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 636 Commits
1-two-sum		1-two-sum
100-same-tree		100-same-tree
101-symmetric-tree		101-symmetric-tree
102-binary-tree-level-order-traversal		102-binary-tree-level-order-traversal
103-binary-tree-zigzag-level-order-traversal		103-binary-tree-zigzag-level-order-traversal
1036-rotting-oranges		1036-rotting-oranges
104-maximum-depth-of-binary-tree		104-maximum-depth-of-binary-tree
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
114-flatten-binary-tree-to-linked-list		114-flatten-binary-tree-to-linked-list
1153-product-sales-analysis-i		1153-product-sales-analysis-i
1161-project-employees-i		1161-project-employees-i
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
1245-user-activity-for-the-past-30-days-i		1245-user-activity-for-the-past-30-days-i
125-valid-palindrome		125-valid-palindrome
1258-article-views-i		1258-article-views-i
1263-number-of-dice-rolls-with-target-sum		1263-number-of-dice-rolls-with-target-sum
128-longest-consecutive-sequence		128-longest-consecutive-sequence
129-sum-root-to-leaf-numbers		129-sum-root-to-leaf-numbers
130-surrounded-regions		130-surrounded-regions
1302-delete-characters-to-make-fancy-string		1302-delete-characters-to-make-fancy-string
1338-queries-quality-and-percentage		1338-queries-quality-and-percentage
1352-maximum-profit-in-job-scheduling		1352-maximum-profit-in-job-scheduling
138-copy-list-with-random-pointer		138-copy-list-with-random-pointer
1415-students-and-examinations		1415-students-and-examinations
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
1462-list-the-products-ordered-in-a-period		1462-list-the-products-ordered-in-a-period
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
1509-replace-employee-id-with-the-unique-identifier		1509-replace-employee-id-with-the-unique-identifier
151-reverse-words-in-a-string		151-reverse-words-in-a-string
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
1670-patients-with-a-condition		1670-patients-with-a-condition
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
176-second-highest-salary		176-second-highest-salary
1801-average-time-of-process-per-machine		1801-average-time-of-process-per-machine
1811-fix-names-in-a-table		1811-fix-names-in-a-table
1813-maximum-erasure-value		1813-maximum-erasure-value
1818-maximum-score-from-removing-substrings		1818-maximum-score-from-removing-substrings
1827-invalid-tweets		1827-invalid-tweets
1877-find-followers-count		1877-find-followers-count
1882-the-number-of-employees-which-report-to-each-employee		1882-the-number-of-employees-which-report-to-each-employee
1884-minimum-changes-to-make-alternating-binary-string		1884-minimum-changes-to-make-alternating-binary-string
189-rotate-array		189-rotate-array
1894-merge-strings-alternately		1894-merge-strings-alternately
1908-recyclable-and-low-fat-products		1908-recyclable-and-low-fat-products
1942-primary-department-for-each-employee		1942-primary-department-for-each-employee
196-delete-duplicate-emails		196-delete-duplicate-emails
1966-frequency-of-the-most-frequent-element		1966-frequency-of-the-most-frequent-element
197-rising-temperature		197-rising-temperature
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
205-isomorphic-strings		205-isomorphic-strings
208-implement-trie-prefix-tree		208-implement-trie-prefix-tree
2087-confirmation-rate		2087-confirmation-rate
209-minimum-size-subarray-sum		209-minimum-size-subarray-sum
211-design-add-and-search-words-data-structure		211-design-add-and-search-words-data-structure
2127-employees-whose-manager-left-the-company		2127-employees-whose-manager-left-the-company
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
226-invert-binary-tree		226-invert-binary-tree
229-majority-element-ii		229-majority-element-ii
230-kth-smallest-element-in-a-bst		230-kth-smallest-element-in-a-bst
2316-count-hills-and-valleys-in-an-array		2316-count-hills-and-valleys-in-an-array
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
2495-number-of-unique-subjects-taught-by-each-teacher		2495-number-of-unique-subjects-taught-by-each-teacher
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
2732-counter		2732-counter
2756-buy-two-chocolates		2756-buy-two-chocolates
2809-create-hello-world-function		2809-create-hello-world-function

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