0232-implement-queue-using-stacks
- 0234-palindrome-linked-list
- 0237-delete-node-in-a-linked-list
- 0238-product-of-array-except-self
- 0239-sliding-window-maximum
- 0241-different-ways-to-add-parentheses
- 0242-valid-anagram
- 0258-add-digits
- 0260-single-number-iii
- 0263-ugly-number
- 0270-closest-binary-search-tree-value
- 0274-h-index
- 0275-h-index-ii
- 0279-perfect-squares
- 0287-find-the-duplicate-number
- 0290-word-pattern
- 0293-flip-game
- 0297-serialize-and-deserialize-binary-tree
- 0299-bulls-and-cows
- 0300-longest-increasing-subsequence
- 0303-range-sum-query-immutable
- 0309-best-time-to-buy-and-sell-stock-with-cooldown
- 0316-remove-duplicate-letters
- 0319-bulb-switcher
- 0329-longest-increasing-path-in-a-matrix
- 0330-patching-array
- 0331-verify-preorder-serialization-of-a-binary-tree
- 0334-increasing-triplet-subsequence
- 0336-palindrome-pairs
- 0338-counting-bits
- 0340-longest-substring-with-at-most-k-distinct-characters
- 0341-flatten-nested-list-iterator
- 0342-power-of-four
- 0343-integer-break
- 0344-reverse-string
- 0345-reverse-vowels-of-a-string
- 0347-top-k-frequent-elements
- 0352-data-stream-as-disjoint-intervals
- 0357-count-numbers-with-unique-digits
- 0366-find-leaves-of-binary-tree
- 0368-largest-divisible-subset
- 0371-sum-of-two-integers
- 0373-find-k-pairs-with-smallest-sums
- 0377-combination-sum-iv
- 0380-insert-delete-getrandom-o1
- 0382-linked-list-random-node
- 0384-shuffle-an-array
- 0386-lexicographical-numbers
- 0389-find-the-difference
- 0392-is-subsequence
- 0395-longest-substring-with-at-least-k-repeating-characters
- 0399-evaluate-division
- 0402-remove-k-digits
- 0403-frog-jump
- 0404-sum-of-left-leaves
- 0410-split-array-largest-sum
- 0412-fizz-buzz
- 0413-arithmetic-slices
- 0416-partition-equal-subset-sum
- 0421-maximum-xor-of-two-numbers-in-an-array
- 0423-reconstruct-original-digits-from-english
- 0424-longest-repeating-character-replacement
- 0427-construct-quad-tree
- 0430-flatten-a-multilevel-doubly-linked-list
- 0433-minimum-genetic-mutation
- 0434-number-of-segments-in-a-string
- 0435-non-overlapping-intervals
- 0438-find-all-anagrams-in-a-string
- 0441-arranging-coins
- 0442-find-all-duplicates-in-an-array
- 0443-string-compression
- 0445-add-two-numbers-ii
- 0452-minimum-number-of-arrows-to-burst-balloons
- 0453-minimum-moves-to-equal-array-elements
- 0454-4sum-ii
- 0458-poor-pigs
- 0459-repeated-substring-pattern
- 0460-lfu-cache
- 0472-concatenated-words
- 0475-heaters
- 0476-number-complement
- 0482-license-key-formatting
- 0486-predict-the-winner
- 0491-non-decreasing-subsequences
- 0494-target-sum
- 0496-next-greater-element-i
- 0498-diagonal-traverse
- 0501-find-mode-in-binary-search-tree
- 0502-ipo copy
- 0502-ipo
- 0503-next-greater-element-ii
- 0504-base-7
- 0511-game-play-analysis-i
- 0515-find-largest-value-in-each-tree-row
- 0516-longest-palindromic-subsequence
- 0518-coin-change-ii
- 0520-detect-capital
- 0521-longest-uncommon-subsequence-i
- 0524-longest-word-in-dictionary-through-deleting
- 0525-contiguous-array
- 0530-minimum-absolute-difference-in-bst
- 0532-k-diff-pairs-in-an-array copy
- 0532-k-diff-pairs-in-an-array
- 0538-convert-bst-to-greater-tree
- 0540-single-element-in-a-sorted-array
- 0542-01-matrix
- 0543-diameter-of-binary-tree
- 0547-number-of-provinces
- 0549-binary-tree-longest-consecutive-sequence-ii
- 0556-next-greater-element-iii
- 0557-reverse-words-in-a-string-iii
- 0567-permutation-in-string
- 0575-distribute-candies
- 0576-out-of-boundary-paths
- 0577-employee-bonus
- 0586-customer-placing-the-largest-number-of-orders
- 0587-erect-the-fence
- 0588-design-in-memory-file-system
- 0595-big-countries
- 0598-range-addition-ii
- 0602-friend-requests-ii-who-has-the-most-friends
- 0605-can-place-flowers
- 0606-construct-string-from-binary-tree
- 0621-task-scheduler
- 0632-smallest-range-covering-elements-from-k-lists
- 0633-sum-of-square-numbers
- 0638-shopping-offers
- 0645-set-mismatch
- 0646-maximum-length-of-pair-chain
- 0647-palindromic-substrings
- 0648-replace-words
- 0649-dota2-senate
- 0652-find-duplicate-subtrees
- 0653-two-sum-iv-input-is-a-bst
