File tree

• .problemSiteData.json
• README.md
• articles
  • README.md
  • add-two-numbers.md
  • anagram-groups.md
  • balanced-binary-tree.md
  • binary-search.md
  • binary-tree-diameter.md
  • binary-tree-from-preorder-and-inorder-traversal.md
  • binary-tree-maximum-path-sum.md
  • binary-tree-right-side-view.md
  • burst-balloons.md
  • buy-and-sell-crypto-with-cooldown.md
  • buy-and-sell-crypto.md
  • car-fleet.md
  • cheapest-flight-path.md
  • climbing-stairs.md
  • clone-graph.md
  • coin-change-ii.md
  • coin-change.md
  • combination-target-sum-ii.md
  • combination-target-sum.md
  • combinations-of-a-phone-number.md
  • copy-linked-list-with-random-pointer.md
  • count-connected-components.md
  • count-good-nodes-in-binary-tree.md
  • count-number-of-islands.md
  • count-paths.md
  • count-squares.md
  • count-subsequences.md
  • counting-bits.md
  • course-schedule-ii.md
  • course-schedule.md
  • daily-temperatures.md
  • decode-ways.md
  • depth-of-binary-tree.md
  • design-twitter-feed.md
  • design-word-search-data-structure.md
  • duplicate-integer.md
  • eating-bananas.md
  • edit-distance.md
  • evaluate-reverse-polish-notation.md
  • find-duplicate-integer.md
  • find-median-in-a-data-stream.md
  • find-minimum-in-rotated-sorted-array.md
  • find-target-in-rotated-sorted-array.md
  • foreign-dictionary.md
  • gas-station.md
  • generate-parentheses.md
  • hand-of-straights.md
  • house-robber-ii.md
  • house-robber.md
  • implement-prefix-tree.md
  • insert-new-interval.md
  • interleaving-string.md
  • invert-a-binary-tree.md
  • is-anagram.md
  • is-palindrome.md
  • islands-and-treasure.md
  • jump-game-ii.md
  • jump-game.md
  • k-closest-points-to-origin.md
  • kth-largest-element-in-an-array.md
  • kth-largest-integer-in-a-stream.md
  • kth-smallest-integer-in-bst.md
  • largest-rectangle-in-histogram.md
  • last-stone-weight.md
  • level-order-traversal-of-binary-tree.md
  • linked-list-cycle-detection.md
  • longest-common-subsequence.md
  • longest-consecutive-sequence.md
  • longest-increasing-path-in-matrix.md
  • longest-increasing-subsequence.md
  • longest-palindromic-substring.md
  • longest-repeating-substring-with-replacement.md
  • longest-substring-without-duplicates.md
  • lowest-common-ancestor-in-binary-search-tree.md
  • lru-cache.md
  • max-area-of-island.md
  • max-water-container.md
  • maximum-product-subarray.md
  • maximum-subarray.md
  • median-of-two-sorted-arrays.md
  • meeting-schedule-ii.md
  • meeting-schedule.md
  • merge-intervals.md
  • merge-k-sorted-linked-lists.md
  • merge-triplets-to-form-target.md
  • merge-two-sorted-linked-lists.md
  • min-cost-climbing-stairs.md
  • min-cost-to-connect-points.md
  • minimum-interval-including-query.md
  • minimum-stack.md
  • minimum-window-with-characters.md
  • missing-number.md
  • multiply-strings.md
  • n-queens.md
  • network-delay-time.md
  • non-cyclical-number.md
  • non-overlapping-intervals.md
  • number-of-one-bits.md
  • pacific-atlantic-water-flow.md
  • palindrome-partitioning.md
  • palindromic-substrings.md
  • partition-equal-subset-sum.md
  • partition-labels.md
  • permutation-string.md
  • permutations.md
  • plus-one.md
  • pow-x-n.md
  • products-of-array-discluding-self.md
  • reconstruct-flight-path.md
  • redundant-connection.md
  • regular-expression-matching.md
  • remove-node-from-end-of-linked-list.md
  • reorder-linked-list.md
  • reverse-a-linked-list.md
  • reverse-bits.md
  • reverse-integer.md
  • reverse-nodes-in-k-group.md
  • rotate-matrix.md
  • rotting-fruit.md
  • same-binary-tree.md
  • search-2d-matrix.md
