A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | |
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1 | 09/29/2020 | 713. Subarray Product Less Than K | Medium | Array | https://leetcode.com/problems/subarray-product-less-than-k/ | |||||||||||||||||
2 | 09/29/2020 | 560. Subarray Sum Equals K | Medium | Array | https://leetcode.com/problems/subarray-sum-equals-k/ | |||||||||||||||||
3 | 3/12/2020 | 55. Jump Game | Medium | Array/Greedy | https://leetcode.com/problems/jump-game/ | |||||||||||||||||
4 | 09/20/2020 | 287. Find the Duplicate Number | Medium | Array/Two Pointers | https://leetcode.com/problems/find-the-duplicate-number/ | |||||||||||||||||
5 | 2/26/2020 | 15. 3Sum | Medium | Arrays | https://leetcode.com/problems/3sum/ | |||||||||||||||||
6 | 2/26/2020 | 11. Container w/ Most Water | Medium | Arrays | https://leetcode.com/problems/container-with-most-water/ | |||||||||||||||||
7 | 2/27/2020 | 1. Two Sum | Easy | Arrays | https://leetcode.com/problems/two-sum/ | |||||||||||||||||
8 | 2/27/2020 | 2. Add Two Numbers | Medium | Arrays | https://leetcode.com/problems/add-two-numbers/ | |||||||||||||||||
9 | 2/27/2020 | 34. Find First and Last Elemen in Sorted Array | Medium | Arrays | https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ | |||||||||||||||||
10 | 3/10/2020 | 48. Rotate Image | Medium | Arrays | https://leetcode.com/problems/rotate-image/ | |||||||||||||||||
11 | 3/10/2020 | 54. Spiral Matrix | Medium | Arrays | https://leetcode.com/problems/spiral-matrix/ | |||||||||||||||||
12 | 3/11/2020 | 70. Climbing Stairs | Easy | Arrays | https://leetcode.com/problems/climbing-stairs/ | |||||||||||||||||
13 | 3/11/2020 | 53. Maximum Subarray | Easy | Arrays | https://leetcode.com/problems/maximum-subarray/ | |||||||||||||||||
14 | 3/13/2020 | 62. Unique Paths | Medium | Arrays | https://leetcode.com/problems/unique-paths/ | |||||||||||||||||
15 | 3/13/2020 | 73. Set Matrix Zeroes | Medium | Arrays | https://leetcode.com/problems/set-matrix-zeroes/ | |||||||||||||||||
16 | 3/14/2020 | 79. Word Search | Medium | Arrays | https://leetcode.com/problems/word-search/ | |||||||||||||||||
17 | 3/21/2020 | 128. Longest Consecutive Sequence | Hard | Arrays | https://leetcode.com/problems/longest-consecutive-sequence/ | |||||||||||||||||
18 | 3/25/2020 | 152. Maximium Product Subarray | Medium | Arrays | https://leetcode.com/problems/maximum-product-subarray/ | |||||||||||||||||
19 | 3/25/2020 | 153. Find Minimum in Rotated Sorted Array | Medium | Arrays | https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/ | |||||||||||||||||
20 | 04/07/2020 | 238. Product of Array Except Self | Medium | Arrays | https://leetcode.com/problems/product-of-array-except-self/ | |||||||||||||||||
21 | 04/14/2020 | 268. Missing Number | Easy | Arrays | https://leetcode.com/problems/missing-number/ | |||||||||||||||||
22 | 04/16/2020 | 169. Majority Element | Easy | Arrays | https://leetcode.com/problems/majority-element/ | |||||||||||||||||
23 | 04/21/2020 | 42. Trapping Rain Water | Hard | Arrays | https://leetcode.com/problems/trapping-rain-water/ | |||||||||||||||||
24 | 04/27/2020 | 57. Insert Interval | Hard | Arrays | https://leetcode.com/problems/insert-interval/ | |||||||||||||||||
25 | 05/06/2020 | 4. Median of Two Sorted Arrays | Hard | Arrays | https://leetcode.com/problems/median-of-two-sorted-arrays/ | |||||||||||||||||
26 | 05/18/2020 | 350. Intersection of Two Arrays II | Easy | Arrays | https://leetcode.com/problems/intersection-of-two-arrays-ii/ | |||||||||||||||||