- 0655-print-binary-tree
- 0661-image-smoother
- 0662-maximum-width-of-binary-tree
- 0670-maximum-swap
- 0674-longest-continuous-increasing-subsequence
- 0678-valid-parenthesis-string
- 0684-redundant-connection
- 0687-longest-univalue-path
- 0691-stickers-to-spell-word
- 0692-top-k-frequent-words
- 0703-kth-largest-element-in-a-stream
- 0704-binary-search
- 0705-design-hashset
- 0706-design-hashmap
- 0707-design-linked-list
- 0710-random-pick-with-blacklist
- 0712-minimum-ascii-delete-sum-for-two-strings
- 0713-subarray-product-less-than-k
- 0718-maximum-length-of-repeated-subarray
- 0720-longest-word-in-dictionary
- 0725-split-linked-list-in-parts
- 0738-monotone-increasing-digits
- 0739-daily-temperatures
- 0740-delete-and-earn
- 0741-cherry-pickup
- 0744-find-smallest-letter-greater-than-target
- 0746-min-cost-climbing-stairs
- 0752-open-the-lock
- 0763-partition-labels
- 0766-toeplitz-matrix
- 0767-reorganize-string
- 0779-k-th-symbol-in-grammar
- 0781-rabbits-in-forest
- 0783-minimum-distance-between-bst-nodes
- 0785-is-graph-bipartite
- 0787-cheapest-flights-within-k-stops
- 0789-escape-the-ghosts
- 0792-number-of-matching-subsequences
- 0797-all-paths-from-source-to-target
- 0799-champagne-tower
- 0802-find-eventual-safe-states
- 0806-number-of-lines-to-write-string
- 0811-subdomain-visit-count
- 0815-bus-routes
- 0823-binary-trees-with-factors
- 0824-goat-latin
- 0826-most-profit-assigning-work
- 0828-count-unique-characters-of-all-substrings-of-a-given-string
- 0829-consecutive-numbers-sum
- 0834-sum-of-distances-in-tree
- 0837-new-21-game
- 0839-similar-string-groups
- 0841-keys-and-rooms
- 0844-backspace-string-compare
- 0846-hand-of-straights
- 0849-maximize-distance-to-closest-person
- 0851-loud-and-rich
- 0852-peak-index-in-a-mountain-array
- 0856-score-of-parentheses
- 0859-buddy-strings
- 0860-lemonade-change
- 0861-score-after-flipping-matrix
- 0862-shortest-subarray-with-sum-at-least-k
- 0863-all-nodes-distance-k-in-binary-tree
- 0864-shortest-path-to-get-all-keys
- 0872-leaf-similar-trees
- 0875-koko-eating-bananas
- 0879-profitable-schemes
- 0880-decoded-string-at-index
- 0881-boats-to-save-people
- 0883-projection-area-of-3d-shapes
- 0886-possible-bipartition
- 0889-construct-binary-tree-from-preorder-and-postorder-traversal
- 0892-surface-area-of-3d-shapes
- 0896-monotonic-array
- 0901-online-stock-span
- 0904-fruit-into-baskets
- 0905-sort-array-by-parity
- 0907-sum-of-subarray-minimums
- 0908-smallest-range-i
- 0909-snakes-and-ladders
- 0912-sort-an-array
- 0914-x-of-a-kind-in-a-deck-of-cards
- 0915-partition-array-into-disjoint-intervals
- 0917-reverse-only-letters
- 0918-maximum-sum-circular-subarray
- 0919-complete-binary-tree-inserter
- 0921-minimum-add-to-make-parentheses-valid
- 0925-construct-binary-tree-from-preorder-and-postorder-traversal
- 0926-flip-string-to-monotone-increasing
- 0929-unique-email-addresses
- 0930-binary-subarrays-with-sum
- 0931-minimum-falling-path-sum
- 0933-number-of-recent-calls
- 0934-shortest-bridge
- 0938-range-sum-of-bst
- 0941-valid-mountain-array
- 0944-delete-columns-to-make-sorted
- 0945-minimum-increment-to-make-array-unique
- 0946-validate-stack-sequences
- 0947-most-stones-removed-with-same-row-or-column
- 0949-largest-time-for-given-digits
- 0950-reveal-cards-in-increasing-order
- 0951-flip-equivalent-binary-trees
- 0953-verifying-an-alien-dictionary
- 0956-tallest-billboard
- 0958-check-completeness-of-a-binary-tree
- 0961-n-repeated-element-in-size-2n-array
- 0962-maximum-width-ramp
- 0971-flip-binary-tree-to-match-preorder-traversal
- 0973-k-closest-points-to-origin
- 0974-subarray-sums-divisible-by-k
- 0976-largest-perimeter-triangle
- 0977-squares-of-a-sorted-array
- 0978-longest-turbulent-subarray
- 0980-unique-paths-iii
- 0981-time-based-key-value-store
- 0983-minimum-cost-for-tickets
- 0987-vertical-order-traversal-of-a-binary-tree
- 0988-smallest-string-starting-from-leaf
- 0989-add-to-array-form-of-integer
- 0994-rotting-oranges
- 0995-minimum-number-of-k-consecutive-bit-flips
- 0997-find-the-town-judge
- 0999-available-captures-for-rook
- 1-two-sum
