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519 Commits
0002-add-two-numbers
0002-add-two-numbers
 
 
0014-longest-common-prefix
0014-longest-common-prefix
 
 
0019-remove-nth-node-from-end-of-list
0019-remove-nth-node-from-end-of-list
 
 
0020-valid-parentheses
0020-valid-parentheses
 
 
0021-merge-two-sorted-lists
0021-merge-two-sorted-lists
 
 
0027-remove-element
0027-remove-element
 
 
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
 
 
0042-trapping-rain-water
0042-trapping-rain-water
 
 
0058-length-of-last-word
0058-length-of-last-word
 
 
0083-remove-duplicates-from-sorted-list
0083-remove-duplicates-from-sorted-list
 
 
0094-binary-tree-inorder-traversal
0094-binary-tree-inorder-traversal
 
 
0098-validate-binary-search-tree
0098-validate-binary-search-tree
 
 
0100-same-tree
0100-same-tree
 
 
0101-symmetric-tree
0101-symmetric-tree
 
 
0103-binary-tree-zigzag-level-order-traversal
0103-binary-tree-zigzag-level-order-traversal
 
 
0104-maximum-depth-of-binary-tree
0104-maximum-depth-of-binary-tree
 
 
0108-convert-sorted-array-to-binary-search-tree
0108-convert-sorted-array-to-binary-search-tree
 
 
0110-balanced-binary-tree
0110-balanced-binary-tree
 
 
0112-path-sum
0112-path-sum
 
 
0121-best-time-to-buy-and-sell-stock
0121-best-time-to-buy-and-sell-stock
 
 
0136-single-number
0136-single-number
 
 
0141-linked-list-cycle
0141-linked-list-cycle
 
 
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
 
 
0155-min-stack
0155-min-stack
 
 
0160-intersection-of-two-linked-lists
0160-intersection-of-two-linked-lists
 
 
0180-consecutive-numbers
0180-consecutive-numbers
 
 
0197-rising-temperature
0197-rising-temperature
 
 
0225-implement-stack-using-queues
0225-implement-stack-using-queues
 
 
0226-invert-binary-tree
0226-invert-binary-tree
 
 
0230-kth-smallest-element-in-a-bst
0230-kth-smallest-element-in-a-bst
 
 
0231-power-of-two
0231-power-of-two
 
 
0234-palindrome-linked-list
0234-palindrome-linked-list
 
 
0268-missing-number
0268-missing-number
 
 
0283-move-zeroes
0283-move-zeroes
 
 
0374-guess-number-higher-or-lower
0374-guess-number-higher-or-lower
 
 
0392-is-subsequence
0392-is-subsequence
 
 
0436-find-right-interval
0436-find-right-interval
 
 
0441-arranging-coins
0441-arranging-coins
 
 
0543-diameter-of-binary-tree
0543-diameter-of-binary-tree
 
 
0561-array-partition
0561-array-partition
 
 
0570-managers-with-at-least-5-direct-reports
0570-managers-with-at-least-5-direct-reports
 
 
0577-employee-bonus
0577-employee-bonus
 
 
0584-find-customer-referee
0584-find-customer-referee
 
 
0596-classes-more-than-5-students
0596-classes-more-than-5-students
 
 
0610-triangle-judgement
0610-triangle-judgement
 
 
0619-biggest-single-number
0619-biggest-single-number
 
 
0620-not-boring-movies
0620-not-boring-movies
 
 
0682-baseball-game
0682-baseball-game
 
 
0700-search-in-a-binary-search-tree
0700-search-in-a-binary-search-tree
 
 
0704-binary-search
0704-binary-search
 
 
0724-find-pivot-index
0724-find-pivot-index
 
 
0739-daily-temperatures
0739-daily-temperatures
 
 
0792-binary-search
0792-binary-search
 
 
0876-middle-of-the-linked-list
0876-middle-of-the-linked-list
 
 
0912-sort-an-array
0912-sort-an-array
 
 
0920-uncommon-words-from-two-sentences
0920-uncommon-words-from-two-sentences
 
 
0951-flip-equivalent-binary-trees
0951-flip-equivalent-binary-trees
 
 
0965-unique-email-addresses
0965-unique-email-addresses
 
 
0976-largest-perimeter-triangle
0976-largest-perimeter-triangle
 
 
1005-maximize-sum-of-array-after-k-negations
1005-maximize-sum-of-array-after-k-negations
 