  • search-for-word-ii.md
  • search-for-word.md
  • serialize-and-deserialize-binary-tree.md
  • set-zeroes-in-matrix.md
  • single-number.md
  • sliding-window-maximum.md
  • spiral-matrix.md
  • string-encode-and-decode.md
  • subsets-ii.md
  • subsets.md
  • subtree-of-a-binary-tree.md
  • sum-of-two-integers.md
  • surrounded-regions.md
  • swim-in-rising-water.md
  • target-sum.md
  • task-scheduling.md
  • three-integer-sum.md
  • time-based-key-value-store.md
  • top-k-elements-in-list.md
  • trapping-rain-water.md
  • two-integer-sum-ii.md
  • two-integer-sum.md
  • valid-binary-search-tree.md
  • valid-parenthesis-string.md
  • valid-sudoku.md
  • valid-tree.md
  • validate-parentheses.md
  • word-break.md
  • word-ladder.md
• c
  • 0013-roman-to-integer.c
  • 0019-remove-nth-node-from-end-of-list.c
  • 0051-n-queens.c
  • 0080-remove-duplicates-from-sorted-array-ii.c
  • 0162-find-peak-element.c
  • 0367-valid-perfect-square.c
  • 0540-single-element-in-a-sorted-array.c
  • 0665-non-decreasing-array.c
  • 1456-maximum-number-of-vowels-in-a-substring-of-given-length.c
  • 1822-sign-of-the-product-of-an-array.c
  • 2215-find-the-difference-of-two-arrays.c
• cpp
  • 0022-generate-parentheses.cpp
  • 0059-spiral-matrix-ii.cpp
  • 0071-simplify-path.cpp
  • 0077-combinations.cpp
  • 0101-symmetric-tree.cpp
  • 0104-maximum-depth-of-binary-tree.cpp
  • 0112-path-sum.cpp
  • 0130-surrounded-regions.cpp
  • 0138-copy-list-with-random-pointer.cpp
  • 0153-find-minimum-in-rotated-sorted-array.cpp
  • 0160-intersection-of-two-linked-lists.cpp
  • 0191-number-of-1-bits.cpp
  • 0215-kth-largest-element-in-an-array.cpp
  • 0231-power-of-two.cpp
  • 0242-valid-anagram.cpp
  • 0279-perfect-squares.cpp
  • 0289-game-of-life.cpp
  • 0341-flatten-nested-list-iterator.cpp
  • 0417-pacific-atlantic-water-flow.cpp
  • 0435-non-overlapping-intervals.cpp
  • 0451-sort-characters-by-frequency.cpp
  • 0606-construct-string-from-binary-tree.cpp
  • 0787-cheapest-flights-within-k-stops.cpp
  • 0895-maximum-frequency-stack.cpp
  • 0904-fruit-into-baskets.cpp
  • 0946-validate-stack-sequences.cpp
  • 1011-capacity-to-ship-packages-within-d-days.cpp
  • 1091-shortest-path-in-binary-matrix.cpp
  • 1249-minimum-remove-to-make-valid-parentheses.cpp
  • 1463-cherry-pickup-ii.cpp
  • 1470-shuffle-the-array.cpp
  • 1578-minimum-time-to-make-rope-colorful.cpp
  • 1603-design-parking-system.cpp
  • 1888-minimum-number-of-flips-to-make-the-binary-string-alternating.cpp
  • 1980-find-unique-binary-string.cpp
  • 2390-removing-stars-from-a-string.cpp
  • 2405-optimal-partition-of-string.cpp
• csharp
  • 0026-remove-duplicates-from-sorted-array.cs
  • 0047-permutations-ii.cs
  • 0052-n-queens-ii.cs
  • 0058-length-of-last-word.cs
  • 0063-unique-paths-ii.cs
  • 0077-combinations.cs
  • 0093-restore-ip-addresses.cs
  • 0144-binary-tree-preorder-traversal.cs
  • 0145-binary-tree-postorder-traversal.cs
  • 0148-sort-list.cs
  • 0168-excel-sheet-column-title.cs
  • 0171-excel-sheet-column-number.cs
  • 0219-contains-duplicate-ii.cs
  • 0225-implement-stack-using-queues.cs
  • 0232-implement-queue-using-stacks.cs
  • 0283-move-zeroes.cs
  • 0338-counting-bits.cs
  • 0374-guess-number-higher-or-lower.cs
  • 0523-continuous-subarray-sum.cs
  • 0535-encode-and-decode-tinyurl.cs
  • 0554-brick-wall.cs
  • 0958-check-completeness-of-a-binary-tree.cs
  • 1137-n-th-tribonacci-number.cs
  • 1239-maximum-length-of-a-concatenated-string-with-unique-characters.cs
  • 1343-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold.cs
  • 1396-design-underground-system.cs
  • 1603-design-parking-system.cs
