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0119-pascals-triangle-ii
0560-subarray-sum-equals-k
0861-flipping-an-image
0907-koko-eating-bananas

Binary Search


0907-koko-eating-bananas

Hash Table


0560-subarray-sum-equals-k

Prefix Sum


0560-subarray-sum-equals-k

Two Pointers


0861-flipping-an-image
0874-backspace-string-compare

Bit Manipulation


0338-counting-bits
0861-flipping-an-image

Matrix


0861-flipping-an-image

Simulation


0861-flipping-an-image
0874-backspace-string-compare

String


0874-backspace-string-compare

Stack


0874-backspace-string-compare

Dynamic Programming


0119-pascals-triangle-ii
0338-counting-bits

Name		Name	Last commit message	Last commit date
Latest commit History 568 Commits
0001-two-sum		0001-two-sum
0002-add-two-numbers		0002-add-two-numbers
0006-zigzag-conversion		0006-zigzag-conversion
0008-string-to-integer-atoi		0008-string-to-integer-atoi
0009-palindrome-number		0009-palindrome-number
0011-container-with-most-water		0011-container-with-most-water
0013-roman-to-integer		0013-roman-to-integer
0014-longest-common-prefix		0014-longest-common-prefix
0017-letter-combinations-of-a-phone-number		0017-letter-combinations-of-a-phone-number
0020-valid-parentheses		0020-valid-parentheses
0022-generate-parentheses		0022-generate-parentheses
0026-remove-duplicates-from-sorted-array		0026-remove-duplicates-from-sorted-array
0039-combination-sum		0039-combination-sum
0049-group-anagrams		0049-group-anagrams
0051-n-queens		0051-n-queens
0054-spiral-matrix		0054-spiral-matrix
0056-merge-intervals		0056-merge-intervals
0057-insert-interval		0057-insert-interval
0070-climbing-stairs		0070-climbing-stairs
0071-simplify-path		0071-simplify-path
0088-merge-sorted-array		0088-merge-sorted-array
0106-construct-binary-tree-from-inorder-and-postorder-traversal		0106-construct-binary-tree-from-inorder-and-postorder-traversal
0117-populating-next-right-pointers-in-each-node-ii		0117-populating-next-right-pointers-in-each-node-ii
0118-pascals-triangle		0118-pascals-triangle
0119-pascals-triangle-ii		0119-pascals-triangle-ii
0120-triangle		0120-triangle
0121-best-time-to-buy-and-sell-stock		0121-best-time-to-buy-and-sell-stock
0128-longest-consecutive-sequence		0128-longest-consecutive-sequence
0130-surrounded-regions		0130-surrounded-regions
0134-gas-station		0134-gas-station
0146-lru-cache		0146-lru-cache
0150-evaluate-reverse-polish-notation		0150-evaluate-reverse-polish-notation
0155-min-stack		0155-min-stack
0169-majority-element		0169-majority-element
0189-rotate-array		0189-rotate-array
0191-number-of-1-bits		0191-number-of-1-bits
0200-number-of-islands		0200-number-of-islands
0202-happy-number		0202-happy-number
0215-kth-largest-element-in-an-array		0215-kth-largest-element-in-an-array
0227-basic-calculator-ii		0227-basic-calculator-ii
0234-palindrome-linked-list		0234-palindrome-linked-list
0242-valid-anagram		0242-valid-anagram
0261-graph-valid-tree		0261-graph-valid-tree
0273-integer-to-english-words		0273-integer-to-english-words
0279-perfect-squares		0279-perfect-squares
0286-walls-and-gates		0286-walls-and-gates
0287-find-the-duplicate-number		0287-find-the-duplicate-number
0309-best-time-to-buy-and-sell-stock-with-cooldown		0309-best-time-to-buy-and-sell-stock-with-cooldown
0314-binary-tree-vertical-order-traversal		0314-binary-tree-vertical-order-traversal
0338-counting-bits		0338-counting-bits
0346-moving-average-from-data-stream		0346-moving-average-from-data-stream
0350-intersection-of-two-arrays-ii		0350-intersection-of-two-arrays-ii
0359-logger-rate-limiter		0359-logger-rate-limiter
0380-insert-delete-getrandom-o1		0380-insert-delete-getrandom-o1
0383-ransom-note		0383-ransom-note
0389-find-the-difference		0389-find-the-difference
0392-is-subsequence		0392-is-subsequence
0400-nth-digit		0400-nth-digit
0409-longest-palindrome		0409-longest-palindrome
0412-fizz-buzz		0412-fizz-buzz
0414-third-maximum-number		0414-third-maximum-number
0417-pacific-atlantic-water-flow		0417-pacific-atlantic-water-flow
0433-minimum-genetic-mutation		0433-minimum-genetic-mutation
0475-heaters		0475-heaters
0560-subarray-sum-equals-k		0560-subarray-sum-equals-k
0700-search-in-a-binary-search-tree		0700-search-in-a-binary-search-tree
0704-binary-search		0704-binary-search
0705-design-hashset		0705-design-hashset
0735-asteroid-collision		0735-asteroid-collision
0819-most-common-word		0819-most-common-word
0856-score-of-parentheses		0856-score-of-parentheses
0861-flipping-an-image		0861-flipping-an-image
0872-leaf-similar-trees		0872-leaf-similar-trees
0874-backspace-string-compare		0874-backspace-string-compare
0876-middle-of-the-linked-list		0876-middle-of-the-linked-list
0881-boats-to-save-people		0881-boats-to-save-people
0907-koko-eating-bananas		0907-koko-eating-bananas
0912-sort-an-array		0912-sort-an-array
0939-minimum-area-rectangle		0939-minimum-area-rectangle
0946-validate-stack-sequences		0946-validate-stack-sequences
1010-pairs-of-songs-with-total-durations-divisible-by-60		1010-pairs-of-songs-with-total-durations-divisible-by-60
1046-last-stone-weight		1046-last-stone-weight
1066-campus-bikes-ii		1066-campus-bikes-ii
1099-two-sum-less-than-k		1099-two-sum-less-than-k
1108-defanging-an-ip-address		1108-defanging-an-ip-address
1110-delete-nodes-and-return-forest		1110-delete-nodes-and-return-forest
1169-invalid-transactions		1169-invalid-transactions
1200-minimum-absolute-difference		1200-minimum-absolute-difference
1235-maximum-profit-in-job-scheduling		1235-maximum-profit-in-job-scheduling
1249-minimum-remove-to-make-valid-parentheses		1249-minimum-remove-to-make-valid-parentheses
1337-the-k-weakest-rows-in-a-matrix		1337-the-k-weakest-rows-in-a-matrix
1342-number-of-steps-to-reduce-a-number-to-zero		1342-number-of-steps-to-reduce-a-number-to-zero
1360-number-of-days-between-two-dates		1360-number-of-days-between-two-dates
1464-maximum-product-of-two-elements-in-an-array		1464-maximum-product-of-two-elements-in-an-array
1496-path-crossing		1496-path-crossing
1507-reformat-date		1507-reformat-date
1559-detect-cycles-in-2d-grid		1559-detect-cycles-in-2d-grid
1570-dot-product-of-two-sparse-vectors		1570-dot-product-of-two-sparse-vectors
1588-sum-of-all-odd-length-subarrays		1588-sum-of-all-odd-length-subarrays
1592-rearrange-spaces-between-words		1592-rearrange-spaces-between-words

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