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- 0001-two-sum.py
- 0002-add-two-numbers.py
- 0003-longest-substring-without-repeating-characters.py
- 0004-median-of-two-sorted-arrays.py
- 0005-longest-palindromic-substring.py
- 0006-zigzag-conversion.py
- 0007-reverse-integer.py
- 0009-palindrome-number.py
- 0010-regular-expression-matching.py
- 0011-container-with-most-water.py
- 0012-integer-to-roman.py
- 0013-roman-to-integer.py
- 0014-longest-common-prefix.py
- 0015-3sum.py
- 0016-3sum-closest.py
- 0017-letter-combinations-of-a-phone-number.py
- 0018-4sum.py
- 0019-remove-nth-node-from-end-of-list.py
- 0020-valid-parentheses.py
- 0021-merge-two-sorted-lists.py
- 0022-generate-parentheses.py
- 0023-merge-k-sorted-lists.py
- 0024-swap-nodes-in-pairs.py
- 0025-reverse-nodes-in-k-group.py
- 0026-remove-duplicates-from-sorted-array.py
- 0027-remove-element.py
- 0028-find-the-index-of-the-first-occurrence-in-a-string.py
- 0033-search-in-rotated-sorted-array.py
- 0034-find-first-and-last-position-of-element-in-sorted-array.py
- 0035-search-insert-position.py
- 0036-valid-sudoku.py
- 0039-combination-sum.py
- 0040-combination-sum-ii.py
- 0041-first-missing-positive.py
- 0042-trapping-rain-water.py
- 0043-multiply-strings.py
- 0044-wildcard-matching.py
- 0045-jump-game-ii.py
- 0046-permutations.py
- 0047-permutations-ii.py
- 0048-rotate-image.py
- 0049-group-anagrams.py
- 0050-powx-n.py
- 0051-n-queens.py
- 0052-n-queens-ii.py
- 0053-maximum-subarray.py
- 0054-spiral-matrix.py
- 0055-jump-game.py
- 0056-merge-intervals.py
- 0057-insert-interval.py
- 0058-length-of-last-word.py
- 0061-rotate-list.py
- 0062-unique-paths.py
- 0063-unique-paths-ii.py
- 0064-minimum-path-sum.py
- 0066-plus-one.py
- 0067-add-binary.py
- 0068-text-justification.py
- 0069-sqrtx.py
- 0070-climbing-stairs.py
- 0071-simplify-path.py
- 0072-edit-distance.py
- 0073-set-matrix-zeroes.py
- 0074-search-a-2d-matrix.py
- 0075-sort-colors.py
- 0076-minimum-window-substring.py
- 0077-combinations.py
- 0078-subsets.py
- 0079-word-search.py
- 0080-remove-duplicates-from-sorted-array-ii.py
- 0081-search-in-rotated-sorted-array-ii.py
- 0083-remove-duplicates-from-sorted-list.py
- 0084-largest-rectangle-in-histogram.py
- 0086-partition-list.py
- 0088-merge-sorted-array.py
- 0090-subsets-ii.py
- 0091-decode-ways.py
- 0092-reverse-linked-list-ii.py
- 0094-binary-tree-inorder-traversal.py
- 0097-interleaving-string.py
- 0098-validate-binary-search-tree.py
- 0100-same-tree.py
- 0101-symmetric-tree.py
- 0102-binary-tree-level-order-traversal.py
- 0103-binary-tree-zigzag-level-order-traversal.py
- 0104-maximum-depth-of-binary-tree.py
- 0105-construct-binary-tree-from-preorder-and-inorder-traversal.py
- 0106-construct-binary-tree-from-inorder-and-postorder-traversal.py
- 0108-convert-sorted-array-to-binary-search-tree.py
- 0110-balanced-binary-tree.py
- 0112-path-sum.py
- 0115-distinct-subsequences.py
- 0118-pascals-triangle.py
- 0119-pascal-triangle-ii.py
- 0120-triangle.py
- 0121-best-time-to-buy-and-sell-stock.py
- 0122-best-time-to-buy-and-sell-stock-ii.py
- 0124-binary-tree-maximum-path-sum.py
- 0125-valid-palindrome.py
- 0127-word-ladder.py
- 0128-longest-consecutive-sequence.py
- 0130-surrounded-regions.py
- 0131-palindrome-partitioning.py
- 0133-clone-graph.py
- 0134-gas-station.py
- 0135-candy.py
- 0136-single-number.py
- 0138-copy-list-with-random-pointer.py