 
1135-customers-who-bought-all-products
1135-customers-who-bought-all-products
 
 
1148-article-views-i
1148-article-views-i
 
 
1155-product-sales-analysis-iii
1155-product-sales-analysis-iii
 
 
1161-project-employees-i
1161-project-employees-i
 
 
1182-game-play-analysis-iv
1182-game-play-analysis-iv
 
 
1200-minimum-absolute-difference
1200-minimum-absolute-difference
 
 
1258-article-views-i
1258-article-views-i
 
 
1274-number-of-days-between-two-dates
1274-number-of-days-between-two-dates
 
 
1280-students-and-examinations
1280-students-and-examinations
 
 
1292-immediate-food-delivery-ii
1292-immediate-food-delivery-ii
 
 
1299-replace-elements-with-greatest-element-on-right-side
1299-replace-elements-with-greatest-element-on-right-side
 
 
1317-monthly-transactions-i
1317-monthly-transactions-i
 
 
1338-queries-quality-and-percentage
1338-queries-quality-and-percentage
 
 
1390-average-selling-price
1390-average-selling-price
 
 
1415-students-and-examinations
1415-students-and-examinations
 
 
1448-count-good-nodes-in-binary-tree
1448-count-good-nodes-in-binary-tree
 
 
1496-lucky-numbers-in-a-matrix
1496-lucky-numbers-in-a-matrix
 
 
1581-customer-who-visited-but-did-not-make-any-transactions
1581-customer-who-visited-but-did-not-make-any-transactions
 
 
1615-range-sum-of-sorted-subarray-sums
1615-range-sum-of-sorted-subarray-sums
 
 
1661-average-time-of-process-per-machine
1661-average-time-of-process-per-machine
 
 
1666-make-the-string-great
1666-make-the-string-great
 
 
1683-invalid-tweets
1683-invalid-tweets
 
 
1724-customer-who-visited-but-did-not-make-any-transactions
1724-customer-who-visited-but-did-not-make-any-transactions
 
 
1757-recyclable-and-low-fat-products
1757-recyclable-and-low-fat-products
 
 
1765-merge-in-between-linked-lists
1765-merge-in-between-linked-lists
 
 
1773-percentage-of-users-attended-a-contest
1773-percentage-of-users-attended-a-contest
 
 
1781-check-if-two-string-arrays-are-equivalent
1781-check-if-two-string-arrays-are-equivalent
 
 
1801-average-time-of-process-per-machine
1801-average-time-of-process-per-machine
 
 
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
 
 
1908-recyclable-and-low-fat-products
1908-recyclable-and-low-fat-products
 
 
1921-eliminate-maximum-number-of-monsters
1921-eliminate-maximum-number-of-monsters
 
 
1929-concatenation-of-array
1929-concatenation-of-array
 
 
1942-primary-department-for-each-employee
1942-primary-department-for-each-employee
 
 
197-rising-temperature
197-rising-temperature
 
 
2048-build-array-from-permutation
2048-build-array-from-permutation
 
 

Repository files navigation

LeetCode

LeetCode Topics

Array
0027-remove-element
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0042-trapping-rain-water
0121-best-time-to-buy-and-sell-stock
0136-single-number
0268-missing-number
0283-move-zeroes
0436-find-right-interval
0724-find-pivot-index
0739-daily-temperatures
0792-binary-search
0965-unique-email-addresses
1496-lucky-numbers-in-a-matrix
1615-range-sum-of-sorted-subarray-sums
1781-check-if-two-string-arrays-are-equivalent
2048-build-array-from-permutation
2102-find-the-middle-index-in-array
2502-sort-the-people
2727-number-of-senior-citizens
3476-find-minimum-operations-to-make-all-elements-divisible-by-three
3501-delete-nodes-from-linked-list-present-in-array