  • 1963-minimum-number-of-swaps-to-make-the-string-balanced.cs
  • 1984-minimum-difference-between-highest-and-lowest-of-k-scores.cs
  • 2390-removing-stars-from-a-string.cs
• dart
  • 0002-add-two-numbers.dart
  • 0003-longest-substring-without-repeating-characters.dart
  • 0004-median-of-two-sorted-arrays.dart
  • 0015-3sum.dart
  • 0028-find-the-index-of-the-first-occurrence-in-a-string.dart
  • 0042-trapping-rain-water.dart
  • 0121-best-time-to-buy-and-sell-stock.dart
  • 0130-surrounded-regions.dart
  • 0150-evaluate-reverse-polish-notation.dart
  • 0155-min-stack.dart
  • 0169-majority-element.dart
  • 0226-invert-binary-tree.dart
  • 0347-top-k-frequent-elements.dart
  • 0746-min-cost-climbing-stairs.dart
  • 0929-unique-email-addresses.dart
  • 1143-longest-common-subsequence.dart
  • 1929-concatenation-of-array.dart
• go
  • 0015-3sum.go
  • 0034-find-first-and-last-position-of-element-in-sorted-array.go
  • 0036-valid-sudoku.go
  • 0128-longest-consecutive-sequence.go
  • 0129-sum-root-to-leaf-numbers.go
  • 0147-insertion-sort-list.go
  • 0187-repeated-dna-sequences.go
  • 0219-contains-duplicate-ii.go
  • 0252-meeting-rooms.go
  • 0303-range-sum-query.go
  • 0347-top-k-frequent-elements.go
  • 0367-valid-perfect-square.go
  • 0451-sort-characters-by-frequency.go
  • 0554-brick-wall.go
  • 0658-find-k-closest-elements.go
  • 0678-valid-parenthesis-string.go
  • 0706-design-hashmap.go
  • 0735-asteroid-collision.go
  • 0881-boats-to-save-people.go
  • 0948-bag-of-tokens.go
  • 0958-check-completeness-of-a-binary-tree.go
  • 1091-shortest-path-in-binary-matrix.go
  • 1343-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold.go
  • 1456-maximum-number-of-vowels-in-a-substring-of-given-length.go
  • 1512-number-of-good-pairs.go
  • 1658-minimum-operations-to-reduce-x-to-zero.go
  • 1669-merge-in-between-linked-lists.go
  • 1898-maximum-number-of-removable-characters.go
  • 1963-minimum-number-of-swaps-to-make-the-string-balanced.go
  • 1968-array-with-elements-not-equal-to-average-of-neighbors.go
• hints
  • duplicate-integer.md
• java
  • 0015-3sum.java
  • 0022-generate-parentheses.java
  • 0049-group-anagrams.java
  • 0051-n-queens.java
  • 0052-n-queens-ii.java
  • 0059-spiral-matrix-ii.java
  • 0068-text-justification.java
  • 0080-remove-duplicates-from-sorted-array-ii.java
  • 0095-unique-binary-search-trees-ii.java
  • 0101-symmetric-tree.java
  • 0103-binary-tree-zigzag-level-order-traversal.java
  • 0110-balanced-binary-tree.java
  • 0116-populating-next-right-pointers-in-each-node.java
  • 0142-linked-list-cycle-ii.java
  • 0144-binary-tree-preorder-traversal.java
  • 0147-insertion-sort-list.java
  • 0149-max-points-on-a-line.java
  • 0162-find-peak-element.java
  • 0165-compare-version-numbers.java
  • 0201-bitwise-and-of-numbers-range.java
  • 0235-lowest-common-ancestor-of-a-binary-search-tree.java
  • 0256-paint-house.java
  • 0279-perfect-squares.java
  • 0280-wiggle-sort.java
  • 0349-intersection-of-two-arrays.java
  • 0387-first-unique-character-in-a-string.java
  • 0399-evaluate-division.java
  • 0402-remove-k-digits.java
  • 0410-split-array-largest-sum.java
  • 0427-construct-quad-tree.java
  • 0442-find-all-duplicates-in-an-array.java
  • 0446-arithmetic-slices-ii-subsequence.java
  • 0450-delete-node-in-a-bst.java
  • 0451-sort-characters-by-frequency.java
  • 0452-minimum-number-of-arrows-to-burst-balloons.java
  • 0455-assign-cookies.java
  • 0460-lfu-cache.java
  • 0474-ones-and-zeroes.java
  • 0502-ipo.java
  • 0514-freedom-trail.java
  • 0525-contiguous-array.java
  • 0538-convert-bst-to-greater-tree.java