- 0139-word-break.py
- 0141-linked-list-cycle.py
- 0143-reorder-list.py
- 0144-binary-tree-preorder-traversal.py
- 0145-binary-tree-postorder-traversal.py
- 0146-lru-cache.py
- 0147-insertion-sort-list.py
- 0148-sort-list.py
- 0149-max-points-on-a-line.py
- 0150-evaluate-reverse-polish-notation.py
- 0151-reverse-words-in-a-string.py
- 0152-maximum-product-subarray.py
- 0153-find-minimum-in-rotated-sorted-array.py
- 0155-min-stack.py
- 0160-intersection-of-two-linked-lists.py
- 0162-find-peak-element.py
- 0167-two-sum-ii-input-array-is-sorted.py
- 0168-excel-sheet-column-title.py
- 0169-majority-element.py
- 0179-largest-number.py
- 0187-repeated-dna-sequences.py
- 0189-rotate-array.py
- 0190-reverse-bits.py
- 0191-number-of-1-bits.py
- 0198-house-robber.py
- 0199-binary-tree-right-side-view.py
- 0200-number-of-islands.py
- 0201-bitwise-and-of-numbers-range.py
- 0202-happy-number.py
- 0203-remove-linked-list-elements.py
- 0205-isomorphic-strings.py
- 0206-reverse-linked-list.py
- 0207-course-schedule.py
- 0208-implement-trie-prefix-tree.py
- 0209-minimum-size-subarray-sum.py
- 0210-course-schedule-ii.py
- 0211-design-add-and-search-words-data-structure.py
- 0212-word-search-ii.py
- 0213-house-robber-ii.py
- 0215-kth-largest-element-in-an-array.py
- 0217-contains-duplicate.py
- 0219-contains-duplicate-ii.py
- 0221-maximal-square.py
- 0225-implement-stack-using-queues.py
- 0226-invert-binary-tree.py
- 0230-kth-smallest-element-in-a-bst.py
- 0231-power-of-two.py
- 0232-implement-queue-using-stacks.py
- 0234-palindrome-linked-list.py
- 0235-lowest-common-ancestor-of-a-binary-search-tree.py
- 0236-lowest-common-ancestor-of-a-binary-tree.py
- 0238-product-of-array-except-self.py
- 0239-sliding-window-maximum.py
- 0241-different-ways-to-add-parentheses.py
- 0242-valid-anagram.py
- 0252-meeting-rooms.py
- 0253-meeting-rooms-ii.py
- 0253-meeting-rooms.py
- 0261-graph-valid-tree.py
- 0263-ugly-number.py
- 0268-missing-number.py
- 0269-alien-dictionary.py
- 0271-encode-and-decode-strings.py
- 0274-H-index.py
- 0278-first-bad-version.py
- 0280-wiggle-sort.py
- 0283-move-zeroes.py
- 0286-walls-and-gates.py
- 0287-find-the-duplicate-number.py
- 0290-word-pattern.py
- 0295-find-median-from-data-stream.py
- 0297-serialize-and-deserialize-binary-tree.py
- 0300-longest-increasing-subsequence.py
- 0303-range-sum-query-immutable.py
- 0304-range-sum-query-2d-immutable.py
- 0309-best-time-to-buy-and-sell-stock-with-cooldown.py
- 0312-burst-balloons.py
- 0322-coin-change.py
- 0323-number-of-connected-components-in-an-undirected-graph.py
- 0329-longest-increasing-path-in-a-matrix.py
- 0332-reconstruct-itinerary.py
- 0334-increasing-triplet-subsequence.py
- 0338-counting-bits.py
- 0344-reverse-string.py
- 0347-top-k-frequent-elements.py
- 0349-intersection-of-two-arrays.py
- 0350-intersection-of-two-arrays-ii.py
- 0355-design-twitter.py
- 0367-valid-perfect-square.py
- 0371-sum-of-two-integers.py
- 0374-guess-number-higher-or-lower.py
- 0377-combination-sum-iv.py
- 0380-insert-delete-getrandom-o1.py
- 0383-ransom-note.py
- 0392-is-subsequence.py
- 0394-decode-string.py
- 0402-remove-k-digits.py
- 0410-split-array-largest-sum.py
- 0416-partition-equal-subset-sum.py
- 0417-pacific-atlantic-water-flow.py
- 0424-longest-repeating-character-replacement.py
- 0435-non-overlapping-intervals.py
- 0438-find-all-anagrams-in-a-string.py
- 0441-arranging-coins.py