27 | 05/19/2020 | 562. Longest Line of Consecutive One in Matrix | Medium | Arrays | https://leetcode.com/problems/longest-line-of-consecutive-one-in-matrix/ | |||||||||||||||||
28 | 05/25/2020 | 560. Subarray Sum Equals K | Medium | Arrays | https://leetcode.com/problems/subarray-sum-equals-k/ | |||||||||||||||||
29 | 05/26/2020 | 31. Next Permutation | Medium | Arrays | https://leetcode.com/problems/next-permutation/ | |||||||||||||||||
30 | 05/29/2020 | 16. 3Sum Closest | Medium | Arrays | https://leetcode.com/problems/3sum-closest/ | |||||||||||||||||
31 | 06/08/2020 | 26. Remove Duplicates from Sorted Array | Easy | Arrays | https://leetcode.com/problems/remove-duplicates-from-sorted-array/ | |||||||||||||||||
32 | 06/12/2020 | 31. Next Permutation | Medium | Arrays | https://leetcode.com/problems/next-permutation/ | |||||||||||||||||
33 | 06/12/2020 | 896. Monotonic Array | Easy | Arrays | https://leetcode.com/problems/monotonic-array/ | |||||||||||||||||
34 | 06/17/2020 | 259. 3 Sum Smaller | Medium | Arrays | https://leetcode.com/problems/3sum-smaller/ | |||||||||||||||||
35 | 06/17/2020 | 18. 4Sum | Medium | Arrays | https://leetcode.com/problems/4sum/ | |||||||||||||||||
36 | 06/18/2020 | 27. Remove Element | Easy | Arrays | https://leetcode.com/problems/remove-element/ | |||||||||||||||||
37 | 06/18/2020 | 35. Search Insert Position | Easy | Arrays | https://leetcode.com/problems/search-insert-position/ | |||||||||||||||||
38 | 07/09/2020 | 48. Rotate Image | Medium | Arrays | https://leetcode.com/problems/rotate-image/ | |||||||||||||||||
39 | 08/20/2020 | 1512. Number of Good Pairs | Easy | Arrays | https://leetcode.com/problems/number-of-good-pairs/ | |||||||||||||||||
40 | 08/21/2020 | 457. Circular Array Loop | Medium | Arrays | https://leetcode.com/problems/circular-array-loop/ | |||||||||||||||||
41 | 08/21/2020 | 907. Sum of Subarray Minimums | Medium | Arrays | https://leetcode.com/problems/sum-of-subarray-minimums/ | |||||||||||||||||
42 | 07/30/2020 | 277. Find the Celebrity | Medium | Arrays/Graph | https://leetcode.com/problems/find-the-celebrity/ | |||||||||||||||||
43 | 3/8/2020 | 39. Combination Sum | Medium | Backtracking | https://leetcode.com/problems/combination-sum/ | |||||||||||||||||
44 | 04/02/2020 | 212. Word Search 2 | Hard | Backtracking | https://leetcode.com/problems/word-search-ii/ | |||||||||||||||||
45 | 05/29/2020 | 17. Letter Combinations of a Phone Number | Medium | Backtracking | https://leetcode.com/problems/letter-combinations-of-a-phone-number/ | |||||||||||||||||
46 | 06/01/2020 | 22. Generate Parentheses | Medium | Backtracking | https://leetcode.com/problems/generate-parentheses/ | |||||||||||||||||
47 | 06/10/2020 | 22. Generate Parentheses | Medium | Backtracking | https://leetcode.com/problems/generate-parentheses/ | |||||||||||||||||
48 | 08/06/2020 | 77. Combinations | Medium | Backtracking | https://leetcode.com/problems/combinations/ | |||||||||||||||||
49 | 08/06/2020 | 46. Permutations | Medium | Backtracking | https://leetcode.com/problems/permutations/ | |||||||||||||||||
50 | 04/01/2020 | 101. Symmetric Tree | Easy | BFS | https://leetcode.com/problems/symmetric-tree/ | |||||||||||||||||
51 | 04/01/2020 | 102. Binary Tree Level Order Traversal | Medium | BFS | https://leetcode.com/problems/binary-tree-level-order-traversal/ | |||||||||||||||||