  • 0576-out-of-boundary-paths.java
  • 0647-palindromic-substrings.java
  • 0658-find-k-closest-elements.java
  • 0662-maximum-width-of-binary-tree.java
  • 0670-maximum-swap.java
  • 0673-number-of-longest-increasing-subsequence.java
  • 0700-search-in-a-binary-search-tree.java
  • 0731-my-calendar-ii.java
  • 0740-delete-and-earn.java
  • 0752-open-the-lock.java
  • 0783-minimum-distance-between-bst-nodes.java
  • 0791-custom-sort-string.java
  • 0837-new-21-game.java
  • 0872-leaf-similar-trees.java
  • 0895-maximum-frequency-stack.java
  • 0907-sum-of-subarray-minimums.java
  • 0930-binary-subarrays-with-sum.java
  • 0931-minimum-falling-path-sum.java
  • 0934-shortest-bridge.java
  • 0938-range-sum-of-bst.java
  • 0948-bag-of-tokens.java
  • 0950-reveal-cards-in-increasing-order.java
  • 0974-subarray-sums-divisible-by-k.java
  • 1041-robot-bounded-in-circle.java
  • 1043-partition-array-for-maximum-sum.java
  • 1071-greatest-common-divisor-of-strings.java
  • 1094-car-pooling.java
  • 1105-filling-bookcase-shelves.java
  • 1129-shortest-path-with-alternating-colors.java
  • 1140-stone-game-ii.java
  • 1207-unique-number-of-occurrences.java
  • 1209-remove-all-adjacent-duplicates-in-string-ii.java
  • 1220-Count-Vowels-Permutation.java
  • 1220-count-vowels-permutation.java
  • 1225-maximum-score-words-formed-by-letters.java
  • 1235-maximum-profit-in-job-scheduling.java
  • 1248-count-number-of-nice-subarrays.java
  • 1255-maximum-score-words-formed-by-letters.java
  • 1291-sequential-digits.java
  • 1347-minimum-number-of-steps-to-make-two-strings-anagram.java
  • 1371-find-the-longest-substring-containing-vowels-in-even-counts.java
  • 1376-time-needed-to-inform-all-employees.java
  • 1405-longest-happy-string.java
  • 1442-count-triplets-that-can-form-two-arrays-of-equal-xor.java
  • 1457-pseudo-palindromic-paths-in-a-binary-tree.java
  • 1462-course-schedule-iv.java
  • 1481-least-number-of-unique-integers-after-k-removals.java
  • 1498-number-of-subsequences-that-satisfy-the-given-sum-condition.java
  • 1509-minimum-difference-between-largest-and-smallest-value-in-three-moves.java
  • 1545-find-kth-bit-in-nth-binary-string.java
  • 1553-minimum-number-of-days-to-eat-n-oranges.java
  • 1568-minimum-number-of-days-to-disconnect-island.java
  • 1572-matrix-diagonal-sum.java
  • 1608-special-array-with-x-elements-greater-than-or-equal-x.java
  • 1609-even-odd-tree.java
  • 1624-largest-substring-between-two-equal-characters.java
  • 1626-best-team-with-no-conflicts.java
  • 1642-furthest-building-you-can-reach.java
  • 1657-determine-if-two-strings-are-close.java
  • 1669-merge-in-between-linked-lists.java
  • 1750-minimum-length-of-string-after-deleting-similar-ends.java
  • 1849-splitting-a-string-into-descending-consecutive-values.java
  • 1882-process-tasks-using-servers.java
  • 1898-maximum-number-of-removable-characters.java
  • 1968-array-with-elements-not-equal-to-average-of-neighbors.java
  • 1993-operations-on-tree.java
  • 2092-find-all-people-with-secret.java
  • 2108-find-first-palindromic-string-in-the-array.java
  • 2125-number-of-laser-beams-in-a-bank.java
  • 2149-rearrange-array-elements-by-signs.java
  • 2220-minimum-bit-flips-to-convert-number.java
  • 2225-find-players-with-zero-or-one-losses.java
  • 2300-successful-pairs-of-spells-and-potions.java
  • 2385-amount-of-time-for-binary-tree-to-be-infected.java
  • 2486-append-characters-to-string-to-make-subsequence.java
  • 2610-convert-an-array-into-a-2d-array-with-conditions.java
  • 2707-extra-characters-in-a-string.java
  • 2971-find-polygon-with-the-largest-perimeter.java