- 1002-find-common-characters
- 1003-check-if-word-is-valid-after-substitutions
- 1004-max-consecutive-ones-iii
- 1005-maximize-sum-of-array-after-k-negations
- 1009-complement-of-base-10-integer
- 1010-pairs-of-songs-with-total-durations-divisible-by-60
- 1011-capacity-to-ship-packages-within-d-days
- 1019-next-greater-node-in-linked-list
- 102-binary-tree-level-order-traversal
- 1020-number-of-enclaves
- 1021-remove-outermost-parentheses
- 1022-sum-of-root-to-leaf-binary-numbers
- 1025-divisor-game
- 1026-maximum-difference-between-node-and-ancestor
- 1029-two-city-scheduling
- 103-binary-tree-zigzag-level-order-traversal
- 1030-matrix-cells-in-distance-order
- 1035-uncrossed-lines
- 1038-binary-search-tree-to-greater-sum-tree
- 1041-robot-bounded-in-circle
- 1043-partition-array-for-maximum-sum
- 1046-last-stone-weight
- 1047-remove-all-adjacent-duplicates-in-string
- 1048-longest-string-chain
- 105-construct-binary-tree-from-preorder-and-inorder-traversal
- 1050-actors-and-directors-who-cooperated-at-least-three-times
- 1052-grumpy-bookstore-owner
- 1060-missing-element-in-sorted-array
- 1061-lexicographically-smallest-equivalent-string
- 107-binary-tree-level-order-traversal-ii
- 1071-greatest-common-divisor-of-strings
- 1072-flip-columns-for-maximum-number-of-equal-rows
- 1078-occurrences-after-bigram
- 108-convert-sorted-array-to-binary-search-tree
- 1080-insufficient-nodes-in-root-to-leaf-paths
- 1081-smallest-subsequence-of-distinct-characters
- 1084-sales-analysis-iii
- 1089-duplicate-zeros
- 1091-shortest-path-in-binary-matrix
- 1094-car-pooling
- 1095-find-in-mountain-array
- 11-container-with-most-water
- 110-balanced-binary-tree
- 1103-distribute-candies-to-people
- 1110-delete-nodes-and-return-forest
- 1114-print-in-order
- 1115-print-foobar-alternately
- 1116-print-zero-even-odd
- 1122-relative-sort-array
- 1123-lowest-common-ancestor-of-deepest-leaves
- 1124-longest-well-performing-interval
- 1125-smallest-sufficient-team
- 1129-shortest-path-with-alternating-colors
- 1137-n-th-tribonacci-number
- 1140-stone-game-ii
- 1141-user-activity-for-the-past-30-days-i
- 1143-longest-common-subsequence
- 1146-snapshot-array
- 1148-article-views-i
- 1154-day-of-the-year
- 1155-number-of-dice-rolls-with-target-sum
- 116-populating-next-right-pointers-in-each-node
- 1160-find-words-that-can-be-formed-by-characters
- 1160-letter-tile-possibilities
- 1161-maximum-level-sum-of-a-binary-tree
- 1162-as-far-from-land-as-possible
- 117-populating-next-right-pointers-in-each-node-ii
- 1171-remove-zero-sum-consecutive-nodes-from-linked-list
- 1175-prime-arrangements
- 1179-reformat-department-table
- 118-pascals-triangle
- 1187-make-array-strictly-increasing
- 1190-reverse-substrings-between-each-pair-of-parentheses
- 12-integer-to-roman
- 1202-smallest-string-with-swaps
- 1206-design-skiplist
- 1207-unique-number-of-occurrences
- 1208-get-equal-substrings-within-budget
- 121-best-time-to-buy-and-sell-stock
- 1214-two-sum-bsts
- 1218-longest-arithmetic-subsequence-of-given-difference
- 1219-path-with-maximum-gold
- 122-best-time-to-buy-and-sell-stock-ii
- 1222-queens-that-can-attack-the-king
- 1232-check-if-it-is-a-straight-line
- 1233-remove-sub-folders-from-the-filesystem
- 1235-maximum-profit-in-job-scheduling
- 1239-maximum-length-of-a-concatenated-string-with-unique-characters
- 124-binary-tree-maximum-path-sum
- 1248-count-number-of-nice-subarrays
- 1249-minimum-remove-to-make-valid-parentheses
- 1250-check-if-it-is-a-good-array
- 1253-reconstruct-a-2-row-binary-matrix
- 1254-number-of-closed-islands
- 1255-maximum-score-words-formed-by-letters
- 1261-find-elements-in-a-contaminated-binary-tree
- 1265-print-immutable-linked-list-in-reverse
- 1266-minimum-time-visiting-all-points
- 1267-count-servers-that-communicate
- 1268-search-suggestions-system
- 1269-number-of-ways-to-stay-in-the-same-place-after-some-steps
- 1275-find-winner-on-a-tic-tac-toe-game
- 1282-group-the-people-given-the-group-size-they-belong-to
- 1287-element-appearing-more-than-25-in-sorted-array
- 1290-convert-binary-number-in-a-linked-list-to-integer
- 1291-sequential-digits
