LeetCode-Solutions

Collection of LeetCode questions to ace the coding interview!

In this repository, you can find various coding problems and their solutions in Java, which will be helpful to ace coding interviews. I am constantly adding new problems to this repository, so be sure to check back often! For more, you can find my LeetCode profile in my bio.

Name		Name	Last commit message	Last commit date
Latest commit History 480 Commits
1-two-sum		1-two-sum
101-symmetric-tree		101-symmetric-tree
1036-rotting-oranges		1036-rotting-oranges
108-convert-sorted-array-to-binary-search-tree		108-convert-sorted-array-to-binary-search-tree
11-container-with-most-water		11-container-with-most-water
110-balanced-binary-tree		110-balanced-binary-tree
112-path-sum		112-path-sum
121-best-time-to-buy-and-sell-stock		121-best-time-to-buy-and-sell-stock
125-valid-palindrome		125-valid-palindrome
1263-number-of-dice-rolls-with-target-sum		1263-number-of-dice-rolls-with-target-sum
128-longest-consecutive-sequence		128-longest-consecutive-sequence
130-surrounded-regions		130-surrounded-regions
1352-maximum-profit-in-job-scheduling		1352-maximum-profit-in-job-scheduling
138-copy-list-with-random-pointer		138-copy-list-with-random-pointer
1435-xor-queries-of-a-subarray		1435-xor-queries-of-a-subarray
1445-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold		1445-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold
147-insertion-sort-list		147-insertion-sort-list
1473-find-the-longest-substring-containing-vowels-in-even-counts		1473-find-the-longest-substring-containing-vowels-in-even-counts
148-sort-list		148-sort-list
15-3sum		15-3sum
152-maximum-product-subarray		152-maximum-product-subarray
1535-build-array-where-you-can-find-the-maximum-exactly-k-comparisons		1535-build-array-where-you-can-find-the-maximum-exactly-k-comparisons
1537-maximum-score-after-splitting-a-string		1537-maximum-score-after-splitting-a-string
1538-maximum-points-you-can-obtain-from-cards		1538-maximum-points-you-can-obtain-from-cards
1544-count-good-nodes-in-binary-tree		1544-count-good-nodes-in-binary-tree
155-min-stack		155-min-stack
1567-maximum-number-of-vowels-in-a-substring-of-given-length		1567-maximum-number-of-vowels-in-a-substring-of-given-length
1569-max-dot-product-of-two-subsequences		1569-max-dot-product-of-two-subsequences
160-intersection-of-two-linked-lists		160-intersection-of-two-linked-lists
1619-path-crossing		1619-path-crossing
1635-number-of-good-pairs		1635-number-of-good-pairs
167-two-sum-ii-input-array-is-sorted		167-two-sum-ii-input-array-is-sorted
1700-minimum-time-to-make-rope-colorful		1700-minimum-time-to-make-rope-colorful
1742-widest-vertical-area-between-two-points-containing-no-points		1742-widest-vertical-area-between-two-points-containing-no-points
1746-largest-substring-between-two-equal-characters		1746-largest-substring-between-two-equal-characters
1884-minimum-changes-to-make-alternating-binary-string		1884-minimum-changes-to-make-alternating-binary-string
1966-frequency-of-the-most-frequent-element		1966-frequency-of-the-most-frequent-element
198-house-robber		198-house-robber
200-number-of-islands		200-number-of-islands
2025-redistribute-characters-to-make-all-strings-equal		2025-redistribute-characters-to-make-all-strings-equal
203-remove-linked-list-elements		203-remove-linked-list-elements
2042-maximum-product-difference-between-two-pairs		2042-maximum-product-difference-between-two-pairs
208-implement-trie-prefix-tree		208-implement-trie-prefix-tree
211-design-add-and-search-words-data-structure		211-design-add-and-search-words-data-structure
213-house-robber-ii		213-house-robber-ii
2149-remove-colored-pieces-if-both-neighbors-are-the-same-color		2149-remove-colored-pieces-if-both-neighbors-are-the-same-color
217-contains-duplicate		217-contains-duplicate
219-contains-duplicate-ii		219-contains-duplicate-ii
2236-maximum-twin-sum-of-a-linked-list		2236-maximum-twin-sum-of-a-linked-list
2244-number-of-laser-beams-in-a-bank		2244-number-of-laser-beams-in-a-bank
229-majority-element-ii		229-majority-element-ii
238-product-of-array-except-self		238-product-of-array-except-self
24-swap-nodes-in-pairs		24-swap-nodes-in-pairs
242-valid-anagram		242-valid-anagram
2470-removing-stars-from-a-string		2470-removing-stars-from-a-string
2503-longest-subarray-with-maximum-bitwise-and		2503-longest-subarray-with-maximum-bitwise-and
2724-convert-an-array-into-a-2d-array-with-conditions		2724-convert-an-array-into-a-2d-array-with-conditions
2756-buy-two-chocolates		2756-buy-two-chocolates
300-longest-increasing-subsequence		300-longest-increasing-subsequence
3094-minimum-number-of-operations-to-make-array-empty		3094-minimum-number-of-operations-to-make-array-empty
3229-minimum-cost-to-make-array-equalindromic		3229-minimum-cost-to-make-array-equalindromic
3241-divide-array-into-arrays-with-max-difference		3241-divide-array-into-arrays-with-max-difference
342-power-of-four		342-power-of-four
343-integer-break		343-integer-break
347-top-k-frequent-elements		347-top-k-frequent-elements
39-combination-sum		39-combination-sum
394-decode-string		394-decode-string
397-integer-replacement		397-integer-replacement
398-random-pick-index		398-random-pick-index
40-combination-sum-ii		40-combination-sum-ii
416-partition-equal-subset-sum		416-partition-equal-subset-sum
42-trapping-rain-water		42-trapping-rain-water
443-string-compression		443-string-compression
455-assign-cookies		455-assign-cookies
46-permutations		46-permutations
462-minimum-moves-to-equal-array-elements-ii		462-minimum-moves-to-equal-array-elements-ii
463-island-perimeter		463-island-perimeter
49-group-anagrams		49-group-anagrams
5-longest-palindromic-substring		5-longest-palindromic-substring
528-swapping-nodes-in-a-linked-list		528-swapping-nodes-in-a-linked-list
535-encode-and-decode-tinyurl		535-encode-and-decode-tinyurl
547-number-of-provinces		547-number-of-provinces
554-brick-wall		554-brick-wall
557-reverse-words-in-a-string-iii		557-reverse-words-in-a-string-iii
658-find-k-closest-elements		658-find-k-closest-elements
661-image-smoother		661-image-smoother
69-sqrtx		69-sqrtx
695-max-area-of-island		695-max-area-of-island
70-climbing-stairs		70-climbing-stairs
71-simplify-path		71-simplify-path
735-asteroid-collision		735-asteroid-collision
747-min-cost-climbing-stairs		747-min-cost-climbing-stairs
75-sort-colors		75-sort-colors
78-subsets		78-subsets
817-design-hashmap		817-design-hashmap
83-remove-duplicates-from-sorted-list		83-remove-duplicates-from-sorted-list
838-design-linked-list		838-design-linked-list
874-backspace-string-compare		874-backspace-string-compare
90-subsets-ii		90-subsets-ii
908-middle-of-the-linked-list		908-middle-of-the-linked-list

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