GitHub - bryceustc/LeetCode_Note: 刷LeetCode题解及笔记

1 Two Sum C++, Python Easy 2♣ Add Two Numbers C++, Python Medium 3♣ Longest Substring Without Repeating Characters C++, Python Medium 4♣ Median of Two Sorted Arrays C++, Python Hard 5♣ Longest-Palindromic-Substring C++, Python Medium 6 Zigzag-Conversion C++, Python Medium 7 Reverse-Integer C++, Python Easy 8♣ String-To-Integer-Atoi C++, Python Medium 9 Palindrome-Number C++, Python Easy 10♣ Regular-Expression-Matching C++, Python Hard 11♣ Container-With-Most-Water C++, Python Medium 12 Integer-To-Roman C++, Python Medium 13 Roman-To-Integer C++, Python Easy 14♣ Longest-Common-Prefix C++, Python Easy 15♣ 3Sum C++, Python Medium 16♣ 3Sum-Closest C++, Python Medium 17 Letter-Combinations-Of-A-Phone-Number C++, Python Medium 18♣ 4Sum C++, Python Medium 19 Remove-Nth-Node-From-End-Of-List C++, Python Medium 20♣ ♣ Valid-Parentheses C++, Python Easy 21♣ Merge-Two-Sorted-Lists C++, Python Easy 22♣ Generate-Parentheses C++, Python Medium 23♣ Merge-K-Sorted-Lists C++, Python Hard 24 Swap-Nodes-In-Pairs C++, Python Medium 25♣ Reverse-Nodes-In-K-Group C++, Python Hard 26 Remove-Duplicates-From-Sorted-Array C++, Python Easy 27 Remove-Element C++, Python Easy 28 Implement-Strstr C++, Python Easy 29 Divide-Two-Integers C++, Python Medium 30 Substring-With-Concatenation-Of-All-Words C++, Python Hard 31♣ Next-Permutation C++, Python Medium 32♣ Longest-Valid-Parentheses C++, Python Hard 33♣ Search-In-Rotated-Sorted-Array C++, Python Medium 34♣ Find-First-And-Last-Position-Of-Element-In-Sorted-Array C++, Python Medium 35 Search-Insert-Position C++, Python Easy 36 Valid-Sudoku C++, Python Medium 37 Sudoku-Solver C++, Python Hard 38 Count-And-Say C++, Python Easy 39♣ Combination-Sum C++, Python Medium 40♣ Combination-Sum-II C++, Python Medium 41♣ First-Missing-Positive C++, Python Hard 42♣ Trapping-Rain-Water C++, Python Hard 43♣ Multiply-Strings C++, Python Medium 44 Wildcard-Matching C++, Python Hard 45♣ Jump-Game-II C++, Python Hard 46♣ Permutations C++, Python Medium 47♣ Permutations-II C++, Python Medium 48 Rotate-Image C++, Python Medium 49 Group-Anagrams C++, Python Medium 50♣ PowX-N C++, Python Medium 51♣ N-Queens C++ Haard 53♣ Maximum-Subarray C++, Python Easy 54 Spiral-Matrix C++, Python Medium 55♣ Jump-Game C++, Python Medium 56♣ Merge-Intervals C++, Python Medium 57 Insert-Intervals C++, Python Hard 58 Length-Of-Last-Word C++, Python Easy 59 Spiral-Matrix-II C++, Python Medium 60♣ Permutation-Sequence C++, Python Medium 61 Rotate-List C++, Python Medium 62♣ Unique-Paths C++, Python Medium 63 Unique-Paths-II C++, Python Medium 64 Minimum-Path-Sum C++, Python Medium 65 Valid-Number C++, Python Hard 66♣ Plus-One C++ Easy 69♣ Sqrtx C++ Easy 70♣ Climbing-Stairs C++, Python Easy 72♣ Edit-Distance C++ Hard 74 Search-A-2D-Matrix C++, Python Medium 76♣ Minimum-Window-Substring C++ Hard 77♣ Combinations C++ Medium 78♣ Subsets C++ Medium 79♣ Word-Search C++, Python Medium 81 Search-In-Rotated-Sorted-Array C++ Medium 82 Remove-Duplicates-From-Sorted-List-II C++, Python Medium 83 Remove-Duplicates-From-Sorted-List C++, Python