• javascript
  • 0021-merge-two-sorted-lists.js
  • 0026-remove-duplicates-from-sorted-array.js
  • 0036-valid-sudoku.js
  • 0066-plus-one.js
  • 0067-add-binary.js
  • 0095-unique-binary-search-trees-ii.js
  • 0096-unique-binary-search-trees.js
  • 0100-same-tree.js
  • 0101-symmetric-tree.js
  • 0103-binary-tree-zigzag-level-order-traversal.js
  • 0106-construct-binary-tree-from-inorder-and-postorder-traversal.js
  • 0129-sum-root-to-leaf-numbers.js
  • 0135-candy.js
  • 0144-binary-tree-preorder-traversal.js
  • 0145-binary-tree-postorder-traversal.js
  • 0219-contains-duplicate-ii.js
  • 0235-lowest-common-ancestor-of-a-binary-search-tree.js
  • 0273-integer-to-english-words.js
  • 0337-house-robber-iii.js
  • 0448-find-all-numbers-disappeared-in-an-array.js
  • 0450-delete-node-in-a-bst.js
  • 0502-ipo.js
  • 0513-find-bottom-left-tree-value.js
  • 0515-find-largest-value-in-each-tree-row.js
  • 0538-convert-bst-to-greater-tree.js
  • 0572-subtree-of-another-tree.js
  • 0606-construct-string-from-binary-tree.js
  • 0652-find-duplicate-subtrees.js
  • 0701-insert-into-a-binary-search-tree.js
  • 0707-design-linked-list.js
  • 0739-daily-temperatures.js
  • 0752-open-the-lock.js
  • 0767-reorganize-string.js
  • 0783-minimum-distance-between-bst-nodes.js
  • 0838-push-dominoes.js
  • 0861-score-after-flipping-matrix.js
  • 0872-leaf-similar-trees.js
  • 0894-all-possible-full-binary-trees.js
  • 0909-snakes-and-ladders.js
  • 0938-range-sum-of-bst.js
  • 0951-flip-equivalent-binary-trees.js
  • 0958-check-completeness-of-a-binary-tree.js
  • 0978-longest-turbulent-subarray.js
  • 0988-smallest-string-starting-from-leaf.js
  • 1094-car-pooling.js
  • 1325-delete-leaves-with-a-given-value.js
  • 1343-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold.js
  • 1361-validate-binary-tree-nodes.js
  • 1376-time-needed-to-inform-all-employees.js
  • 1383-maximum-performance-of-a-team.js
  • 1405-longest-happy-string.js
  • 1423-maximum-points-you-can-obtain-from-cards.js
  • 1443-minimum-time-to-collect-all-apples-in-a-tree.js
  • 1457-pseudo-palindromic-paths-in-a-binary-tree.js
  • 1481-least-number-of-unique-integers-after-k-removals.js
  • 1609-even-odd-tree.js
  • 1614-maximum-nesting-depth-of-the-parentheses.js
  • 1642-furthest-building-you-can-reach.js
  • 1647-minimum-deletions-to-make-character-frequencies-unique.js
  • 1845-seat-reservation-manager.js
  • 1846-maximum-element-after-decreasing-and-rearranging.js
  • 1882-process-tasks-using-servers.js
  • 1921-eliminate-maximum-number-of-monsters.js
  • 1985-find-the-kth-largest-integer-in-the-array.js
  • 1993-operations-on-tree.js
  • 2038-remove-colored-pieces-if-both-neighbors-are-the-same-color.js
  • 2125-number-of-laser-beams-in-a-bank.js
  • 2331-evaluate-boolean-binary-tree.js
  • 2348-number-of-zero-filled-subarrays.js
  • 2439-minimize-maximum-of-array.js
  • 2542-maximum-subsequence-score.js
  • 2635-apply-transform-over-each-element-in-array.js
  • 2704-to-be-or-not-to-be.js
  • 2706-buy-two-chocolates.js
  • 2864-maximum-odd-binary-number.js
• kotlin
  • 0155-min-stack.kt
  • 0198-house-robber.kt
  • 0201-bitwise-and-of-numbers-range.kt
  • 0231-power-of-two.kt
  • 0232-implement-queue-using-stacks.kt
  • 0261-graph-valid-tree.kt
  • 0286-walls-and-gates.kt
  • 0312-burst-balloons.kt
  • 0349-intersection-of-two-arrays.kt
  • 0368-largest-divisible-subset.kt
  • 0387-first-unique-character-in-a-string.kt
  • 0442-find-all-duplicates-in-an-array.kt
  • 0446-arithmetic-slices-ii-subsequence.kt
  • 0451-sort-characters-by-frequency.kt
  • 0452-minimum-number-of-arrows-to-burst-balloons.kt
