Directories ¶ Show internal Expand all Path Synopsis contest 2020-spring-contest-group/qi-wang-ge-shu-tong-ji 2020-spring-contest/chuan-di-xin-xi-UGC 2020-spring-contest/ju-qing-hong-fa-shi-jian-UGC 2020-spring-contest/na-ying-bi-UGC 2020-spring-contest/zui-xiao-tiao-yue-ci-shu-UGC biweekly-contest-21/5336-increasing-decreasing-string biweekly-contest-21/5338-longest-zigzag-path-in-a-binary-tree biweekly-contest-22/5348-find-the-distance-value-between-two-arrays biweekly-contest-22/5349-cinema-seat-allocation biweekly-contest-22/5350-sort-integers-by-the-power-value biweekly-contest-23/5360-count-largest-group biweekly-contest-23/5362-construct-k-palindrome-strings biweekly-contest-24/find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k biweekly-contest-24/minimum-value-to-get-positive-step-by-step-sum biweekly-contest-24/the-k-th-lexicographical-string-of-all-happy-strings-of-length-n biweekly-contest-25/check-if-a-string-can-break-another-string biweekly-contest-25/kids-with-the-greatest-number-of-candies biweekly-contest-25/max-difference-you-can-get-from-changing-an-integer biweekly-contest-26/consecutive-characters biweekly-contest-26/count-good-nodes-in-binary-tree biweekly-contest-26/simplified-fractions biweekly-contest-27/check-if-a-string-contains-all-binary-codes-of-size-k biweekly-contest-27/course-schedule-iv biweekly-contest-27/make-two-arrays-equal-by-reversing-sub-arrays biweekly-contest-28/final-prices-with-a-special-discount-in-a-shop biweekly-contest-28/find-two-non-overlapping-sub-arrays-each-with-target-sum biweekly-contest-28/subrectangle-queries biweekly-contest-29/average-salary-excluding-the-minimum-and-maximum-salary biweekly-contest-29/longest-subarray-of-1s-after-deleting-one-element biweekly-contest-29/the-kth-factor-of-n weekly-contest-179/5352-generate-a-string-with-characters-that-have-odd-counts weekly-contest-179/5353-bulb-switcher-iii weekly-contest-179/5354-time-needed-to-inform-all-employees weekly-contest-180/5356-lucky-numbers-in-a-matrix weekly-contest-180/5357-design-a-stack-with-increment-operation weekly-contest-181/5178-four-divisors weekly-contest-181/5364-create-target-array-in-the-given-order weekly-contest-182/5368-find-lucky-integer-in-an-array weekly-contest-182/5369-count-number-of-teams weekly-contest-182/5370-design-underground-system weekly-contest-183/5376-minimum-subsequence-in-non-increasing-order weekly-contest-183/5377-number-of-steps-to-reduce-a-number-in-binary-representation-to-one weekly-contest-184/5380-string-matching-in-an-array weekly-contest-184/5381-queries-on-a-permutation-with-key weekly-contest-184/5382-html-entity-parser weekly-contest-185/5388-reformat-the-string weekly-contest-185/5389-display-table-of-food-orders-in-a-restaurant weekly-contest-186/diagonal-traverse-ii weekly-contest-186/maximum-points-you-can-obtain-from-cards weekly-contest-186/maximum-score-after-splitting-a-string weekly-contest-187/check-if-all-1s-are-at-least-length-k-places-away weekly-contest-187/destination-city weekly-contest-187/longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit weekly-contest-188/build-an-array-with-stack-operations weekly-contest-188/count-triplets-that-can-form-two-arrays-of-equal-xor weekly-contest-189/number-of-students-doing-homework-at-a-given-time