- 1295-find-numbers-with-even-number-of-digits
- 1296-divide-array-in-sets-of-k-consecutive-numbers
- 1299-replace-elements-with-greatest-element-on-right-side
- 13-roman-to-integer
- 1306-jump-game-iii
- 1309-decrypt-string-from-alphabet-to-integer-mapping
- 1310-xor-queries-of-a-subarray
- 1312-minimum-insertion-steps-to-make-a-string-palindrome
- 1313-decompress-run-length-encoded-list
- 1314-matrix-block-sum
- 1315-sum-of-nodes-with-even-valued-grandparent
- 1317-convert-integer-to-the-sum-of-two-no-zero-integers
- 1318-minimum-flips-to-make-a-or-b-equal-to-c
- 1319-number-of-operations-to-make-network-connected
- 132-pattern
- 1323-maximum-69-number
- 1324-print-words-vertically
- 1325-delete-leaves-with-a-given-value
- 1326-minimum-number-of-taps-to-open-to-water-a-garden
- 1328-break-a-palindrome
- 1329-sort-the-matrix-diagonally
- 1335-minimum-difficulty-of-a-job-schedule
- 1337-the-k-weakest-rows-in-a-matrix
- 1338-reduce-array-size-to-the-half
- 1345-jump-game-iv
- 1347-minimum-number-of-steps-to-make-two-strings-anagram
- 1351-count-negative-numbers-in-a-sorted-matrix
- 1352-product-of-the-last-k-numbers
- 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
- 1360-number-of-days-between-two-dates
- 1361-validate-binary-tree-nodes
- 1364-tuple-with-same-product
- 1367-linked-list-in-binary-tree
- 1370-increasing-decreasing-string
- 1372-longest-zigzag-path-in-a-binary-tree
- 1374-generate-a-string-with-characters-that-have-odd-counts
- 1376-time-needed-to-inform-all-employees
- 1381-design-a-stack-with-increment-operation
- 1383-maximum-performance-of-a-team
- 1385-find-the-distance-value-between-two-arrays
- 1387-sort-integers-by-the-power-value
- 1389-create-target-array-in-the-given-order
- 1396-design-underground-system
- 1399-count-largest-group
- 1402-reducing-dishes
- 1406-stone-game-iii
- 1408-string-matching-in-an-array
- 1413-minimum-value-to-get-positive-step-by-step-sum
- 1416-restore-the-array
- 1417-reformat-the-string
- 1420-build-array-where-you-can-find-the-maximum-exactly-k-comparisons
- 1422-maximum-score-after-splitting-a-string
- 1424-diagonal-traverse-ii
- 1425-constrained-subsequence-sum
- 1431-kids-with-the-greatest-number-of-candies
- 1433-check-if-a-string-can-break-another-string
- 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
- 1441-build-an-array-with-stack-operations
- 1442-count-triplets-that-can-form-two-arrays-of-equal-xor
- 1443-minimum-time-to-collect-all-apples-in-a-tree
- 1444-number-of-ways-of-cutting-a-pizza
- 1448-count-good-nodes-in-binary-tree
- 1450-number-of-students-doing-homework-at-a-given-time
- 1456-maximum-number-of-vowels-in-a-substring-of-given-length
- 1457-pseudo-palindromic-paths-in-a-binary-tree
- 1458-max-dot-product-of-two-subsequences
- 1460-make-two-arrays-equal-by-reversing-subarrays
- 1460-number-of-substrings-containing-all-three-characters
- 1464-maximum-product-of-two-elements-in-an-array
- 1465-maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts
- 1466-reorder-routes-to-make-all-paths-lead-to-the-city-zero
- 1470-shuffle-the-array
- 1471-the-k-strongest-values-in-an-array
- 1472-design-browser-history
- 1475-final-prices-with-a-special-discount-in-a-shop
- 1481-least-number-of-unique-integers-after-k-removals
- 1482-minimum-number-of-days-to-make-m-bouquets
- 1484-group-sold-products-by-the-date
- 1485-clone-binary-tree-with-random-pointer
- 1486-xor-operation-in-an-array
- 1490-clone-n-ary-tree
- 1491-average-salary-excluding-the-minimum-and-maximum-salary
- 1493-longest-subarray-of-1s-after-deleting-one-element
- 1496-path-crossing
- 1497-check-if-array-pairs-are-divisible-by-k
- 1498-number-of-subsequences-that-satisfy-the-given-sum-condition
- 15-3sum
- 150-evaluate-reverse-polish-notation
- 1502-can-make-arithmetic-progression-from-sequence
- 1503-last-moment-before-all-ants-fall-out-of-a-plank
- 1507-reformat-date
- 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
- 1516-the-k-th-lexicographical-string-of-all-happy-strings-of-length-n
- 1518-water-bottles
- 1519-number-of-nodes-in-the-sub-tree-with-the-same-label
- 1523-count-odd-numbers-in-an-interval-range
