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We are building a dataset of all Data-Structure and algorithm questions to be accessed later via APIs for our webapp backend.

Please help us contribute.

This dataset would be free to use for all.

Name		Name	Last commit message	Last commit date
Latest commit History 1,987 Commits
0 - 1 Knapsack Problem - GFG		0 - 1 Knapsack Problem - GFG
0003-longest-substring-without-repeating-characters		0003-longest-substring-without-repeating-characters
0006-zigzag-conversion		0006-zigzag-conversion
0009-palindrome-number		0009-palindrome-number
0012-integer-to-roman		0012-integer-to-roman
0014-longest-common-prefix		0014-longest-common-prefix
0020-valid-parentheses		0020-valid-parentheses
0023-merge-k-sorted-lists		0023-merge-k-sorted-lists
0026-remove-duplicates-from-sorted-array		0026-remove-duplicates-from-sorted-array
0028-find-the-index-of-the-first-occurrence-in-a-string		0028-find-the-index-of-the-first-occurrence-in-a-string
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
0036-valid-sudoku		0036-valid-sudoku
0038-count-and-say		0038-count-and-say
0045-jump-game-ii		0045-jump-game-ii
0046-permutations		0046-permutations
0049-group-anagrams		0049-group-anagrams
0051-n-queens		0051-n-queens
0056-merge-intervals		0056-merge-intervals
0057-insert-interval		0057-insert-interval
0059-spiral-matrix-ii		0059-spiral-matrix-ii
0062-unique-paths		0062-unique-paths
0063-unique-paths-ii		0063-unique-paths-ii
0064-minimum-path-sum		0064-minimum-path-sum
0067-add-binary		0067-add-binary
0070-climbing-stairs		0070-climbing-stairs
0071-simplify-path		0071-simplify-path
0072-edit-distance		0072-edit-distance
0076-minimum-window-substring		0076-minimum-window-substring
0079-word-search		0079-word-search
0085-maximal-rectangle		0085-maximal-rectangle
0087-scramble-string		0087-scramble-string
0093-restore-ip-addresses		0093-restore-ip-addresses
0094-binary-tree-inorder-traversal		0094-binary-tree-inorder-traversal
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
0106-construct-binary-tree-from-inorder-and-postorder-traversal		0106-construct-binary-tree-from-inorder-and-postorder-traversal
0109-convert-sorted-list-to-binary-search-tree		0109-convert-sorted-list-to-binary-search-tree
0114-flatten-binary-tree-to-linked-list		0114-flatten-binary-tree-to-linked-list
0118-pascals-triangle		0118-pascals-triangle
0120-triangle		0120-triangle
0121-best-time-to-buy-and-sell-stock		0121-best-time-to-buy-and-sell-stock
0124-binary-tree-maximum-path-sum		0124-binary-tree-maximum-path-sum
0129-sum-root-to-leaf-numbers		0129-sum-root-to-leaf-numbers
0131-palindrome-partitioning		0131-palindrome-partitioning
0133-clone-graph		0133-clone-graph
0134-gas-station		0134-gas-station
0136-single-number		0136-single-number
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
0150-evaluate-reverse-polish-notation		0150-evaluate-reverse-polish-notation
0151-reverse-words-in-a-string		0151-reverse-words-in-a-string
0183-customers-who-never-order		0183-customers-who-never-order
0198-house-robber		0198-house-robber
0200-number-of-islands		0200-number-of-islands
0204-count-primes		0204-count-primes
0205-isomorphic-strings		0205-isomorphic-strings
0207-course-schedule		0207-course-schedule
0208-implement-trie-prefix-tree		0208-implement-trie-prefix-tree
0210-course-schedule-ii		0210-course-schedule-ii
0211-design-add-and-search-words-data-structure		0211-design-add-and-search-words-data-structure
0212-word-search-ii		0212-word-search-ii
0215-kth-largest-element-in-an-array		0215-kth-largest-element-in-an-array
0216-combination-sum-iii		0216-combination-sum-iii
0219-contains-duplicate-ii		0219-contains-duplicate-ii
0222-count-complete-tree-nodes		0222-count-complete-tree-nodes
0223-rectangle-area		0223-rectangle-area
0224-basic-calculator		0224-basic-calculator
0226-invert-binary-tree		0226-invert-binary-tree
0229-majority-element-ii		0229-majority-element-ii
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
0237-delete-node-in-a-linked-list		0237-delete-node-in-a-linked-list
0239-sliding-window-maximum		0239-sliding-window-maximum
0242-valid-anagram		0242-valid-anagram
0258-add-digits		0258-add-digits
0263-ugly-number		0263-ugly-number
0279-perfect-squares		0279-perfect-squares
0290-word-pattern		0290-word-pattern
0295-find-median-from-data-stream		0295-find-median-from-data-stream
0299-bulls-and-cows		0299-bulls-and-cows
0300-longest-increasing-subsequence		0300-longest-increasing-subsequence
0309-best-time-to-buy-and-sell-stock-with-cooldown		0309-best-time-to-buy-and-sell-stock-with-cooldown
0319-bulb-switcher		0319-bulb-switcher
0322-coin-change		0322-coin-change
0328-odd-even-linked-list		0328-odd-even-linked-list
0334-increasing-triplet-subsequence		0334-increasing-triplet-subsequence
0337-house-robber-iii		0337-house-robber-iii
0345-reverse-vowels-of-a-string		0345-reverse-vowels-of-a-string
0352-data-stream-as-disjoint-intervals		0352-data-stream-as-disjoint-intervals
0367-valid-perfect-square		0367-valid-perfect-square
0374-guess-number-higher-or-lower		0374-guess-number-higher-or-lower
0380-insert-delete-getrandom-o1		0380-insert-delete-getrandom-o1
0382-linked-list-random-node		0382-linked-list-random-node
0396-rotate-function		0396-rotate-function
0416-partition-equal-subset-sum		0416-partition-equal-subset-sum
0427-construct-quad-tree		0427-construct-quad-tree

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