weekly-contest-189/people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list weekly-contest-189/rearrange-words-in-a-sentence weekly-contest-190/check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence weekly-contest-190/maximum-number-of-vowels-in-a-substring-of-given-length weekly-contest-190/pseudo-palindromic-paths-in-a-binary-tree weekly-contest-191/maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts weekly-contest-191/maximum-product-of-two-elements-in-an-array weekly-contest-191/reorder-routes-to-make-all-paths-lead-to-the-city-zero weekly-contest-192/design-browser-history weekly-contest-192/shuffle-the-array weekly-contest-192/the-k-strongest-values-in-an-array weekly-contest-193/least-number-of-unique-integers-after-k-removals weekly-contest-193/running-sum-of-1d-array weekly-contest-194/making-file-names-unique weekly-contest-194/xor-operation-in-an-array go 01.06-compress-string-lcci 10.-zui-xiao-de-kge-shu-lcof 10.01sorted-merge-lcci 101-symmetric-tree 1013-partition-array-into-three-parts-with-equal-sum 1014-best-sightseeing-pair 102-binary-tree-level-order-traversal 105-construct-binary-tree-from-preorder-and-inorder-traversal 1071-greatest-common-divisor-of-strings 109-convert-sorted-list-to-binary-search-tree 1095-find-in-mountain-array 11-container-with-most-water 1103-distribute-candies-to-people 1111-maximum-nesting-depth-of-two-valid-parentheses-strings 1133-largest-unique-number 1160-find-words-that-can-be-formed-by-characters 1162-as-far-from-land-as-possible 118-pascals-triangle 119-pascals-triangle-ii 121-best-time-to-buy-and-sell-stock 1228-missing-number-in-arithmetic-progression 124-binary-tree-maximum-path-sum 1248-count-number-of-nice-subarrays 125-valid-palindrome 126-word-ladder-ii 128-longest-consecutive-sequence 1300-sum-of-mutated-array-closest-to-target 1305-all-elements-in-two-binary-search-trees 1317-convert-integer-to-the-sum-of-two-no-zero-integers 1332-remove-palindromic-subsequences 1371-find-the-longest-substring-containing-vowels-in-even-counts 139-word-break 141-linked-list-cycle 146-lru-cache 15-3sum 151-reverse-words-in-a-string 152-maximum-product-subarray 155-min-stack 160-intersection-of-two-linked-lists 165-compare-version-numbers 169-majority-element 17.16-the-masseuse-lcci 198-house-robber 199-binary-tree-right-side-view 200-number-of-islands 202-happy-number 206-reverse-linked-list 21-merge-two-sorted-lists 215-kth-largest-element-in-an-array 22-generate-parentheses 221-maximal-square 23-merge-k-sorted-lists 235-lowest-common-ancestor-of-a-binary-search-tree 236-lowest-common-ancestor-of-a-binary-tree 238-product-of-array-except-self 24-swap-nodes-in-pairs 25-reverse-nodes-in-k-group 287-find-the-duplicate-number 289-game-of-life 297-serialize-and-deserialize-binary-tree 3-longest-substring-without-repeating-characters 300-longest-increasing-subsequence 322-coin-change 33-search-in-rotated-sorted-array 335-design-twitter 344-reverse-string 365-water-and-jug-problem 374-guess-number-higher-or-lower 394-decode-string 4-median-of-two-sorted-arrays 409-longest-palindrome 41-first-missing-positive 42-trapping-rain-water 442-find-all-duplicates-in-an-array 445-add-two-numbers-ii 45-jump-game-ii 451-sort-characters-by-frequency 