LeetCode Topics

Leetcode practice questions

LeetCode Topics

Array


1036-rotting-oranges
2527-count-subarrays-with-fixed-bounds

Queue


2527-count-subarrays-with-fixed-bounds

Sliding Window


2527-count-subarrays-with-fixed-bounds

Monotonic Queue


2527-count-subarrays-with-fixed-bounds

Linked List


0025-reverse-nodes-in-k-group

Recursion


0025-reverse-nodes-in-k-group

Breadth-First Search


0893-all-nodes-distance-k-in-binary-tree
1036-rotting-oranges

Matrix


1036-rotting-oranges

Tree


0124-binary-tree-maximum-path-sum
0572-subtree-of-another-tree
0893-all-nodes-distance-k-in-binary-tree

Depth-First Search


0124-binary-tree-maximum-path-sum
0572-subtree-of-another-tree
0893-all-nodes-distance-k-in-binary-tree

String Matching


0572-subtree-of-another-tree

Binary Tree


0124-binary-tree-maximum-path-sum
0572-subtree-of-another-tree
0893-all-nodes-distance-k-in-binary-tree

Hash Function


0572-subtree-of-another-tree

Dynamic Programming


0124-binary-tree-maximum-path-sum

Hash Table


0893-all-nodes-distance-k-in-binary-tree

Name		Name	Last commit message	Last commit date
Latest commit History 588 Commits
0001-two-sum		0001-two-sum
0002-add-two-numbers		0002-add-two-numbers
0003-longest-substring-without-repeating-characters		0003-longest-substring-without-repeating-characters
0004-median-of-two-sorted-arrays		0004-median-of-two-sorted-arrays
0007-reverse-integer		0007-reverse-integer
0008-string-to-integer-atoi		0008-string-to-integer-atoi
0009-palindrome-number		0009-palindrome-number
0011-container-with-most-water		0011-container-with-most-water
0013-roman-to-integer		0013-roman-to-integer
0014-longest-common-prefix		0014-longest-common-prefix
0015-3sum		0015-3sum
0017-letter-combinations-of-a-phone-number		0017-letter-combinations-of-a-phone-number
0019-remove-nth-node-from-end-of-list		0019-remove-nth-node-from-end-of-list
0020-valid-parentheses		0020-valid-parentheses
0022-generate-parentheses		0022-generate-parentheses
0023-merge-k-sorted-lists		0023-merge-k-sorted-lists
0024-swap-nodes-in-pairs		0024-swap-nodes-in-pairs
0025-reverse-nodes-in-k-group		0025-reverse-nodes-in-k-group
0026-remove-duplicates-from-sorted-array		0026-remove-duplicates-from-sorted-array
0027-remove-element		0027-remove-element
0028-find-the-index-of-the-first-occurrence-in-a-string		0028-find-the-index-of-the-first-occurrence-in-a-string
0031-next-permutation		0031-next-permutation
0033-search-in-rotated-sorted-array		0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array		0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position		0035-search-insert-position
0039-combination-sum		0039-combination-sum
0040-combination-sum-ii		0040-combination-sum-ii
0041-first-missing-positive		0041-first-missing-positive
0042-trapping-rain-water		0042-trapping-rain-water
0048-rotate-image		0048-rotate-image
0049-group-anagrams		0049-group-anagrams
0050-powx-n		0050-powx-n
0053-maximum-subarray		0053-maximum-subarray
0058-length-of-last-word		0058-length-of-last-word
0061-rotate-list		0061-rotate-list
0066-plus-one		0066-plus-one
0069-sqrtx		0069-sqrtx
0073-set-matrix-zeroes		0073-set-matrix-zeroes
0075-sort-colors		0075-sort-colors
0094-binary-tree-inorder-traversal		0094-binary-tree-inorder-traversal
0100-same-tree		0100-same-tree
0101-symmetric-tree		0101-symmetric-tree