Easy 84♣ Largest-Rectangle-In-Histogram C++, Python Hard 85♣ Maximal-Rectangle C++ Hard 88 Merge-Sorted-Array C++,Python Easy 90♣ Subsets-II C++ Medium 93 Restore-Ip-Addresses C++ Medium 94 Binary-Tree-Inorder-Traversal C++, Python Medium 98♣ Validate-Binary-Search-Tree C++ Medium 100 Same-Tree C++ Easy 101♣ Symmetric-Tree C++, Python Easy 102♣ Binary-Tree-Level-Order-Traversal C++, Python Medium 103 Binary-Tree-Zigzag-Level-Order-Traversal C++, Python Medium 104 Maximum-Depth-Of-Binary-Tree C++, Python Easy 105♣ Construct-Binary-Tree-From-Preorder-And-Inorder-Traversal C++, Python Medium 106♣ Construct-Binary-Tree-From-Ineorder-And-Postorder-Traversal C++, Python Medium 108♣ Convert-Sorted-Array-To-Binary-Search-Tree C++ Easy 109♣ Convert-Sorted-List-To-Binary-Search-Tree C++ Medium 110♣ Balanced-Binary-Tree C++, Python Easy 111♣ Minimum-Depth-Of-Binary-Tree C++ Easy 112 Path-Sum C++, Python Easy 113 Path-Sum-II C++, Python Medium 114 Flatten-Binary-Tree-To-Linked-List C++ Medium 118♣ Pascals-Triangle C++ Easy 120 Triangle C++, Python Meidum 121♣ Best-Time-To-Buy-And-Sell-Stock C++, Python Easy 122♣ Best-Time-To-Buy-And-Sell-Stock-II C++, Python Easy 123♣ Best-Time-To-Buy-And-Sell-Stock-III C++, Python Hard 124♣ Binary-Tree-Maximum-Path-Sum C++ Hard 125♣ Valid-Palindrome C++ Easy 126♣ Word-Ladder-II C++ Hard 128♣ Longest-Consecutive-Sequence C++ Hard 130♣ Surrounded-Regions C++ Medium 133♣ Clone-Graph C++ Medium 136♣ Single-Number C++, Python Easy 139♣ Word-Break C++ Medium 141♣ Linked-List-Cycle C++, Python Easy 142 Linked-List-Cycle-II C++, Python Medium 144 Binary-Tree-Preorder-Traversal C++, Python Medium 145 Binary-Tree-Postorder-Traversal C++, Python Medium 146♣ LRU-Cache C++ Medium 150 Evaluate-Reverse-Polish-Notation C++ Medium 151♣ Reverse-Words-In-A-String C++, Python Medium 152♣ Maximum-Product-Subarray C++ Medium 153 Find-Minimum-In-Rotated-Sorted-Array C++, Python Medium 154 Find-Minimum-In-Rotated-Sorted-Array-II C++ Medium 155♣ Min-Stack C++, Python Easy 160 Intersection-Of-Two-Linked-Lists C++, Python Easy 162 Find-Peak-Element C++ Medium 167♣ Two-Sum-II-Input-Array-Is-Sorted C++, Python Easy 169♣ Majority-Element C++, Python Easy 179 Largest-Number C++, Python Medium 188♣ Best-Time-To-Buy-And-Sell-Stock-IV C++, Python Hard 189♣ Rotate-Array C++ Easy 191 Number-Of-1-Bits C++, Python Easy 198♣ House-Robber C++, Python Easy 199♣ Binary-Tree-Right-Side-View C++ Medium 200♣ Number-Of-Islands C++, Python Medium 202♣ Happy-Number C++ Easy 203 Remove-Linked-List-Elements C++, Python Easy 204♣ Count-Primes C++) Easy 205♣ Isomorphic-Strings C++) Easy 206♣ Reverse-Linked-List C++, Python Easy 209♣ Minimum-Size-Subarray-Sum C++, Python Medium 210♣ Course-Schedule-II C++, Python Medium 213 House-Robber-II C++, Python Easy 215♣ Kth-Largest-Element-In-An-Array C++, Python Medium 216♣ Combination-Sum-III C++ Medium 217♣ Contains-Duplicate C++ Easy 221♣ Maximal-Square C++, Python Medium 225♣ Implement-Stack-Using-Queues C++, Python Easy 226 Invert-Binary-Tree C++, Python Easy 228 Summary-Ranges C++ Easy 233 Number-Of-Digit-One C++, Python Hard 234 