52 | 05/20/2020 | 127. Word Ladder | Medium | BFS | https://leetcode.com/problems/word-ladder/ | |||||||||||||||||
53 | 08/18/2020 | 993. Cousins in Binary Tree | Easy | BFS | https://leetcode.com/problems/cousins-in-binary-tree/ | |||||||||||||||||
54 | 08/18/2020 | 1245. Tree Diameter | Medium | BFS | https://leetcode.com/problems/tree-diameter/ | |||||||||||||||||
55 | 08/24/2020 | 127. Word Ladder | Medium | BFS | https://leetcode.com/problems/word-ladder/ | |||||||||||||||||
56 | 09/28/2020 | 1091. Shortest Path in Binary Matrix | Medium | BFS | https://leetcode.com/problems/shortest-path-in-binary-matrix/ | |||||||||||||||||
57 | 2/29/2020 | 101. Symmetric Tree | Easy | BFS/DFS | https://leetcode.com/problems/symmetric-tree/ | |||||||||||||||||
58 | 2/29/2020 | 108. Convert Sorted Array to Binary Search Tree | Easy | BFS/DFS | https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/ | |||||||||||||||||
59 | 09/04/2020 | 297. Serialize and Deserialize Binary Tree | Hard | Bianry Tree | https://leetcode.com/problems/serialize-and-deserialize-binary-tree/ | |||||||||||||||||
60 | 04/05/2020 | 230. Kth Smallest Element in a BST | Medium | Binary Search | https://leetcode.com/problems/kth-smallest-element-in-a-bst/ | |||||||||||||||||
61 | 04/05/2020 | 235. Lowest Common Ancestor of a Binary Search Tree | Easy | Binary Search | https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/ | |||||||||||||||||
62 | 04/22/2020 | 222. Count Complete Tree Nodes | Medium | Binary Search | https://leetcode.com/problems/count-complete-tree-nodes/ | |||||||||||||||||
63 | 04/23/2020 | 300. Longest Increasing Subsequence | Medium | Binary Search | https://leetcode.com/problems/longest-increasing-subsequence/ | |||||||||||||||||
64 | 05/26/2020 | 29. Divide Two Integers | Medium | Binary Search | https://leetcode.com/problems/divide-two-integers/ | |||||||||||||||||
65 | 09/08/2020 | 240. Search a 2D Matrix II | Medium | Binary Search | https://leetcode.com/problems/search-a-2d-matrix-ii/ | |||||||||||||||||
66 | 09/27/2020 | 162. Find Peak Element | Medium | Binary Search | https://leetcode.com/problems/find-peak-element/ | |||||||||||||||||
67 | 09/30/2020 | 278. First Bad Version | Easy | Binary Search | https://leetcode.com/problems/first-bad-version/ | |||||||||||||||||
68 | 10/01/2020 | 1590. Make Sum Divisible by P | Medium | Binary Search | https://leetcode.com/problems/make-sum-divisible-by-p/ | |||||||||||||||||
69 | 09/03/2020 | 199. Binary Tree Right Side View | Medium | Binary Tree | https://leetcode.com/problems/binary-tree-right-side-view/ | |||||||||||||||||
70 | 09/03/2020 | 173. Binary Search Tree Iterator | Medium | Binary Tree | https://leetcode.com/problems/binary-search-tree-iterator/ | |||||||||||||||||
71 | 09/07/2020 | 863. All Nodes K in Binary Tree | Medium | Binary Tree | https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree/ | |||||||||||||||||
72 | 04/26/2020 | 371. Sum of Two Integers | Easy | Bit Manipulation | https://leetcode.com/problems/sum-of-two-integers/ | |||||||||||||||||
73 | 07/17/2020 | 201. Bitwise AND of Numbers Range | Medium | Bit Manipulation | https://leetcode.com/problems/bitwise-and-of-numbers-range/ | |||||||||||||||||
74 | 3/27/2020 | 190. Reverse Bits | Easy | Bits | https://leetcode.com/problems/reverse-bits/ | |||||||||||||||||
75 | 3/27/2020 | 191. Number of 1 Bits | Easy | Bits | https://leetcode.com/problems/number-of-1-bits/ | |||||||||||||||||
