Data Structures and Algorithms

This repository will contain solutions to algorithmic problems from LeetCode. My goal is to solve at least one problem daily and document the solutions here.

Name		Name	Last commit message	Last commit date
Latest commit History 343 Commits
1-two-sum		1-two-sum
101-symmetric-tree		101-symmetric-tree
1014-k-closest-points-to-origin		1014-k-closest-points-to-origin
103-binary-tree-zigzag-level-order-traversal		103-binary-tree-zigzag-level-order-traversal
104-maximum-depth-of-binary-tree		104-maximum-depth-of-binary-tree
1050-construct-binary-search-tree-from-preorder-traversal		1050-construct-binary-search-tree-from-preorder-traversal
108-convert-sorted-array-to-binary-search-tree		108-convert-sorted-array-to-binary-search-tree
116-populating-next-right-pointers-in-each-node		116-populating-next-right-pointers-in-each-node
120-triangle		120-triangle
121-best-time-to-buy-and-sell-stock		121-best-time-to-buy-and-sell-stock
122-best-time-to-buy-and-sell-stock-ii		122-best-time-to-buy-and-sell-stock-ii
123-best-time-to-buy-and-sell-stock-iii		123-best-time-to-buy-and-sell-stock-iii
1236-n-th-tribonacci-number		1236-n-th-tribonacci-number
124-binary-tree-maximum-path-sum		124-binary-tree-maximum-path-sum
125-valid-palindrome		125-valid-palindrome
130-surrounded-regions		130-surrounded-regions
131-palindrome-partitioning		131-palindrome-partitioning
134-gas-station		134-gas-station
135-candy		135-candy
139-word-break		139-word-break
141-linked-list-cycle		141-linked-list-cycle
142-linked-list-cycle-ii		142-linked-list-cycle-ii
146-lru-cache		146-lru-cache
149-max-points-on-a-line		149-max-points-on-a-line
150-evaluate-reverse-polish-notation		150-evaluate-reverse-polish-notation
151-reverse-words-in-a-string		151-reverse-words-in-a-string
1544-count-good-nodes-in-binary-tree		1544-count-good-nodes-in-binary-tree
155-min-stack		155-min-stack
165-compare-version-numbers		165-compare-version-numbers
167-two-sum-ii-input-array-is-sorted		167-two-sum-ii-input-array-is-sorted
169-majority-element		169-majority-element
17-letter-combinations-of-a-phone-number		17-letter-combinations-of-a-phone-number
188-best-time-to-buy-and-sell-stock-iv		188-best-time-to-buy-and-sell-stock-iv
189-rotate-array		189-rotate-array
198-house-robber		198-house-robber
199-binary-tree-right-side-view		199-binary-tree-right-side-view
1993-sum-of-all-subset-xor-totals		1993-sum-of-all-subset-xor-totals
2-add-two-numbers		2-add-two-numbers
20-valid-parentheses		20-valid-parentheses
200-number-of-islands		200-number-of-islands
201-bitwise-and-of-numbers-range		201-bitwise-and-of-numbers-range
202-happy-number		202-happy-number
2058-concatenation-of-array		2058-concatenation-of-array
206-reverse-linked-list		206-reverse-linked-list
208-implement-trie-prefix-tree		208-implement-trie-prefix-tree
209-minimum-size-subarray-sum		209-minimum-size-subarray-sum
21-merge-two-sorted-lists		21-merge-two-sorted-lists
215-kth-largest-element-in-an-array		215-kth-largest-element-in-an-array
224-basic-calculator		224-basic-calculator
225-implement-stack-using-queues		225-implement-stack-using-queues
229-majority-element-ii		229-majority-element-ii
23-merge-k-sorted-lists		23-merge-k-sorted-lists
232-implement-queue-using-stacks		232-implement-queue-using-stacks
237-delete-node-in-a-linked-list		237-delete-node-in-a-linked-list
238-product-of-array-except-self		238-product-of-array-except-self
242-valid-anagram		242-valid-anagram
2487-optimal-partition-of-string		2487-optimal-partition-of-string
25-reverse-nodes-in-k-group		25-reverse-nodes-in-k-group
2552-maximum-sum-of-distinct-subarrays-with-length-k		2552-maximum-sum-of-distinct-subarrays-with-length-k
26-remove-duplicates-from-sorted-array		26-remove-duplicates-from-sorted-array
295-find-median-from-data-stream		295-find-median-from-data-stream
300-longest-increasing-subsequence		300-longest-increasing-subsequence
303-range-sum-query-immutable		303-range-sum-query-immutable
32-longest-valid-parentheses		32-longest-valid-parentheses
343-integer-break		343-integer-break
347-top-k-frequent-elements		347-top-k-frequent-elements
36-valid-sudoku		36-valid-sudoku
37-sudoku-solver		37-sudoku-solver
3708-zigzag-grid-traversal-with-skip		3708-zigzag-grid-traversal-with-skip
374-guess-number-higher-or-lower		374-guess-number-higher-or-lower
387-first-unique-character-in-a-string		387-first-unique-character-in-a-string
39-combination-sum		39-combination-sum
394-decode-string		394-decode-string
4-median-of-two-sorted-arrays		4-median-of-two-sorted-arrays
416-partition-equal-subset-sum		416-partition-equal-subset-sum
42-trapping-rain-water		42-trapping-rain-water
435-non-overlapping-intervals		435-non-overlapping-intervals
450-delete-node-in-a-bst		450-delete-node-in-a-bst
463-island-perimeter		463-island-perimeter
473-matchsticks-to-square		473-matchsticks-to-square
485-max-consecutive-ones		485-max-consecutive-ones
496-next-greater-element-i		496-next-greater-element-i
5-longest-palindromic-substring		5-longest-palindromic-substring
503-next-greater-element-ii		503-next-greater-element-ii
506-relative-ranks		506-relative-ranks
51-n-queens		51-n-queens
518-coin-change-ii		518-coin-change-ii
53-maximum-subarray		53-maximum-subarray
540-single-element-in-a-sorted-array		540-single-element-in-a-sorted-array
56-merge-intervals		56-merge-intervals
560-subarray-sum-equals-k		560-subarray-sum-equals-k
594-longest-harmonious-subsequence		594-longest-harmonious-subsequence
61-rotate-list		61-rotate-list
647-palindromic-substrings		647-palindromic-substrings
682-baseball-game		682-baseball-game
7-reverse-integer		7-reverse-integer
72-edit-distance		72-edit-distance
733-flood-fill		733-flood-fill
735-asteroid-collision		735-asteroid-collision
747-min-cost-climbing-stairs		747-min-cost-climbing-stairs

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