- 0442-find-all-duplicates-in-an-array.py
- 0448-find-all-numbers-disappeared-in-an-array.py
- 0450-delete-node-in-a-bst.py
- 0452-minimum-number-of-arrows-to-burst-balloons.py
- 0456-132-pattern.py
- 0459-repeated-substring-pattern.py
- 0463-island-perimeter.py
- 0473-matchsticks-to-square.py
- 0474-ones-and-zeroes.py
- 0494-target-sum.py
- 0496-next-greater-element-i.py
- 0502-ipo.py
- 0509-fibonacci-number.py
- 0513-find-bottom-left-tree-value.py
- 0516-longest-palindromic-subsequence.py
- 0518-coin-change-ii.py
- 0523-continuous-subarray-sum.py
- 0525-contiguous-array.py
- 0535-encode-and-decode-tinyurl.py
- 0540-single-element-in-a-sorted-array.py
- 0543-diameter-of-binary-tree.py
- 0554-brick-wall.py
- 0560-subarray-sum-equals-k.py
- 0567-permutation-in-string.py
- 0572-subtree-of-another-tree.py
- 0605-can-place-flowers.py
- 0606-construct-string-from-binary-tree.py
- 0617-merge-two-binary-trees.py
- 0621-task-scheduler.py
- 0622-design-circular-queue.py
- 0647-palindromic-substrings.py
- 0658-find-k-closest-elements.py
- 0662-maximum-width-of-binary-tree.py
- 0665-non-decreasing-array.py
- 0669-trim-a-binary-search-tree.py
- 0673-number-of-longest-increasing-subsequence.py
- 0678-valid-parenthesis-string.py
- 0680-valid-palindrome-ii.py
- 0682-baseball-game.py
- 0684-redundant-connection.py
- 0695-max-area-of-island.py
- 0698-partition-to-k-equal-sum-subsets.py
- 0701-insert-into-a-binary-search-tree.py
- 0703-kth-largest-element-in-a-stream.py
- 0704-binary-search.py
- 0705-design-hashset.py
- 0706-design-hashmap.py
- 0707-design-linked-list.py
- 0721-accounts-merge.py
- 0724-find-pivot-index.py
- 0729-my-calendar-i.py
- 0735-asteroid-collision.py
- 0739-daily-temperatures.py
- 0740-delete-and-earn.py
- 0743-network-delay-time.py
- 0745-prefix-and-suffix-search.py
- 0746-min-cost-climbing-stairs.py
- 0752-open-the-lock.py
- 0763-partition-labels.py
- 0767-reorganize-string.py
- 0778-swim-in-rising-water.py
- 0783-minimum-distance-between-bst-nodes.py
- 0785-is-graph-bipartite.py
- 0787-cheapest-flights-within-k-stops.py
- 0791-custom-sort-string.py
- 0802-find-eventual-safe-states.py
- 0838-push-dominoes.py
- 0846-hand-of-straights.py
- 0853-car-fleet.py
- 0862-shortest-subarray-with-sum-at-least-k.py
- 0875-koko-eating-bananas.py
- 0876-middle-of-the-linked-list.py
- 0881-boats-to-save-people.py
- 0894-all-possible-full-binary-trees.py
- 0895-maximum-frequency-stack.py
- 0896-monotonic-array.py
- 0901-online-stock-span.py
- 0904-fruit-into-baskets.py
- 0904_fruit_into_baskets.py
- 0909-snakes-and-ladders.py
- 0912-sort-an-array.py
- 0918-maximum-sum-circular-subarray.py
- 0929-unique-email-addresses.py
- 0930-binary-subarrays-with-sum.py
- 0931-minimum-falling-path-sum.py
- 0946-validate-stack-sequences.py
- 0948-bag-of-tokens.py
- 0953-verifying-an-alien-dictionary.py
- 0973-k-closest-points-to-origin.py
- 0977-squares-of-a-sorted-array.py
- 0978-longest-turbulent-subarray.py
- 0981-time-based-key-value-store.py
- 0994-rotting-oranges.py
- 0997-find-the-town-judge.py
- 1011-capacity-to-ship-packages-within-d-days.py
- 1020-number-of-enclaves.py
- 1029-two-city-scheduling.py
- 1046-last-stone-weight.py
- 1049-last-stone-weight-ii.py
- 1074-number-of-submatrices-that-sum-to-target.py
- 1091-shortest-path-in-binary-matrix.py
- 1137-n-th-tribonacci-number.py
- 1143-longest-common-subsequence.py
- 1189-maximum-number-of-balloons.py
