Directories ¶ Show internal Expand all Path Synopsis JianZhiOffer 15-E-er-jin-zhi-zhong-1de-ge-shu-lcof LCP 3-M-programmable-robot leetcode 1007-M-minimum-domino-rotations-for-equal-row 1024-M-video-stitching 1027-M-longest-arithmetic-subsequence 1029-M-two-city-scheduling 1039-M-minimum-score-triangulation-of-polygon 1043-M-partition-array-for-maximum-sum 1048-M-longest-string-chain 1049-M-last-stone-weight-ii 1079-M-letter-tile-possibilities 1081-M-smallest-subsequence-of-distinct-characters 1090-M-largest-values-from-labels 1094-M-car-pooling 1105-M-filling-bookcase-shelves 1110-M-delete-nodes-and-return-forest 1111-M-maximum-nesting-depth-of-two-valid-parentheses-strings 1130-M-minimum-cost-tree-from-leaf-values 1139-M-largest-1-bordered-square 1140-M-stone-game-ii 1155-M-number-of-dice-rolls-with-target-sum 1201-M-ugly-number-iii 121-E-best-time-to-buy-and-sell-stock 1217-M-minimum-cost-to-move-chips-to-the-same-position 1219-M-path-with-maximum-gold 1221-E-split-a-string-in-balanced-strings 1239-M-maximum-length-of-a-concatenated-string-with-unique-characters 124-H-binary-tree-maximum-path-sum 1247-M-minimum-swaps-to-make-strings-equal 1254-M-number-of-closed-islands 1262-M-greatest-sum-divisible-by-three 1276-M-number-of-burgers-with-no-waste-of-ingredients 1277-M-count-square-submatrices-with-all-ones 1282-M-group-the-people-given-the-group-size-they-belong-to 1288-M-remove-covered-intervals 1291-M-sequential-digits 130-M-surrounded-regions 1306-M-jump-game-iii 131-H-palindrome-partitioning 1338-M-reduce-array-size-to-the-half 134-M-gas-station 135-H-candy 1386-M-cinema-seat-allocation 139-M-word-break 1405-M-longest-happy-string 1406-H-stone-game-iii 1423-M-maximum-points-you-can-obtain-from-cards 1433-M-check-if-a-string-can-break-another-string 144-M-binary-tree-preorder-traversal/golang 1448-M-count-good-nodes-in-binary-tree 1449-H-form-largest-integer-with-digits-that-add-up-to-target 1457-M-pseudo-palindromic-paths-in-a-binary-tree 146-M-lru-cache 1466-M-reorder-routes-to-make-all-paths-lead-to-the-city-zero 1498-M-number-of-subsequences-that-satisfy-the-given-sum-condition 150-M-evaluate-reverse-polish-notation 1504-M-count-submatrices-with-all-ones 1510-H-stone-game-iv 152-M-maximum-product-subarray 1540-M-can-convert-string-in-k-moves 1563-H-stone-game-v 1591-H-strange-printer-ii 1594-M-maximum-non-negative-product-in-a-matrix 1605-M-find-valid-matrix-given-row-and-column-sums 165-M-compare-version-numbers 1654-M-minimum-jumps-to-reach-home 1663-M-smallest-string-with-a-given-numeric-value 1664-M-ways-to-make-a-fair-array 168-E-excel-sheet-column-title 1689-M-partitioning-into-minimum-number-of-deci-binary-numbers 1690-H-stone-game-vii 17-M-letter-combinations-of-a-phone-number 1702-M-maximum-binary-string-after-change 1706-M-where-will-the-ball-fall 1727-M-largest-submatrix-with-rearrangements 1774-M-closest-dessert-cost 1863-E-sum-of-all-subset-xor-totals 198-E-house-robber 204-E-count-primes 205-E-isomorphic-strings 206-E-reverse-linked-list 213-M-house-robber-ii 227-M-BasicCalculatorII 229-M-majority-element-ii 230-M-kth-smallest-element-in-a-bst 236-M-lowest-common-ancestor-of-a-binary-tree 264-M-ugly-number-ii 287-M-find-the-duplicate-number 304-M-range-sum-query-2d-immutable 309-M-best-time-to-buy-and-sell-stock-with-cooldown 31-M-next-permutation 316-M-remove-duplicate-letters 329-H-longest-increasing-path-in-a-matrix 33-M-search-in-rotated-sorted-array 342-E-power-of-four 343-M-integer-break 357-M-count-numbers-with-unique-digit 375-M-guess-number-higher-or-lower-ii 376-M-wiggle-subsequence 377-M-combination-sum-iv 39-M-combination-sum 4-H-median-of-two-sorted-arrays 40-M-combination-sum-ii 42-H-trapping-rain-water 455-E-assign-cookies 456-M-132-pattern 464-M-can-i-win 467-M-unique-substrings-in-wraparound-string 468-M-validate-ip-address 47-M-permutations-ii 470-M-implement-rand10-using-rand7 473-M-matchsticks-to-square 474-M-ones-and-zeroes 475-M-heaters 477-M-total-hamming-distance 483-H-smallest-good-base 5-M-longest-palindromic-substring 515-M-find-largest-value-in-each-tree-row 516-M-longest-palindromic-subsequence 523-M-continuous-subarray-sum 525-M-contiguous-array 526-M-beautiful-arrangement 542-M-01-matrix 638-M-shopping-offers 640-M-solve-the-equation 646-M-maximum-length-of-pair-chain 647-M-palindromic-substrings 649-M-dota2-senate 65-H-valid-number 650-M-2-keys-keyboard 688-M-knight-probability-in-chessboard 695-M-max-area-of-island 698-M-partition-to-k-equal-sum-subsets 714-M-best-time-to-buy-and-sell-stock-with-transaction-fee 718-M-maximum-length-of-repeated-subarray 738-M-monotone-increasing-digits 740-M-delete-and-earn 746-E-min-cost-climbing-stairs 763-M-partition-labels 764-M-largest-plus-sign 797-M-all-paths-from-source-to-target 808-M-soup-servings 813-M-largest-sum-of-averages 815-H-bus-routes 838-M-push-dominoes 841-M-keys-and-rooms 852-E-peak-index-in-a-mountain-array 861-M-score-after-flipping-matrix 865-M-smallest-subtree-with-all-the-deepest-nodes 870-M-advantage-shuffle 874-E-walking-robot-simulation 877-M-stone-game 881-M-boats-to-save-people 921-M-minimum-add-to-make-parentheses-valid 931-M-minimum-falling-path-sum 935-M-knight-dialer 944-E-delete-columns-to-make-sorted 948-M-bag-of-tokens 96-M-unique-binary-search-trees 978-M-longest-turbulent-subarray 979-M-distribute-coins-in-binary-tree 983-M-minimum-cost-for-tickets Click to show internal directories. 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