String
0014-longest-common-prefix
0020-valid-parentheses
0058-length-of-last-word
0920-uncommon-words-from-two-sentences
0965-unique-email-addresses
1274-number-of-days-between-two-dates
1666-make-the-string-great
1781-check-if-two-string-arrays-are-equivalent
2502-sort-the-people
2727-number-of-senior-citizens

Binary Search
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0268-missing-number
0374-guess-number-higher-or-lower
0436-find-right-interval
0441-arranging-coins
0792-binary-search
1615-range-sum-of-sorted-subarray-sums

Sorting
0268-missing-number
0436-find-right-interval
1615-range-sum-of-sorted-subarray-sums
2502-sort-the-people

Two Pointers
0019-remove-nth-node-from-end-of-list
0027-remove-element
0042-trapping-rain-water
0141-linked-list-cycle
0283-move-zeroes
1615-range-sum-of-sorted-subarray-sums
2236-maximum-twin-sum-of-a-linked-list

Math
0231-power-of-two
0268-missing-number
0441-arranging-coins
1274-number-of-days-between-two-dates
2556-convert-the-temperature
3476-find-minimum-operations-to-make-all-elements-divisible-by-three

Bit Manipulation
0136-single-number
0231-power-of-two
0268-missing-number

Recursion
0231-power-of-two
2573-remove-nodes-from-linked-list

Matrix
1496-lucky-numbers-in-a-matrix

Simulation
2048-build-array-from-permutation

Database
0180-consecutive-numbers
0197-rising-temperature
0570-managers-with-at-least-5-direct-reports
0577-employee-bonus
0584-find-customer-referee
0596-classes-more-than-5-students
0610-triangle-judgement
0619-biggest-single-number
0620-not-boring-movies
1135-customers-who-bought-all-products
1155-product-sales-analysis-iii
1161-project-employees-i
1182-game-play-analysis-iv
1258-article-views-i
1292-immediate-food-delivery-ii
1317-monthly-transactions-i
1338-queries-quality-and-percentage
1390-average-selling-price
1415-students-and-examinations
1724-customer-who-visited-but-did-not-make-any-transactions
1773-percentage-of-users-attended-a-contest
1801-average-time-of-process-per-machine
1827-invalid-tweets
1877-find-followers-count
1882-the-number-of-employees-which-report-to-each-employee
1908-recyclable-and-low-fat-products
1942-primary-department-for-each-employee
2057-count-salary-categories
2087-confirmation-rate
2495-number-of-unique-subjects-taught-by-each-teacher

Hash Table
0141-linked-list-cycle
0268-missing-number
0920-uncommon-words-from-two-sentences
0965-unique-email-addresses
2502-sort-the-people
3501-delete-nodes-from-linked-list-present-in-array

Linked List
0019-remove-nth-node-from-end-of-list
0141-linked-list-cycle
1765-merge-in-between-linked-lists
2236-maximum-twin-sum-of-a-linked-list
2573-remove-nodes-from-linked-list
3501-delete-nodes-from-linked-list-present-in-array

Stack
0020-valid-parentheses
0042-trapping-rain-water
0739-daily-temperatures
1666-make-the-string-great
2236-maximum-twin-sum-of-a-linked-list
2573-remove-nodes-from-linked-list

Monotonic Stack
0042-trapping-rain-water
0739-daily-temperatures
2573-remove-nodes-from-linked-list

Interactive
0374-guess-number-higher-or-lower

Counting
0920-uncommon-words-from-two-sentences

Dynamic Programming
0042-trapping-rain-water
0121-best-time-to-buy-and-sell-stock

Prefix Sum
0724-find-pivot-index
2102-find-the-middle-index-in-array

Trie
0014-longest-common-prefix

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enhance my problem solving skill

leetcode.com/u/hadeer_18/

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database algorithms cpp problem-solving ds

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