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373 Commits
0001-two-sum
0001-two-sum
 
 
0002-add-two-numbers
0002-add-two-numbers
 
 
0017-letter-combinations-of-a-phone-number
0017-letter-combinations-of-a-phone-number
 
 
0020-valid-parentheses
0020-valid-parentheses
 
 
0021-merge-two-sorted-lists
0021-merge-two-sorted-lists
 
 
0046-permutations
0046-permutations
 
 
0057-insert-interval
0057-insert-interval
 
 
0063-unique-paths-ii
0063-unique-paths-ii
 
 
0067-add-binary
0067-add-binary
 
 
0074-search-a-2d-matrix
0074-search-a-2d-matrix
 
 
0077-combinations
0077-combinations
 
 
0080-remove-duplicates-from-sorted-array-ii
0080-remove-duplicates-from-sorted-array-ii
 
 
0100-same-tree
0100-same-tree
 
 
0104-maximum-depth-of-binary-tree
0104-maximum-depth-of-binary-tree
 
 
0110-balanced-binary-tree
0110-balanced-binary-tree
 
 
0121-best-time-to-buy-and-sell-stock
0121-best-time-to-buy-and-sell-stock
 
 
0125-valid-palindrome
0125-valid-palindrome
 
 
0134-gas-station
0134-gas-station
 
 
0141-linked-list-cycle
0141-linked-list-cycle
 
 
0142-linked-list-cycle-ii
0142-linked-list-cycle-ii
 
 
0144-binary-tree-preorder-traversal
0144-binary-tree-preorder-traversal
 
 
0149-max-points-on-a-line
0149-max-points-on-a-line
 
 
0167-two-sum-ii-input-array-is-sorted
0167-two-sum-ii-input-array-is-sorted
 
 
0175-combine-two-tables
0175-combine-two-tables
 
 
0176-second-highest-salary
0176-second-highest-salary
 
 
0182-duplicate-emails
0182-duplicate-emails
 
 
0183-customers-who-never-order
0183-customers-who-never-order
 
 
0189-rotate-array
0189-rotate-array
 
 
0196-delete-duplicate-emails
0196-delete-duplicate-emails
 
 
0197-rising-temperature
0197-rising-temperature
 
 
0226-invert-binary-tree
0226-invert-binary-tree
 
 
0232-implement-queue-using-stacks
0232-implement-queue-using-stacks
 
 
0235-lowest-common-ancestor-of-a-binary-search-tree
0235-lowest-common-ancestor-of-a-binary-search-tree
 
 
0242-valid-anagram
0242-valid-anagram
 
 
0278-first-bad-version
0278-first-bad-version
 
 
0290-word-pattern
0290-word-pattern
 
 
0382-linked-list-random-node
0382-linked-list-random-node
 
 
0383-ransom-note
0383-ransom-note
 
 
0409-longest-palindrome
0409-longest-palindrome
 
 
0443-string-compression
0443-string-compression
 
 
0509-fibonacci-number
0509-fibonacci-number
 
 
0511-game-play-analysis-i
0511-game-play-analysis-i
 
 
0518-coin-change-ii
0518-coin-change-ii
 
 
0520-detect-capital
0520-detect-capital
 
 
0584-find-customer-referee
0584-find-customer-referee
 
 
0586-customer-placing-the-largest-number-of-orders
0586-customer-placing-the-largest-number-of-orders
 
 
0595-big-countries
0595-big-countries
 
 
0607-sales-person
0607-sales-person
 
 
0608-tree-node
0608-tree-node
 
 
0627-swap-salary
0627-swap-salary
 
 
0704-binary-search
0704-binary-search
 
 
0712-minimum-ascii-delete-sum-for-two-strings
0712-minimum-ascii-delete-sum-for-two-strings
 
 
0724-find-pivot-index
0724-find-pivot-index
 
 
0733-flood-fill
0733-flood-fill
 
 
0875-koko-eating-bananas
0875-koko-eating-bananas
 
 
0904-fruit-into-baskets
0904-fruit-into-baskets
 
 
0912-sort-an-array
0912-sort-an-array
 
 
0926-flip-string-to-monotone-increasing
0926-flip-string-to-monotone-increasing
 
 
0944-delete-columns-to-make-sorted
0944-delete-columns-to-make-sorted
 
 
0989-add-to-array-form-of-integer
0989-add-to-array-form-of-integer
 
 
1050-actors-and-directors-who-cooperated-at-least-three-times
1050-actors-and-directors-who-cooperated-at-least-three-times
 
