leetcode-solutions

Solved over 250+ leetcode problems on topics including array, string, hash map, stack, queue, linked lists, binary search, sorting, sliding window, breadth first search, depth first search, binary trees, binary search trees, graphs.

Name		Name	Last commit message	Last commit date
Latest commit History 1,272 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
0006-zigzag-conversion		0006-zigzag-conversion
0009-palindrome-number		0009-palindrome-number
0011-container-with-most-water		0011-container-with-most-water
0015-3sum		0015-3sum
0017-letter-combinations-of-a-phone-number		0017-letter-combinations-of-a-phone-number
0020-valid-parentheses		0020-valid-parentheses
0023-merge-k-sorted-lists		0023-merge-k-sorted-lists
0024-swap-nodes-in-pairs		0024-swap-nodes-in-pairs
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
0038-count-and-say		0038-count-and-say
0041-first-missing-positive		0041-first-missing-positive
0045-jump-game-ii		0045-jump-game-ii
0046-permutations		0046-permutations
0048-rotate-image		0048-rotate-image
0050-powx-n		0050-powx-n
0054-spiral-matrix		0054-spiral-matrix
0055-jump-game		0055-jump-game
0059-spiral-matrix-ii		0059-spiral-matrix-ii
0061-rotate-list		0061-rotate-list
0062-unique-paths		0062-unique-paths
0064-minimum-path-sum		0064-minimum-path-sum
0068-text-justification		0068-text-justification
0071-simplify-path		0071-simplify-path
0073-set-matrix-zeroes		0073-set-matrix-zeroes
0077-combinations		0077-combinations
0080-remove-duplicates-from-sorted-array-ii		0080-remove-duplicates-from-sorted-array-ii
0081-search-in-rotated-sorted-array-ii		0081-search-in-rotated-sorted-array-ii
0083-remove-duplicates-from-sorted-list		0083-remove-duplicates-from-sorted-list
0086-partition-list		0086-partition-list
0092-reverse-linked-list-ii		0092-reverse-linked-list-ii
0098-validate-binary-search-tree		0098-validate-binary-search-tree
0101-symmetric-tree		0101-symmetric-tree
0106-construct-binary-tree-from-inorder-and-postorder-traversal		0106-construct-binary-tree-from-inorder-and-postorder-traversal
0109-convert-sorted-list-to-binary-search-tree		0109-convert-sorted-list-to-binary-search-tree
0111-minimum-depth-of-binary-tree		0111-minimum-depth-of-binary-tree
0112-path-sum		0112-path-sum
0118-pascals-triangle		0118-pascals-triangle
0119-pascals-triangle-ii		0119-pascals-triangle-ii
0121-best-time-to-buy-and-sell-stock		0121-best-time-to-buy-and-sell-stock
0127-word-ladder		0127-word-ladder
0129-sum-root-to-leaf-numbers		0129-sum-root-to-leaf-numbers
0130-surrounded-regions		0130-surrounded-regions
0133-clone-graph		0133-clone-graph
0135-candy		0135-candy
0137-single-number-ii		0137-single-number-ii
0138-copy-list-with-random-pointer		0138-copy-list-with-random-pointer
0141-linked-list-cycle		0141-linked-list-cycle
0142-linked-list-cycle-ii		0142-linked-list-cycle-ii
0143-reorder-list		0143-reorder-list
0146-lru-cache		0146-lru-cache
0160-intersection-of-two-linked-lists		0160-intersection-of-two-linked-lists
0175-combine-two-tables		0175-combine-two-tables
0177-nth-highest-salary		0177-nth-highest-salary
0178-rank-scores		0178-rank-scores
0180-consecutive-numbers		0180-consecutive-numbers
0181-employees-earning-more-than-their-managers		0181-employees-earning-more-than-their-managers
0182-duplicate-emails		0182-duplicate-emails
0183-customers-who-never-order		0183-customers-who-never-order
0187-repeated-dna-sequences		0187-repeated-dna-sequences
0189-rotate-array		0189-rotate-array
0191-number-of-1-bits		0191-number-of-1-bits
0197-rising-temperature		0197-rising-temperature
0198-house-robber		0198-house-robber
0199-binary-tree-right-side-view		0199-binary-tree-right-side-view
0200-number-of-islands		0200-number-of-islands
0203-remove-linked-list-elements		0203-remove-linked-list-elements
0205-isomorphic-strings		0205-isomorphic-strings
0206-reverse-linked-list		0206-reverse-linked-list
0207-course-schedule		0207-course-schedule
0208-implement-trie-prefix-tree		0208-implement-trie-prefix-tree
0209-minimum-size-subarray-sum		0209-minimum-size-subarray-sum
0211-design-add-and-search-words-data-structure		0211-design-add-and-search-words-data-structure
0213-house-robber-ii		0213-house-robber-ii
0215-kth-largest-element-in-an-array		0215-kth-largest-element-in-an-array
0225-implement-stack-using-queues		0225-implement-stack-using-queues
0227-basic-calculator-ii		0227-basic-calculator-ii
0229-majority-element-ii		0229-majority-element-ii
0230-kth-smallest-element-in-a-bst		0230-kth-smallest-element-in-a-bst
0232-implement-queue-using-stacks		0232-implement-queue-using-stacks
0237-delete-node-in-a-linked-list		0237-delete-node-in-a-linked-list
0257-binary-tree-paths		0257-binary-tree-paths
0258-add-digits		0258-add-digits
0260-single-number-iii		0260-single-number-iii
0278-first-bad-version		0278-first-bad-version
0287-find-the-duplicate-number		0287-find-the-duplicate-number
0289-game-of-life		0289-game-of-life
0319-bulb-switcher		0319-bulb-switcher
0326-power-of-three		0326-power-of-three
0331-verify-preorder-serialization-of-a-binary-tree		0331-verify-preorder-serialization-of-a-binary-tree
0332-reconstruct-itinerary		0332-reconstruct-itinerary
0338-counting-bits		0338-counting-bits

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