- 1203-sort-items-by-groups-respecting-dependencies.py
- 1209-remove-all-adjacent-duplicates-in-string-ii.py
- 1220-count-vowels-permutation.py
- 1239-maximum-length-of-a-concatenated-string-with-unique-characters.py
- 1254-number-of-closed-islands.py
- 1260-shift-2d-grid.py
- 1288-remove-covered-intervals.py
- 1299-replace-elements-with-greatest-element-on-right-side.py
- 1343-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold.py
- 1345-jump-game-iv.py
- 1383-maximum-performance-of-a-team.py
- 1396-design-underground-system.py
- 1397-find-all-good-strings.py
- 1423-maximum-points-you-can-obtain-from-cards.py
- 1448-count-good-nodes-in-binary-tree.py
- 1456-maximum-number-of-vowels-in-a-substring-of-given-length.py
- 1461-check-if-a-string-contains-all-binary-codes-of-size-k.py
- 1462-course-schedule-iv.py
- 1464-maximum-product-of-two-elements-in-an-array.py
- 1466-reorder-routes-to-make-all-paths-lead-to-the-city-zero.py
- 1472-design-browser-history.py
- 1475-final-prices-with-a-special-discount-in-a-shop.py
- 1481-least-number-of-unique-integers-after-k-removals.py
- 1489-find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree.py
- 1498-number-of-subsequences-that-satisfy-the-given-sum-condition.py
- 1514-path-with-maximum-probability.py
- 1523-count-odd-numbers-in-an-interval-range.py
- 1572-matrix-diagonal-sum.py
- 1582-special-positions-in-a-binary-matrix.py
- 1584-min-cost-to-connect-all-points.py
- 1603-design-parking-system.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
- 1700-number-of-students-unable-to-eat-lunch.py
- 1721-swapping-nodes-in-a-linked-list.py
- 1750-minimum-length-of-string-after-deleting-similar-ends.py
- 1768-merge-strings-alternately.py
- 1800-maximum-ascending-subarray-sum.py
- 1822-sign-of-the-product-of-an-array.py
- 1834-single-threaded-cpu.py
- 1838-frequency-of-the-most-frequent-element.py
- 1845-seat-reservation-manager.py
- 1849-splitting-a-string-into-descending-consecutive-values.py
- 1851-minimum-interval-to-include-each-query.py
- 1888-minimum-number-of-flips-to-make-the-binary-string-alternating.py
- 1899-merge-triplets-to-form-target-triplet.py
- 1905-count-sub-islands.py
- 1929-concatenation-of-array.py
- 1930-unique-length-3-palindromic-subsequences.py
- 1958-check-if-move-is-legal.py
- 1963-minimum-number-of-swaps-to-make-the-string-balanced.py
- 1968-array-with-elements-not-equal-to-average-of-neighbors.py
- 1980-find-unique-binary-string.py
- 1984-minimum-difference-between-highest-and-lowest-of-k-scores.py
- 1985-find-the-kth-largest-integer-in-the-array.py
- 2001-number-of-pairs-of-interchangeable-rectangles.py
- 2002-maximum-product-of-the-length-of-two-palindromic-subsequences.py
- 2013-detect-squares.py
- 2017-grid-game.py
- 2092-find-all-people-with-secret.py
- 2101-detonate-the-maximum-bombs.py
- 2130-maximum-twin-sum-of-a-linked-list.py
- 2215-find-the-difference-of-two-arrays.py
- 2235-add-two-integers.py
- 2300-successful-pairs-of-spells-and-potions.py
- 2306-naming-a-company.py
- 2348-number-of-zero-filled-subarrays.py
- 2390-removing-stars-from-a-string.py
- 2402-meeting-rooms-iii.py
- 2405-optimal-partition-of-string.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
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0198-house-robber.py

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Dec 27, 2022

55561bc · Dec 27, 2022