 
1061-lexicographically-smallest-equivalent-string
1061-lexicographically-smallest-equivalent-string
 
 
1084-sales-analysis-iii
1084-sales-analysis-iii
 
 
1141-user-activity-for-the-past-30-days-i
1141-user-activity-for-the-past-30-days-i
 
 
1148-article-views-i
1148-article-views-i
 
 
1158-market-analysis-i
1158-market-analysis-i
 
 
1381-design-a-stack-with-increment-operation
1381-design-a-stack-with-increment-operation
 
 
1393-capital-gain-loss
1393-capital-gain-loss
 
 
1407-top-travellers
1407-top-travellers
 
 
1443-minimum-time-to-collect-all-apples-in-a-tree
1443-minimum-time-to-collect-all-apples-in-a-tree
 
 
1480-running-sum-of-1d-array
1480-running-sum-of-1d-array
 
 
1484-group-sold-products-by-the-date
1484-group-sold-products-by-the-date
 
 
1519-number-of-nodes-in-the-sub-tree-with-the-same-label
1519-number-of-nodes-in-the-sub-tree-with-the-same-label
 
 
1523-count-odd-numbers-in-an-interval-range
1523-count-odd-numbers-in-an-interval-range
 
 
1527-patients-with-a-condition
1527-patients-with-a-condition
 
 
1539-kth-missing-positive-number
1539-kth-missing-positive-number
 
 
1581-customer-who-visited-but-did-not-make-any-transactions
1581-customer-who-visited-but-did-not-make-any-transactions
 
 
1587-bank-account-summary-ii
1587-bank-account-summary-ii
 
 
1667-fix-names-in-a-table
1667-fix-names-in-a-table
 
 
1693-daily-leads-and-partners
1693-daily-leads-and-partners
 
 
1700-minimum-time-to-make-rope-colorful
1700-minimum-time-to-make-rope-colorful
 
 
1729-find-followers-count
1729-find-followers-count
 
 
1741-find-total-time-spent-by-each-employee
1741-find-total-time-spent-by-each-employee
 
 
1757-recyclable-and-low-fat-products
1757-recyclable-and-low-fat-products
 
 
1795-rearrange-products-table
1795-rearrange-products-table
 
 
1833-maximum-ice-cream-bars
1833-maximum-ice-cream-bars
 
 
1873-calculate-special-bonus
1873-calculate-special-bonus
 
 
1890-the-latest-login-in-2020
1890-the-latest-login-in-2020
 
 
1965-employees-with-missing-information
1965-employees-with-missing-information
 
 
2187-minimum-time-to-complete-trips
2187-minimum-time-to-complete-trips
 
 
2246-longest-path-with-different-adjacent-characters
2246-longest-path-with-different-adjacent-characters
 
 
2343-count-unguarded-cells-in-the-grid
2343-count-unguarded-cells-in-the-grid
 
 
2444-count-subarrays-with-fixed-bounds
2444-count-subarrays-with-fixed-bounds
 
 
2620-counter
2620-counter
 
 
2665-counter-ii
2665-counter-ii
 
 
2667-create-hello-world-function
2667-create-hello-world-function
 
 
2704-to-be-or-not-to-be
2704-to-be-or-not-to-be
 
 
3501-delete-nodes-from-linked-list-present-in-array
3501-delete-nodes-from-linked-list-present-in-array
 
 
3610-find-x-sum-of-all-k-long-subarrays-i
3610-find-x-sum-of-all-k-long-subarrays-i
 
 
algorithm
algorithm
 
 

Repository files navigation

algorithm

study evidence

LeetCode Topics

Array
1700-minimum-time-to-make-rope-colorful
2343-count-unguarded-cells-in-the-grid
3501-delete-nodes-from-linked-list-present-in-array
3610-find-x-sum-of-all-k-long-subarrays-i

Hash Table
0383-ransom-note
3501-delete-nodes-from-linked-list-present-in-array
3610-find-x-sum-of-all-k-long-subarrays-i

Linked List
3501-delete-nodes-from-linked-list-present-in-array

Matrix
2343-count-unguarded-cells-in-the-grid

Simulation
2343-count-unguarded-cells-in-the-grid

String
0383-ransom-note
1700-minimum-time-to-make-rope-colorful

Dynamic Programming
1700-minimum-time-to-make-rope-colorful

Greedy
1700-minimum-time-to-make-rope-colorful

Sliding Window
3610-find-x-sum-of-all-k-long-subarrays-i

Heap (Priority Queue)
3610-find-x-sum-of-all-k-long-subarrays-i

Counting
0383-ransom-note

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