  • 0455-assign-cookies.kt
  • 0525-contiguous-array.kt
  • 0576-out-of-boundary-paths.kt
  • 0629-k-inverse-pairs-array.kt
  • 0645-set-mismatch.kt
  • 0707-design-linked-list.kt
  • 0872-leaf-similar-trees.kt
  • 0907-sum-of-subarray-minimums.kt
  • 0930-binary-subarrays-with-sum.kt
  • 0931-minimum-falling-path-sum.kt
  • 0938-range-sum-of-bst.kt
  • 0948-bag-of-tokens.kt
  • 0992-subarrays-with-k-different-integers.kt
  • 0997-find-the-town-judge.kt
  • 1043-partition-array-for-maximum-sum.kt
  • 1074-number-of-submatrices-that-sum-to-target.kt
  • 1143-longest-common-subsequence.kt
  • 1155-number-of-dice-rolls-with-target-sum.kt
  • 1235-maximum-profit-in-job-scheduling.kt
  • 1239-maximum-length-of-a-concatenated-string-with-unique-characters.kt
  • 1291-sequential-digits.kt
  • 1335-minimum-difficulty-of-a-job-schedule.kt
  • 1457-pseudo-palindromic-paths-in-a-binary-tree.kt
  • 1463-cherry-pickup-ii.kt
  • 1481-least-number-of-unique-integers-after-k-removals.kt
  • 1531-string-compression-ii.kt
  • 1578-minimum-time-to-make-rope-colorful.kt
  • 1609-even-odd-tree.kt
  • 1624-largest-substring-between-two-equal-characters.kt
  • 1642-furthest-building-you-can-reach.kt
  • 1669-merge-in-between-linked-lists.kt
  • 1897-redistribute-characters-to-make-all-strings-equal.kt
  • 2092-find-all-people-with-secret.kt
  • 2108-find-first-palindromic-string-in-the-array.kt
  • 2125-number-of-laser-beams-in-a-bank.kt
  • 2149-rearrange-array-elements-by-sign.kt
  • 2402-meeting-rooms-iii.kt
  • 2610-convert-an-array-into-a-2d-array-with-conditions.kt
  • 2709-greatest-common-divisor-traversal.kt
  • 2864-maximum-odd-binary-number.kt
  • 2870-minimum-number-of-operations-to-make-array-empty.kt
  • 2971-find-polygon-with-the-largest-perimeter.kt
• python
  • 0005-longest-palindromic-substring.py
  • 0006-zigzag-conversion.py
  • 0014-longest-common-prefix.py
  • 0016-3sum-closest.py
  • 0027-remove-element.py
  • 0044-wildcard-matching.py
  • 0049-group-anagrams.py
  • 0058-length-of-last-word.py
  • 0076-minimum-window-substring.py
  • 0081-search-in-rotated-sorted-array-ii.py
  • 0100-same-tree.py
  • 0106-construct-binary-tree-from-inorder-and-postorder-traversal.py
  • 0112-path-sum.py
  • 0130-surrounded-regions.py
  • 0135-candy.py
  • 0151-reverse-words-in-a-string.py
  • 0200-number-of-islands.py
  • 0201-bitwise-and-of-numbers-range.py
  • 0208-implement-trie-prefix-tree.py
  • 0215-kth-largest-element-in-an-array.py
  • 0225-implement-stack-using-queues.py
  • 0231-power-of-two.py
  • 0241-different-ways-to-add-parentheses.py
  • 0242-valid-anagram.py
  • 0297-serialize-and-deserialize-binary-tree.py
  • 0332-reconstruct-itinerary.py
  • 0338-counting-bits.py
  • 0347-top-k-frequent-elements.py
  • 0349-intersection-of-two-arrays.py
  • 0442-find-all-duplicates-in-an-array.py
  • 0452-minimum-number-of-arrows-to-burst-balloons.py
  • 0513-find-bottom-left-tree-value.py
  • 0525-contiguous-array.py
  • 0572-subtree-of-another-tree.py
  • 0662-maximum-width-of-binary-tree.py
  • 0745-prefix-and-suffix-search.py
  • 0785-is-graph-bipartite.py
  • 0791-custom-sort-string.py
  • 0802-find-eventual-safe-states.py
  • 0895-maximum-frequency-stack.py
  • 0896-monotonic-array.py
  • 0930-binary-subarrays-with-sum.py
  • 0948-bag-of-tokens.py
  • 0997-find-the-town-judge.py
  • 1020-number-of-enclaves.py
  • 1074-number-of-submatrices-that-sum-to-target.py
  • 1254-number-of-closed-islands.py
  • 1288-remove-covered-intervals.py
  • 1345-jump-game-iv.py
  • 1396-design-underground-system.py
  • 1397-find-all-good-strings.py