- 1524-number-of-sub-arrays-with-odd-sum
- 1525-number-of-good-ways-to-split-a-string
- 1526-minimum-number-of-increments-on-subarrays-to-form-a-target-array
- 1529-minimum-suffix-flips
- 1530-number-of-good-leaf-nodes-pairs
- 1531-string-compression-ii
- 1534-count-good-triplets
- 1535-find-the-winner-of-an-array-game
- 1537-get-the-maximum-score
- 1539-kth-missing-positive-number
- 1541-minimum-insertions-to-balance-a-parentheses-string
- 1544-make-the-string-great
- 1545-find-kth-bit-in-nth-binary-string
- 1546-maximum-number-of-non-overlapping-subarrays-with-sum-equals-target
- 1547-minimum-cost-to-cut-a-stick
- 1550-three-consecutive-odds
- 1552-magnetic-force-between-two-balls
- 1553-minimum-number-of-days-to-eat-n-oranges
- 1556-thousand-separator
- 1557-minimum-number-of-vertices-to-reach-all-nodes
- 1558-minimum-numbers-of-function-calls-to-make-target-array
- 1559-detect-cycles-in-2d-grid
- 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
- 1574-shortest-subarray-to-be-removed-to-make-array-sorted
- 1576-replace-all-s-to-avoid-consecutive-repeating-characters
- 1578-minimum-time-to-make-rope-colorful
- 1579-remove-max-number-of-edges-to-keep-graph-fully-traversable
- 1581-customer-who-visited-but-did-not-make-any-transactions
- 1584-min-cost-to-connect-all-points
- 1587-bank-account-summary-ii
- 1588-sum-of-all-odd-length-subarrays
- 1592-rearrange-spaces-between-words
- 16-3sum-closest
- 1601-maximum-number-of-achievable-transfer-requests
- 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
- 1615-maximal-network-rank
- 1624-largest-substring-between-two-equal-characters
- 1626-best-team-with-no-conflicts
- 1631-path-with-minimum-effort
- 1639-number-of-ways-to-form-a-target-string-given-a-dictionary
- 1640-check-array-formation-through-concatenation
- 1642-furthest-building-you-can-reach
- 1647-minimum-deletions-to-make-character-frequencies-unique
- 1652-defuse-the-bomb
- 1654-minimum-jumps-to-reach-home
- 1656-design-an-ordered-stream
- 1657-determine-if-two-strings-are-close
- 1658-minimum-operations-to-reduce-x-to-zero
- 1662-check-if-two-string-arrays-are-equivalent
- 1667-fix-names-in-a-table
- 1669-merge-in-between-linked-lists
- 1671-minimum-number-of-removals-to-make-mountain-array
- 1672-richest-customer-wealth
- 1673-find-the-most-competitive-subsequence
- 1674-minimum-moves-to-make-array-complementary
- 1675-minimize-deviation-in-array
- 1678-goal-parser-interpretation
- 1685-sum-of-absolute-differences-in-a-sorted-array
- 1688-count-of-matches-in-tournament
- 1689-partitioning-into-minimum-number-of-deci-binary-numbers
- 1693-daily-leads-and-partners
- 1694-reformat-phone-number
- 1697-checking-existence-of-edge-length-limited-paths
- 1702-maximum-binary-string-after-change
- 1704-determine-if-string-halves-are-alike
- 1705-maximum-number-of-eaten-apples
- 1710-maximum-units-on-a-truck
- 1716-calculate-money-in-leetcode-bank
- 1717-maximum-score-from-removing-substrings
- 1720-decode-xored-array
- 1721-swapping-nodes-in-a-linked-list
- 1725-number-of-rectangles-that-can-form-the-largest-square
- 1729-find-followers-count
- 1732-find-the-highest-altitude
- 1741-find-total-time-spent-by-each-employee
- 1742-maximum-number-of-balls-in-a-box
- 1743-restore-the-array-from-adjacent-pairs
- 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
- 1753-maximum-score-from-removing-stones
- 1757-recyclable-and-low-fat-products
- 1758-minimum-changes-to-make-alternating-binary-string
- 1759-count-number-of-homogenous-substrings
- 1760-minimum-limit-of-balls-in-a-bag
- 1763-longest-nice-substring
- 1768-merge-strings-alternately copy
- 1768-merge-strings-alternately
- 1769-minimum-number-of-operations-to-move-all-balls-to-each-box
- 1770-maximum-score-from-performing-multiplication-operations
- 1771-maximize-palindrome-length-from-subsequences
- 1774-closest-dessert-cost
- 1775-equal-sum-arrays-with-minimum-number-of-operations
- 1779-find-nearest-point-that-has-the-same-x-or-y-coordinate
- 1790-check-if-one-string-swap-can-make-strings-equal
- 1791-find-center-of-star-graph
- 1793-maximum-score-of-a-good-subarray
