LeetCode Core Problems Classification
作者：XD / 发表： 2021年2月23日 08:17 / 更新： 2021年2月23日 08:18 / 编程笔记 / 阅读量：6080
Here is the list of the classified LeetCode core problems. It is useful for reviewing questions every time.
Binary Tree
- binary-tree-preorder-traversal
- binary-tree-inorder-traversal
- binary-tree-postorder-traversal
- binary-tree-level-order-traversal
- maximum-depth-of-binary-tree
- balanced-binary-tree
- binary-tree-maximum-path-sum
- lowest-common-ancestor-of-a-binary-tree
- binary-tree-level-order-traversal
- binary-tree-level-order-traversal-ii
- binary-tree-zigzag-level-order-traversal
- validate-binary-search-tree
- insert-into-a-binary-search-tree
- validate-binary-search-tree
- delete-node-in-a-bst
Linked List
- remove-duplicates-from-sorted-list
- remove-duplicates-from-sorted-list-ii
- reverse-linked-list
- reverse-linked-list-ii
- merge-two-sorted-lists
- partition-list
- sort-list
- reorder-list
- linked-list-cycle
- linked-list-cycle-ii
- palindrome-linked-list
- copy-list-with-random-pointer
Stack and Deque
- min-stack
- evaluate-reverse-polish-notation
- decode-string
- binary-tree-inorder-traversal
- clone-graph
- number-of-islands
- largest-rectangle-in-histogram
- implement-queue-using-stacks
- 01-matrix
- largest-rectangle-in-histogram
- trapping-rain-water
- sliding-window-maximum
- shortest-subarray-with-sum-at-least-k
Heap
- kth-largest-element-in-a-stream
- kth-smallest-element-in-a-sorted-matrix
- find-k-pairs-with-smallest-sums
- maximum-performance-of-a-team
- ipo
- meeting-rooms-ii
- reorganize-string
- minimum-risk-path
- network-delay-time
- cheapest-flights-within-k-stops
Union-Find (disjoint sets)
Bitwise Operations
- single-number
- single-number-ii
- single-number-iii
- number-of-1-bits
- counting-bits
- reverse-bits
- bitwise-and-of-numbers-range
Binary Search
- search-for-range
- search-insert-position
- search-a-2d-matrix
- first-bad-version
- find-minimum-in-rotated-sorted-array
- find-minimum-in-rotated-sorted-array-ii
- search-in-rotated-sorted-array
- search-in-rotated-sorted-array-ii
Sort
Dynamic Programming
- triangle
- minimum-path-sum
- unique-paths
- unique-paths-ii
- climbing-stairs
- jump-game
- jump-game-ii
- palindrome-partitioning-ii
- longest-increasing-subsequence
- word-break
- longest-common-subsequence
- edit-distance
- coin-change
- backpack
- backpack-ii
- maximum-product-subarray
- decode-ways
- best-time-to-buy-and-sell-stock-with-cooldown
- word-break-ii
- burst-balloons
Graph
- walls-and-gates
- shortest-bridge
- sliding-puzzle
- course-schedule-ii
- alien-dictionary
- sequence-reconstruction
- minimum-risk-path
- walls-and-gates
- shortest-bridge
- network-delay-time
- cheapest-flights-within-k-stops
- word-ladder
Recursion
Slide Window
- minimum-window-substring
- permutation-in-string
- find-all-anagrams-in-a-string
- longest-substring-without-repeating-characters
Backtrack
- subsets
- subsets-ii
- permutations
- permutations-ii
- combination-sum
- letter-combinations-of-a-phone-number
- palindrome-partitioning
- restore-ip-addresses
Reference
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