Palindrome-Linked-List C++ Easy 235♣ Lowest-Common-Ancestor-Of-A-Binary-Search-Tree C++ Easy 236♣ Lowest-Common-Ancestor-Of-A-Binary-Tree C++ Medium 237 Delete-Node-In-A-Linked-List C++, Python Easy 238♣ Product-Of-Array-Except-Self C++ Medium 239♣ Sliding-Window-Maximum C++ Medium 240 Search-A-2D-Matrix-II C++, Python Medium 257 Binary-Tree-Paths C++ Easy 260 Single-Number-III C++, Python Medium 263 Ugly-Number C++, Python Easy 264 Ugly-Number-II C++, Python Medium 268 Missing-Number C++, Python Easy 275 H-Index-II C++ Medium 279 Perfect-Squares C++, Python Medium 283 Move-Zeroes C++, Python Easy 287♣ Find-The-Duplicate-Number C++, Python Medium 289♣ Game-Of-Life C++ Medium 290♣ Word-Pattern C++ Easy 295 Find-Median-From-Data-Stream C++, Python Hard 297♣ Serialize-And-Deserialize-Binary-Tree C++, Python Hard 300 Longest-Increasing-Subsequence C++, Python Medium 309♣ Best-Time-To-Buy-And-Sell-Stock-With-Cooldown C++, Python Medium 315♣ Count-Of-Smaller-Numbers-After-Self C++ Hard 316♣ Remove-Duplicate-Letters C++) Medium 321♣ Create-Maximum-Number C++) Medium 322♣ Coin-Change C++, Python Medium 337 House-Robber-III C++, Python Medium 343 Integer-Break C++, Python Medium 347♣ Top-K-Frequent-Elements C++ Medium 349♣ Intersection-Of-Two-Arrays C++ Easy 350♣ Intersection-Of-Two-Arrays-II C++ Easy 354 Russian-Doll-Envelopes C++, Python Hard 355♣ Design-Twitter C++ Medium 365♣ Water-And-Jug-Problem C++, Python Medium 374 Guess-Number-Higher-Or-Lower C++ Easy 376♣ Wiggle-Subsequence C++ Medium 378♣ Kth-Smallest-Element-In-A-Sorted-Matrix C++ Medium 387♣ First-Unique-Character-In-A-String C++, Python Easy 389♣ Find-The-Difference C++ Easy 394♣ Decode-String C++ Medium 400 Nth-Digit C++, Python Meidum 402♣ Remove-K-Digits C++ Medium 409♣ Longest-Palindrome C++, Python Easy 410 Split-Array-Largest-Sum C++ Hard 415 Add-Strings C++, Python Easy 426 Convert-Binary-Search-Tree-To-Sorted-Doubly-Lnked-List C++, Python Medium 435♣ Non-Overlapping-Intervals C++ Medium 438 Find-All-Anagrams-In-A-String C++ Medium 445♣ Add-Two-Numbers-II C++ Medium 455♣ Assign-Cookies C++ Easy 459♣ Repeated-Substring-Pattern C++ Easy 460♣ LFU-Cache C++ Hard 463♣ Island-Perimeter C++ Easy 466♣ Count-The-Repetitions C++ Hard 470♣ Implement-Rand10-Using-Rand7 C++ Medium 496 Next-Greater-Element-I C++, Python Easy 501 Find-Mode-In-Binary-Search-Tree C++ Easy 503 Next-Greater-Element-II C++, Python Meidum 516 Longest-Palindromic-Subsequence C++, Python Medium 518 Coin-Change-II C++ Medium 542♣ 01-Matrix C++ Medium 543♣ Diameter-Of-Binary-Tree C++, Python Easy 546♣ Remove-Boxes C++ Hard 556 Next-Greater-Element-III C++, Python Medium 557♣ Reverse-Words-In-A-String-III C++ Easy 560♣ Subarray-Sum-Equals-K C++ Medium 563 Binary-Tree-Tilt C++ Easy 567 Permutation-In-String C++ Medium 572♣ Subtree-Of-Another-Tree C++ Easy 605♣ Can-Place-Flowers C++ Easy 617♣ Merge-Two-Binary-Trees C++ Easy 621♣ Task-Scheduler C++ Medium 647♣ Palindromic-Substrings C++ Medium 649♣ Dota2-Senate C++ Medium 657♣ Robot-Return-To-Origin C++ Easy 659♣ Split-Array-Into-Consecutive-Subsequences C++) Medium 674 Longest-Continuous-Increasing-Subsequence