76 | 3/7/2020 | 21. Merge Two Sorted Lists | Easy | Blind 75 List | https://leetcode.com/problems/merge-two-sorted-lists/ | |||||||||||||||||
77 | 3/7/2020 | 3. Longest Substring without Repeating Characters | Medium | Blind 75 List | https://leetcode.com/problems/longest-substring-without-repeating-characters/ | |||||||||||||||||
78 | 3/7/2020 | 33. Search in Rotated Sorted Array | Medium | Blind 75 List | https://leetcode.com/problems/search-in-rotated-sorted-array/ | |||||||||||||||||
79 | 3/15/2020 | 98. Validate Binary Search Tree | Medium | BST | https://leetcode.com/problems/validate-binary-search-tree/ | |||||||||||||||||
80 | 07/26/2020 | 938. Range Sum of BST | Easy | BST | https://leetcode.com/problems/range-sum-of-bst/ | |||||||||||||||||
81 | 2/26/2020 | 973. K Closest Points to Origin | Medium | D&C/Heaps | https://leetcode.com/problems/k-closest-points-to-origin/ | |||||||||||||||||
82 | 3/31/2020 | 208. Implement Trie (Prefix Tree) | Medium | Design | https://leetcode.com/problems/implement-trie-prefix-tree/ | |||||||||||||||||
83 | 3/31/2020 | 211. Add and Search Word - Data structure design | Medium | Design | https://leetcode.com/problems/add-and-search-word-data-structure-design/ | |||||||||||||||||
84 | 04/16/2020 | 146. LRU Cache | Medium | Design | https://leetcode.com/problems/lru-cache/ | |||||||||||||||||
85 | 04/18/2020 | 295. Find Median from Data Stream | Hard | Design | https://leetcode.com/problems/find-median-from-data-stream/ | |||||||||||||||||
86 | 05/13/2020 | 362. Design Hit Counter | Medium | Design | https://leetcode.com/problems/design-hit-counter/ | |||||||||||||||||
87 | 2/29/2020 | 98.Validate Binary Search Tree | Medium | DFS | https://leetcode.com/problems/validate-binary-search-tree/ | |||||||||||||||||
88 | 3/28/2020 | 200. Number of Islands | Medium | DFS | https://leetcode.com/problems/number-of-islands/ | |||||||||||||||||
89 | 3/29/2020 | 207. Course Scheduler | Medium | DFS | https://leetcode.com/problems/course-schedule/ | |||||||||||||||||
90 | 08/24/2020 | 1192. Critical Connections in a Network | Hard | DFS | https://leetcode.com/problems/critical-connections-in-a-network/ | |||||||||||||||||
91 | 09/08/2020 | 210. Course Schedule II | Medium | DFS | https://leetcode.com/problems/course-schedule-ii/ | |||||||||||||||||
92 | 04/24/2020 | 323. Number of Connected Components in an Undirected Graph | Medium | DFS/BFS | https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/ | |||||||||||||||||
93 | 04/26/2020 | 417. Pacific Atlantic Water Flow | Medium | DFS/BFS | https://leetcode.com/problems/pacific-atlantic-water-flow/ | |||||||||||||||||
94 | 3/22/2020 | 133. Clone Graph | Medium | DFS/BFS/Graph | https://leetcode.com/problems/clone-graph/ | |||||||||||||||||
95 | 08/27/2020 | 200. Number of Islands | Medium | DFS/BFS/UF | https://leetcode.com/problems/number-of-islands/ | |||||||||||||||||
96 | 09/07/2020 | 973. K Closest Points to Origin | Medium | Divide & Conquer | https://leetcode.com/problems/k-closest-points-to-origin/ | |||||||||||||||||
97 | 3/3/2020 | 198. House Robber | Easy | DP | https://leetcode.com/problems/house-robber/ | |||||||||||||||||
98 | 3/3/2020 | 5. Longest Palindromic Substring | Medium | DP | https://leetcode.com/problems/longest-palindromic-substring/solution/ | |||||||||||||||||
99 | 3/3/2020 | 70. Climbing Stairs | Medium | DP | https://leetcode.com/problems/climbing-stairs/ | |||||||||||||||||
100 | 3/16/2020 | 91. Decode Ways | Medium | DP | https://leetcode.com/problems/decode-ways/ |