0102-binary-tree-level-order-traversal		0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree		0104-maximum-depth-of-binary-tree
0105-construct-binary-tree-from-preorder-and-inorder-traversal		0105-construct-binary-tree-from-preorder-and-inorder-traversal
0110-balanced-binary-tree		0110-balanced-binary-tree
0121-best-time-to-buy-and-sell-stock		0121-best-time-to-buy-and-sell-stock
0124-binary-tree-maximum-path-sum		0124-binary-tree-maximum-path-sum
0125-valid-palindrome		0125-valid-palindrome
0129-sum-root-to-leaf-numbers		0129-sum-root-to-leaf-numbers
0136-single-number		0136-single-number
0141-linked-list-cycle		0141-linked-list-cycle
0142-linked-list-cycle-ii		0142-linked-list-cycle-ii
0143-reorder-list		0143-reorder-list
0144-binary-tree-preorder-traversal		0144-binary-tree-preorder-traversal
0145-binary-tree-postorder-traversal		0145-binary-tree-postorder-traversal
0148-sort-list		0148-sort-list
0151-reverse-words-in-a-string		0151-reverse-words-in-a-string
0155-min-stack		0155-min-stack
0160-intersection-of-two-linked-lists		0160-intersection-of-two-linked-lists
0162-find-peak-element		0162-find-peak-element
0169-majority-element		0169-majority-element
0189-rotate-array		0189-rotate-array
0199-binary-tree-right-side-view		0199-binary-tree-right-side-view
0203-remove-linked-list-elements		0203-remove-linked-list-elements
0205-isomorphic-strings		0205-isomorphic-strings
0206-reverse-linked-list		0206-reverse-linked-list
0216-combination-sum-iii		0216-combination-sum-iii
0225-implement-stack-using-queues		0225-implement-stack-using-queues
0231-power-of-two		0231-power-of-two
0232-implement-queue-using-stacks		0232-implement-queue-using-stacks
0234-palindrome-linked-list		0234-palindrome-linked-list
0237-delete-node-in-a-linked-list		0237-delete-node-in-a-linked-list
0238-product-of-array-except-self		0238-product-of-array-except-self
0263-ugly-number		0263-ugly-number
0264-ugly-number-ii		0264-ugly-number-ii
0268-missing-number		0268-missing-number
0283-move-zeroes		0283-move-zeroes
0287-find-the-duplicate-number		0287-find-the-duplicate-number
0328-odd-even-linked-list		0328-odd-even-linked-list
0344-reverse-string		0344-reverse-string
0349-intersection-of-two-arrays		0349-intersection-of-two-arrays
0350-intersection-of-two-arrays-ii		0350-intersection-of-two-arrays-ii
0365-water-and-jug-problem		0365-water-and-jug-problem
0367-valid-perfect-square		0367-valid-perfect-square
0387-first-unique-character-in-a-string		0387-first-unique-character-in-a-string
0442-find-all-duplicates-in-an-array		0442-find-all-duplicates-in-an-array
0462-minimum-moves-to-equal-array-elements-ii		0462-minimum-moves-to-equal-array-elements-ii
0463-island-perimeter		0463-island-perimeter
0476-number-complement		0476-number-complement
0485-max-consecutive-ones		0485-max-consecutive-ones
0496-next-greater-element-i		0496-next-greater-element-i
0502-ipo		0502-ipo
0523-continuous-subarray-sum		0523-continuous-subarray-sum
0540-single-element-in-a-sorted-array		0540-single-element-in-a-sorted-array
0543-diameter-of-binary-tree		0543-diameter-of-binary-tree
0547-number-of-provinces		0547-number-of-provinces
0572-subtree-of-another-tree		0572-subtree-of-another-tree
0590-n-ary-tree-postorder-traversal		0590-n-ary-tree-postorder-traversal
0624-maximum-distance-in-arrays		0624-maximum-distance-in-arrays

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