- 1795-rearrange-products-table
- 1796-second-largest-digit-in-a-string
- 1797-design-authentication-manager
- 1799-maximize-score-after-n-operations
- 18-4sum
- 1800-maximum-ascending-subarray-sum
- 1801-number-of-orders-in-the-backlog
- 1802-maximum-value-at-a-given-index-in-a-bounded-array
- 1807-evaluate-the-bracket-pairs-of-a-string
- 1813-sentence-similarity-iii
- 1814-count-nice-pairs-in-an-array
- 1815-maximum-number-of-groups-getting-fresh-donuts
- 1816-truncate-sentence
- 1817-finding-the-users-active-minutes
- 1818-minimum-absolute-sum-difference
- 1819-construct-the-lexicographically-largest-valid-sequence
- 1822-sign-of-the-product-of-an-array
- 1823-find-the-winner-of-the-circular-game
- 1829-maximum-xor-for-each-query
- 1832-check-if-the-sentence-is-pangram
- 1833-maximum-ice-cream-bars
- 1834-single-threaded-cpu
- 1838-frequency-of-the-most-frequent-element
- 1839-longest-substring-of-all-vowels-in-order
- 1844-replace-all-digits-with-characters
- 1845-seat-reservation-manager
- 1848-minimum-distance-to-the-target-element
- 1849-maximum-absolute-sum-of-any-subarray
- 1852-distinct-numbers-in-each-subarray
- 1854-maximum-population-year
- 1855-maximum-distance-between-a-pair-of-values
- 1856-maximum-subarray-min-product
- 1857-largest-color-value-in-a-directed-graph
- 1861-rotating-the-box
- 1864-minimum-number-of-swaps-to-make-the-binary-string-alternating
- 1870-minimum-speed-to-arrive-on-time
- 1873-calculate-special-bonus
- 1876-substrings-of-size-three-with-distinct-characters
- 1877-minimize-maximum-pair-sum-in-array
- 1878-check-if-array-is-sorted-and-rotated
- 1879-minimum-xor-sum-of-two-arrays
- 1880-check-if-word-equals-summation-of-two-words
- 1882-process-tasks-using-servers
- 1886-determine-whether-matrix-can-be-obtained-by-rotation
- 1887-reduction-operations-to-make-the-array-elements-equal
- 1889-check-if-number-is-a-sum-of-powers-of-three
- 189-rotate-array
- 1890-the-latest-login-in-2020
- 1893-check-if-all-the-integers-in-a-range-are-covered
- 1894-find-the-student-that-will-replace-the-chalk
- 1897-redistribute-characters-to-make-all-strings-equal
- 1903-largest-odd-number-in-string
- 1909-remove-one-element-to-make-the-array-strictly-increasing
- 1910-remove-all-occurrences-of-a-substring
- 1911-maximum-alternating-subsequence-sum
- 1913-maximum-product-difference-between-two-pairs
- 1915-check-if-one-string-swap-can-make-strings-equal
- 1920-build-array-from-permutation
- 1921-eliminate-maximum-number-of-monsters
- 1925-count-square-sum-triples
- 1927-maximum-ascending-subarray-sum
- 1930-unique-length-3-palindromic-subsequences
- 1937-maximum-number-of-points-with-cost
- 1941-check-if-all-characters-have-equal-number-of-occurrences
- 1957-delete-characters-to-make-fancy-string
- 1962-remove-stones-to-minimize-the-total
- 1963-minimum-number-of-swaps-to-make-the-string-balanced
- 1964-find-the-longest-valid-obstacle-course-at-each-position
- 1965-employees-with-missing-information
- 1967-number-of-strings-that-appear-as-substrings-in-word
- 197-rising-temperature
- 1970-last-day-where-you-can-still-cross
- 1971-find-if-path-exists-in-graph
- 1976-number-of-ways-to-arrive-at-destination
- 1981-minimize-the-difference-between-target-and-chosen-elements
- 1987-number-of-unique-good-subsequences
- 199-binary-tree-right-side-view
- 1995-count-special-quadruplets
- 1996-the-number-of-weak-characters-in-the-game
- 200-number-of-islands
- 2000-reverse-prefix-of-word
- 2001-number-of-pairs-of-interchangeable-rectangles
- 2007-find-original-array-from-doubled-array
- 2009-minimum-number-of-operations-to-make-array-continuous
- 201-bitwise-and-of-numbers-range
- 2011-final-value-of-variable-after-performing-operations
- 2012-sum-of-beauty-in-the-array
- 2016-maximum-difference-between-increasing-elements
- 2021-remove-all-occurrences-of-a-substring
- 2022-convert-1d-array-into-2d-array
- 2023-number-of-pairs-of-strings-with-concatenation-equal-to-target
- 2024-maximize-the-confusion-of-an-exam
- 2027-minimum-moves-to-convert-string
- 2028-find-missing-observations
- 2032-two-out-of-three