  • 1423-maximum-points-you-can-obtain-from-cards.py
  • 1466-reorder-routes-to-make-all-paths-lead-to-the-city-zero.py
  • 1475-final-prices-with-a-special-discount-in-a-shop.py
  • 1481-least-number-of-unique-integers-after-k-removals.py
  • 1572-matrix-diagonal-sum.py
  • 1582-special-positions-in-a-binary-matrix.py
  • 1609-even-odd-tree.py
  • 1631-path-with-minimum-effort.py
  • 1642-furthest-building-you-can-reach.py
  • 1658-minimum-operations-to-reduce-x-to-zero.py
  • 1669-merge-in-between-linked-lists.py
  • 1750-minimum-length-of-string-after-deleting-similar-ends.py
  • 2092-find-all-people-with-secret.py
  • 2101-detonate-the-maximum-bombs.py
  • 2215-find-the-difference-of-two-arrays.py
  • 2235-add-two-integers.py
  • 2306-naming-a-company.py
  • 2402-meeting-rooms-iii.py
  • 2482-difference-between-ones-and-zeros-in-row-and-column.py
  • 2483-minimum-penalty-for-a-shop.py
  • 2554-maximum-number-of-integers-to-choose-from-a-range-i.py
  • 2616-minimize-the-maximum-difference-of-pairs.py
  • 2709-greatest-common-divisor-traversal.py
  • 2864-maximum-odd-binary-number.py
  • 2971-find-polygon-with-the-largest-perimeter.py
• ruby
  • 0020-valid-parentheses.rb
  • 0035-search-insert-position.rb
  • 0084-largest-rectangle-in-histogram.rb
  • 0392-is-subsequence.rb
  • 1929-concatenation-of-array.rb
• rust
  • 0021-merge-two-sorted-lists.rs
  • 0028-find-the-index-of-the-first-occurrence-in-a-string.rs
  • 0043-multiply-strings.rs
  • 0045-jump-game-ii.rs
  • 0050-powx-n.rs
  • 0063-unique-paths-ii.rs
  • 0072-edit-distance.rs
  • 0080-remove-duplicates-from-sorted-array-ii.rs
  • 0091-decode-ways.rs
  • 0101-symmetric-tree.rs
  • 0143-reorder-list.rs
  • 0200-number-of-islands.rs
  • 0435-non-overlapping-intervals.rs
  • 0438-find-all-anagrams-in-a-string.rs
  • 0441-arranging-coins.rs
  • 0502-ipo.rs
  • 0658-find-k-closest-elements.rs
  • 0678-valid-parenthesis-string.rs
  • 1345-jump-game-iv.rs
  • 1480-running-sum-of-1d-array.rs
  • 1700-number-of-students-unable-to-eat-lunch.rs
  • 1822-sign-of-the-product-of-an-array.rs
  • 1857-largest-color-value-in-a-directed-graph.rs
  • 2114-maximum-number-of-words-found-in-sentences.rs
  • 2444-count-subarrays-with-fixed-bounds.rs
• scala
  • 0058-length-of-last-word.scala
  • 0070-climbing-stairs.scala
  • 0704-binary-search.scala
• swift
  • 0004-median-of-two-sorted-arrays.swift
  • 0005-longest-palindromic-substring.swift
  • 0010-regular-expression-matching.swift
  • 0014-longest-common-prefix.swift
  • 0018-4sum.swift
  • 0040-combination-sum-ii.swift
  • 0047-permutations-ii.swift
  • 0051-n-queens.swift
  • 0054-spiral-matrix.swift
  • 0056-merge-intervals.swift
  • 0062-unique-paths.swift
  • 0063-unique-paths-ii.swift
  • 0077-combinations.swift
  • 0083-remove-duplicates-from-sorted-list.swift
  • 0084-largest-rectangle-in-histogram.swift
  • 0090-subsets-ii.swift
  • 0091-decode-ways.swift
  • 0097-interleaving-string.swift
  • 0105-construct-binary-tree-from-preorder-and-inorder-traversal.swift
  • 0115-distinct-subsequences.swift
  • 0127-word-ladder.swift
  • 0139-word-break.swift
  • 0142-linked-list-cycle-ii.swift
  • 0143-reorder-list.swift
  • 0144-binary-tree-preorder-traversal.swift
  • 0145-binary-tree-postorder-traversal.swift
  • 0173-binary-search-tree-iterator.swift
  • 0209-minimum-size-subarray-sum.swift
  • 0210-course-schedule-ii.swift
  • 0211-design-add-and-search-words-data-structure.swift
  • 0215-kth-largest-element-in-an-array.swift
  • 0219-contains-duplicate-ii.swift
  • 0225-implement-stack-using-queues.swift
  • 0239-sliding-window-maximum.swift
