algorithm

study evidence

LeetCode Topics

Array


1700-minimum-time-to-make-rope-colorful
1877-minimize-maximum-pair-sum-in-array
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
1877-minimize-maximum-pair-sum-in-array

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

Two Pointers


1877-minimize-maximum-pair-sum-in-array

Sorting


1877-minimize-maximum-pair-sum-in-array

Name		Name	Last commit message	Last commit date
Latest commit History 381 Commits
.claude/skills		.claude/skills
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
1877-minimize-maximum-pair-sum-in-array		1877-minimize-maximum-pair-sum-in-array
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

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algorithm

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algorithm

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