- 2038-remove-colored-pieces-if-both-neighbors-are-the-same-color
- 2039-the-time-when-the-network-becomes-idle
- 2043-simple-bank-system
- 2044-count-number-of-maximum-bitwise-or-subsets
- 2047-number-of-valid-words-in-a-sentence
- 2049-count-nodes-with-the-highest-score
- 205-isomorphic-strings
- 2050-parallel-courses-iii
- 2054-two-best-non-overlapping-events
- 2057-smallest-index-with-equal-value
- 2058-find-the-minimum-and-maximum-number-of-nodes-between-critical-points
- 2059-minimum-operations-to-convert-number
- 2062-count-vowel-substrings-of-a-string
- 2063-vowels-of-all-substrings
- 2064-minimized-maximum-of-products-distributed-to-any-store
- 2068-check-whether-two-strings-are-almost-equivalent
- 2070-most-beautiful-item-for-each-query
- 2073-time-needed-to-buy-tickets
- 2074-reverse-nodes-in-even-length-groups
- 2078-two-furthest-houses-with-different-colors
- 2080-range-frequency-queries
- 2090-k-radius-subarray-averages
- 2092-find-all-people-with-secret
- 2094-finding-3-digit-even-numbers
- 2096-step-by-step-directions-from-a-binary-tree-node-to-another
- 2101-detonate-the-maximum-bombs
- 2103-rings-and-rods
- 2104-sum-of-subarray-ranges
- 2107-find-unique-binary-string
- 2110-number-of-smooth-descent-periods-of-a-stock
- 2111-minimum-operations-to-make-the-array-k-increasing
- 2114-maximum-number-of-words-found-in-sentences
- 2115-find-all-possible-recipes-from-given-supplies
- 2116-check-if-a-parentheses-string-can-be-valid
- 2120-execution-of-all-suffix-instructions-staying-in-a-grid
- 2122-recover-the-original-array
- 2126-destroying-asteroids
- 2129-capitalize-the-title
- 2130-maximum-twin-sum-of-a-linked-list
- 2131-longest-palindrome-by-concatenating-two-letter-words
- 2135-count-words-obtained-after-adding-a-letter
- 2138-divide-a-string-into-groups-of-size-k
- 2140-solving-questions-with-brainpower
- 2141-maximum-running-time-of-n-computers
- 2146-k-highest-ranked-items-within-a-price-range
- 2147-number-of-ways-to-divide-a-long-corridor
- 2149-rearrange-array-elements-by-sign
- 216-combination-sum-iii
- 2161-partition-array-according-to-given-pivot
- 2163-minimum-difference-in-sums-after-removal-of-elements
- 2165-smallest-value-of-the-rearranged-number
- 2170-minimum-operations-to-make-the-array-alternating
- 2172-maximum-and-sum-of-array
- 2177-find-three-consecutive-integers-that-sum-to-a-given-number
- 2178-maximum-split-of-positive-even-integers
- 2181-merge-nodes-in-between-zeros
- 2183-count-array-pairs-divisible-by-k
- 2186-minimum-number-of-steps-to-make-two-strings-anagram-ii
- 2187-minimum-time-to-complete-trips
- 2190-most-frequent-number-following-key-in-an-array
- 2191-sort-the-jumbled-numbers
- 2192-all-ancestors-of-a-node-in-a-directed-acyclic-graph
- 2193-minimum-number-of-moves-to-make-palindrome
- 2194-cells-in-a-range-on-an-excel-sheet
- 2195-append-k-integers-with-minimal-sum
- 2196-create-binary-tree-from-descriptions
- 22-generate-parentheses
- 2200-find-all-k-distant-indices-in-an-array
- 2207-maximize-number-of-subsequences-in-a-string
- 2208-minimum-operations-to-halve-array-sum
- 2215-find-the-difference-of-two-arrays
- 2216-minimum-deletions-to-make-array-beautiful
- 2217-find-palindrome-with-fixed-length
- 2218-maximum-value-of-k-coins-from-piles
- 2220-minimum-bit-flips-to-convert-number
- 2222-number-of-ways-to-select-buildings
- 2225-find-players-with-zero-or-one-losses
- 2226-maximum-candies-allocated-to-k-children
- 2231-largest-number-after-digit-swaps-by-parity
- 2233-maximum-product-after-k-increments
- 2241-design-an-atm-machine
- 2244-minimum-rounds-to-complete-all-tasks
- 2246-longest-path-with-different-adjacent-characters
- 2251-number-of-flowers-in-full-bloom
- 2259-remove-digit-from-number-to-maximize-result
- 226-invert-binary-tree
- 2262-total-appeal-of-a-string
- 2264-largest-3-same-digit-number-in-string
- 2265-count-nodes-equal-to-average-of-subtree
- 2265-partition-array-according-to-given-pivot
- 2267-check-if-there-is-a-valid-parentheses-string-path
- 2270-number-of-ways-to-split-array
- 2271-maximum-white-tiles-covered-by-a-carpet
- 2274-maximum-consecutive-floors-without-special-floors