  • 0252-meeting-rooms.swift
  • 0253-meeting-rooms-ii.swift
  • 0269-alien-dictionary.swift
  • 0278-first-bad-version.swift
  • 0286-walls-and-gates.swift
  • 0295-find-median-from-data-stream.swift
  • 0300-longest-increasing-subsequence.swift
  • 0303-range-sum-query-immutable.swift
  • 0304-range-sum-query-2d-immutable.swift
  • 0307-range-sum-query-mutable.swift
  • 0312-burst-balloons.swift
  • 0322-coin-change.swift
  • 0329-longest-increasing-path-in-a-matrix.swift
  • 0332-reconstruct-itinerary.swift
  • 0355-design-twitter.swift
  • 0416-partition-equal-subset-sum.swift
  • 0417-pacific-atlantic-water-flow.swift
  • 0435-non-overlapping-intervals.swift
  • 0450-delete-node-in-a-bst.swift
  • 0474-ones-and-zeroes.swift
  • 0480-sliding-window-median.swift
  • 0494-target-sum.swift
  • 0502-ipo.swift
  • 0503-next-greater-element-ii.swift
  • 0509-fibonacci-number.swift
  • 0516-longest-palindromic-subsequence.swift
  • 0518-coin-change-ii.swift
  • 0560-subarray-sum-equals-k.swift
  • 0567-permutation-in-string.swift
  • 0621-task-scheduler.swift
  • 0647-palindromic-substrings.swift
  • 0678-valid-parenthesis-string.swift
  • 0684-redundant-connection.swift
  • 0700-search-in-a-binary-search-tree.swift
  • 0701-insert-into-a-binary-search-tree.swift
  • 0705-design-hashset.swift
  • 0706-design-hashmap.swift
  • 0707-design-linked-list.swift
  • 0721-accounts-merge.swift
  • 0735-asteroid-collision.swift
  • 0743-network-delay-time.swift
  • 0745-prefix-and-suffix-search.swift
  • 0763-partition-labels.swift
  • 0778-swim-in-rising-water.swift
  • 0787-cheapest-flights-within-k-stops.swift
  • 0846-hand-of-straights.swift
  • 0853-car-fleet.swift
  • 0867-transpose-matrix.swift
  • 0896-monotonic-array.swift
  • 0912-sort-an-array.swift
  • 0918-maximum-sum-circular-subarray.swift
  • 0973-k-closest-points-to-origin.swift
  • 0977-squares-of-a-sorted-array.swift
  • 0978-longest-turbulent-subarray.swift
  • 0981-time-based-key-value-store.swift
  • 0983-minimum-cost-for-tickets.swift
  • 0994-rotting-oranges.swift
  • 1046-last-stone-weight.swift
  • 1049-last-stone-weight-ii.swift
  • 1091-shortest-path-in-binary-matrix.swift
  • 1092-shortest-common-supersequence.swift
  • 1203-sort-items-by-groups-respecting-dependencies.swift
  • 1343-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold.swift
  • 1462-course-schedule-iv.swift
  • 1472-design-browser-history.swift
  • 1489-find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree.swift
  • 1514-path-with-maximum-probability.swift
  • 1700-number-of-students-unable-to-eat-lunch.swift
  • 1851-minimum-interval-to-include-each-query.swift
  • 2130-maximum-twin-sum-of-a-linked-list.swift
  • 2407-longest-increasing-subsequence-ii.swift
• typescript
  • 0047-permutations-ii.ts
  • 0067-add-binary.ts
  • 0072-edit-distance.ts
  • 0079-word-search.ts
  • 0212-word-search-ii.ts
  • 0219-contains-duplicate-ii.ts
  • 0256-paint-house.ts
  • 0303-range-sum-query-immutable.ts
  • 0307-range-sum-query-mutable.ts
  • 0438-find-all-anagrams-in-a-string.ts
  • 0474-ones-and-zeroes.ts
  • 0494-target-sum.ts
  • 0502-ipo.ts
  • 0703-kth-largest-element-in-a-stream.ts
  • 0704-binary-search.ts
  • 0705-design-hashset.ts
  • 0743-network-delay-time.ts
  • 0778-swim-in-rising-water.ts
  • 0983-minimum-cost-for-tickets.ts
  • 1049-last-stone-weight-ii.ts
  • 1462-course-schedule-iv.ts
  • 1489-find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree.ts
  • 1514-path-with-maximum-probability.ts
  • 1584-min-cost-to-connect-all-points.ts
  • 2390-removing-stars-from-a-string.ts
  • 2469-convert-the-temperature.ts