46-permutations 460-lfu-cache 466-count-the-repetitions 495-teemo-attacking 5-longest-palindromic-substring 50-powx-n 509-fibonacci-number 53-maximum-subarray 542-01-matrix 543-diameter-of-binary-tree 55-jump-game 56-merge-intervals 560-subarray-sum-equals-k 57-II-he-wei-sde-lian-xu-zheng-shu-xu-lie-lcof 57-insert-interval 572-subtree-of-another-tree 59-ii-dui-lie-de-zui-da-zhi-lcof 63-unique-paths-ii 680-valid-palindrome-ii 69-sqrtx 695-max-area-of-island 72-edit-distance 724-find-pivot-index 739-daily-temperatures 76-minimum-window-substring 779-k-th-symbol-in-grammar 8-string-to-integer-atoi 820-short-encoding-of-words 836-rectangle-overlap 84-largest-rectangle-in-histogram 876-middle-of-the-linked-list 887-super-egg-drop 892-surface-area-of-3d-shapes 9-palindrome-number 91-decode-ways 912-sort-an-array 914-x-of-a-kind-in-a-deck-of-cards 945-minimum-increment-to-make-array-unique 974-subarray-sums-divisible-by-k 98-validate-binary-search-tree 983-minimum-cost-for-tickets 990-satisfiability-of-equality-equations 994-rotting-oranges 999-available-captures-for-rook course-schedule-ii lcci-01.01-is-unique-lcci lcci-01.02-check-permutation-lcci lcci-01.07-rotate-matrix-lcci lcci-01.08-zero-matrix-lcci lcci-01.09-string-rotation-lcci lcci-02.01-remove-duplicate-node-lcci lcci-02.03-delete-middle-node-lcci lcci-02.04-partition-list-lcci lcci-02.05-sum-lists-lcci lcci-02.06-palindrome-linked-list-lcci lcci-02.07-intersection-of-two-linked-lists-lcci lcci-02.08-linked-list-cycle-lcci lcci-03.01-three-in-one-lcci lcci-03.02-min-stack-lcci lcci-03.03-stack-of-plates-lcci lcci-03.04-implement-queue-using-stacks-lcci lcci-03.05-sort-of-stacks-lcci lcci-03.06-animal-shelter-lcci lcci-04.02-minimum-height-tree-lcci lcci-04.03-list-of-depth-lcci lcci-04.04-check-balance-lcci lcci-04.05-legal-binary-search-tree-lcci lcci-04.06-successor-lcci lcci-04.08-first-common-ancestor-lcci lcci-04.10-check-subtree-lcci lcci-04.12-paths-with-sum-lcci lcci-08.01-three-steps-problem-lcci lcci-08.02-robot-in-a-grid-lcci lcci-08.03-magic-index-lcci lcci-08.04-power-set-lcci lcci-08.05-recursive-mulitply-lcci lcci-08.07-permutation-i-lcci lcci-08.08-permutation-ii-lcci lcci-08.09-bracket-lcci lcci-08.11-coin-lcci lcci-10.02-group-anagrams-lcci lcci-10.09-sorted-matrix-search-lcci lcci-10.11-peaks-and-valleys-lcci lcci-16.01-swap-numbers-lcci lcci-16.02-words-frequency-lcci lcci-16.03-intersection-lcci lcci-16.07-maximum-lcci lcci-16.17-contiguous-sequence-lcci lcci-16.18-pattern-matching-lcci lcci-16.20-t9-lcci lcci-17.01-add-without-plus-lcci lcci-17.04-missing-number-lcci lcci-17.10-find-majority-element-lcci lcci-17.11-find-closest-lcci lcof-06-cong-wei-dao-tou-da-yin-lian-biao-lcof lcof-09-yong-liang-ge-zhan-shi-xian-dui-lie-lcof lcof-16-ji-qi-ren-de-yun-dong-fan-wei-lcof lcof-17-da-yin-cong-1dao-zui-da-de-nwei-shu-lcof lcof-24-fan-zhuan-lian-biao-lcof lcof-29-shun-shi-zhen-da-yin-ju-zhen-lcof lcof-46-ba-shu-zi-fan-yi-cheng-zi-fu-chuan-lcof lcof-51-shu-zu-zhong-de-ni-xu-dui-lcof lcof-56-I-shu-zu-zhong-shu-zi-chu-xian-de-ci-shu-lcof lcof-58-zuo-xuan-zhuan-zi-fu-chuan-lcof lcof-62-yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof lcof-64-qiu-12n-lcof Click to show internal directories. 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