- 2278-percentage-of-letter-in-string
- 2279-maximum-bags-with-full-capacity-of-rocks
- 2281-sum-of-total-strength-of-wizards
- 2284-sender-with-largest-word-count
- 2287-rearrange-characters-to-make-target-string
- 2289-steps-to-make-array-non-decreasing
- 229-majority-element-ii
- 2290-minimum-obstacle-removal-to-reach-corner
- 2291-maximum-profit-from-trading-stocks
- 2292-counting-words-with-a-given-prefix
- 2293-min-max-game
- 2295-replace-elements-in-an-array
- 2296-design-a-text-editor
- 2299-strong-password-checker-ii
- 23-merge-k-sorted-lists
- 2300-successful-pairs-of-spells-and-potions
- 2301-match-substring-after-replacement
- 2302-count-subarrays-with-score-less-than-k
- 2303-calculate-amount-paid-in-taxes
- 2305-fair-distribution-of-cookies
- 2306-naming-a-company
- 2309-greatest-english-letter-in-upper-and-lower-case
- 231-power-of-two
- 2315-count-asterisks
- 2316-count-unreachable-pairs-of-nodes-in-an-undirected-graph
- 2317-maximum-xor-after-operations
- 2319-check-if-matrix-is-x-matrix
- 2321-maximum-score-of-spliced-array
- 2325-decode-the-message
- 2326-spiral-matrix-iv
- 2327-number-of-people-aware-of-a-secret
- 2328-number-of-increasing-paths-in-a-grid
- 2331-evaluate-boolean-binary-tree
- 2334-subarray-with-elements-greater-than-varying-threshold
- 2335-minimum-amount-of-time-to-fill-cups
- 2336-smallest-number-in-infinite-set
- 2337-move-pieces-to-obtain-a-string
- 234-palindrome-linked-list
- 2341-maximum-number-of-pairs-in-array
- 2343-query-kth-smallest-trimmed-number
- 2344-minimum-deletions-to-make-array-divisible
- 2347-best-poker-hand
- 2348-number-of-zero-filled-subarrays copy
- 2348-number-of-zero-filled-subarrays
- 235-lowest-common-ancestor-of-a-binary-search-tree
- 2351-first-letter-to-appear-twice
- 2352-equal-row-and-column-pairs
- 2353-design-a-food-rating-system
- 2354-number-of-excellent-pairs
- 2356-number-of-unique-subjects-taught-by-each-teacher
- 2357-make-array-zero-by-subtracting-equal-amounts
- 2358-maximum-number-of-groups-entering-a-competition
- 2359-find-closest-node-to-given-two-nodes
- 236-lowest-common-ancestor-of-a-binary-tree
- 2360-longest-cycle-in-a-graph
- 2363-merge-similar-items
- 2364-count-number-of-bad-pairs
- 2366-minimum-replacements-to-sort-the-array
- 2367-number-of-arithmetic-triplets
- 2368-reachable-nodes-with-restrictions
- 2369-check-if-there-is-a-valid-partition-for-the-array
- 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
- 238-product-of-array-except-self
- 2380-time-needed-to-rearrange-a-binary-string
- 2381-shifting-letters-ii
- 2384-largest-palindromic-number
- 2385-amount-of-time-for-binary-tree-to-be-infected
- 2389-longest-subsequence-with-limited-sum
- 2390-removing-stars-from-a-string
- 2391-minimum-amount-of-time-to-collect-garbage
- 2395-find-subarrays-with-equal-sum
- 2396-strictly-palindromic-number
- 240-search-a-2d-matrix-ii
- 2401-longest-nice-subarray
- 2404-most-frequent-even-element
- 2405-optimal-partition-of-string
- 2406-divide-intervals-into-minimum-number-of-groups
- 2409-count-days-spent-together
- 2410-maximum-matching-of-players-with-trainers
- 2411-smallest-subarrays-with-maximum-bitwise-or
- 2412-minimum-money-required-before-transactions
- 2413-smallest-even-multiple
- 2414-length-of-the-longest-alphabetical-continuous-substring
- 2415-reverse-odd-levels-of-binary-tree
- 2416-sum-of-prefix-scores-of-strings
- 2417-closest-fair-integer
- 2418-sort-the-people
- 2419-longest-subarray-with-maximum-bitwise-and
- 242-valid-anagram
- 2420-find-all-good-indices
- 2421-number-of-good-paths
- 2423-remove-letter-to-equalize-frequency
- 2424-longest-uploaded-prefix
- 2425-bitwise-xor-of-all-pairings
- 2427-number-of-common-factors
- 2428-maximum-sum-of-an-hourglass
- 2429-minimize-xor
- 243-shortest-word-distance
- 2432-the-employee-that-worked-on-the-longest-task
- 2433-find-the-original-array-of-prefix-xor
- 2434-using-a-robot-to-print-the-lexicographically-smallest-string
- 1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence.cpp
- 146_LRU_Cache.cpp
- 1486 XOR Operation in an Array.cpp
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