C++, Python Easy 695♣ Max-Area-Of-Island C++, Python Easy 696♣ Count-Binary-Substrings C++ Easy 703 Kth-Largest-Element-In-A-Stream C++ Easy 704 Binary-Search C++ Easy 714♣ Best-Time-To-Buy-And-Sell-Stock-With-Transaction-Fee C++, Python Medium 718♣ Maximum-Length-Of-Repeated-Subarray C++ Medium 733♣ Flood-Fill C++ Medium 738♣ Monotone-Increasing-Digits C++ Medium 739 Daily-Temperatures C++, Python Medium 746♣ Min-Cost-Climbing-Stairs C++ Medium 771♣ Jewels-And-Stones C++ Easy 785♣ Is-Graph-Bipartite C++ Medium 796 Rotate-String C++, Python Easy 820♣ Short-Encoding-Of-Words C++, Python Easy 830♣ Positions-Of-Large-Groups C++ Easy 836♣ Rectangle-Overlap C++, Python Easy 842♣ Split-Array-Into-Fibonacci-Sequence C++ Medium 846 Hand-Of-Straights C++, Python Medium 852♣ Peak-Index-In-A-Mountain-Array C++ Easy 860♣ Lemonade-Change C++ Easy 861♣ Score-After-Flipping-Matrix C++ Medium 876♣ Middle-Of-The-Linked-List C++, Python Easy 887♣ Super-Egg-Drop C++ Hard 892♣ Surface-Area-Of-3D-Shapes C++ Easy 912♣ Sort-An-Array C++ Medium 914♣ X-Of-A-Kind-In-A-Deck-Of-Cards C++, Python Easy 941♣ Valid-Mountain-Array C++ Easy 945♣ Minimum-Increment-To-Make-Array-Unique C++, Python Medium 946 Validate-Stack-Sequences C++, Python Medium 974♣ Subarray-Sums-Divisible-By-K C++ Medium 977 Squares-Of-A-Sorted-Array C++ Easy 983♣ Minimum-Cost-For-Tickets C++ Medium 983♣ Minimum-Cost-For-Tickets C++ Medium 986 Interval-List-Intersections C++ Medium 999♣ Available-Captures-For-Rook C++, Python Easy 1013♣ Partition-Array-Into-Three-Parts-With-Equal-Sum C++, Python Easy 1014♣ Best-Sightseeing-Pair C++ Medium 1025♣ Divisor-Game C++ Easy 1028♣ Recover-A-Tree-From-Preorder-Traversal C++ Hard 1046♣ Last-Stone-Weight C++, Python Easy 1049 Last-Stone-Weight-II C++, Python Medium 1071♣ Greatest-Common-Divisor-Of-Strings C++, Python Easy 1095♣ Find-In-Mountain-Array C++ Hard 1103♣ Distribute-Candies-To-People C++, Python Easy 1143 Longest-Common-Subsequence C++, Python Medium 1160♣ Find-Words-That-Can-Be-Formed-By-Characters C++, Python Easy 1162♣ As-Far-From-Land-As-Possible C++, Python Medium 1248♣ Count-Number-Of-Nice-Subarrays C++ Medium 1300♣ Sum-Of-Mutated-Array-Closest-To-Target C++ Medium 1360 Number-Of-Days-Between-Two-Dates C++ Easy 1365♣ How-Many-Numbers-Are-Smaller-Than-The-Current-Number C++ Easy 1371 Find-The-Longest-Substring-Containing-Vowels-In-Even-Counts C++ Medium 1431 Kids-With-The-Greatest-Number-Of-Candies C++ Easy 5178 Four-Divisors C++ Medium 5345 Rank-Teams-By-Votes C++ Medium 面试题01.06♣ 字符串压缩 C++,Python Easy 面试题01.07♣ 旋转矩阵 C++ Meidum 面试题02.01♣ 移除重复节点 C++ Easy 面试题08.11♣ 旋转矩阵 C++ Meidum 面试题16.11♣ 跳水板 C++ Easy 面试题16.03♣ 交点 C++ Hard 面试题17.06♣ 按摩师 C++,Python Easy 面试题09♣ 用两个栈实现队列 C++ Easy 面试题10♣ 合并排序的数组 C++,Python Easy 面试题13♣ 机器人的运动范围 C++ Medium 面试题40♣ 最小的k个数 C++,Python Easy 面试题46♣ 把数字翻译成字符串 C++ Medium 面试题51♣ 数组中的逆序对 C++ Hard 面试题56♣ 数组中数字出现的次数 C++ Medium 面试题57♣ 和为s的连续正数序列 C++,Python Easy 面试题59♣ 队列的最大值 C++,Python Medium 面试题62♣ 圆圈中最后剩下的数字 C++ Medium 面试题64♣ 求1+2+…+n C++ Medium 笔试题1♣ 提取不重复的整数 C++ Easy 笔试题2♣ 病毒检测 C++ Medium 笔试题3♣ 考试成绩 C++ Medium 笔试题4♣ 石头碰撞 C++ Medium