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1-two-sum
1-two-sum
 
 
101-symmetric-tree
101-symmetric-tree
 
 
102-binary-tree-level-order-traversal
102-binary-tree-level-order-traversal
 
 
104-maximum-depth-of-binary-tree
104-maximum-depth-of-binary-tree
 
 
112-path-sum
112-path-sum
 
 
1137-n-th-tribonacci-number
1137-n-th-tribonacci-number
 
 
116-populating-next-right-pointers-in-each-node
116-populating-next-right-pointers-in-each-node
 
 
118-pascals-triangle
118-pascals-triangle
 
 
120-triangle
120-triangle
 
 
121-best-time-to-buy-and-sell-stock
121-best-time-to-buy-and-sell-stock
 
 
136-single-number
136-single-number
 
 
141-linked-list-cycle
141-linked-list-cycle
 
 
144-binary-tree-preorder-traversal
144-binary-tree-preorder-traversal
 
 
145-binary-tree-postorder-traversal
145-binary-tree-postorder-traversal
 
 
167-two-sum-ii-input-array-is-sorted
167-two-sum-ii-input-array-is-sorted
 
 
189-rotate-array
189-rotate-array
 
 
19-remove-nth-node-from-end-of-list
19-remove-nth-node-from-end-of-list
 
 
190-reverse-bits
190-reverse-bits
 
 
191-number-of-1-bits
191-number-of-1-bits
 
 
198-house-robber
198-house-robber
 
 
20-valid-parentheses
20-valid-parentheses
 
 
203-remove-linked-list-elements
203-remove-linked-list-elements
 
 
206-reverse-linked-list
206-reverse-linked-list
 
 
21-merge-two-sorted-lists
21-merge-two-sorted-lists
 
 
213-house-robber-ii
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217-contains-duplicate
217-contains-duplicate
 
 
226-invert-binary-tree
226-invert-binary-tree
 
 
231-power-of-two
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232-implement-queue-using-stacks
232-implement-queue-using-stacks
 
 
235-lowest-common-ancestor-of-a-binary-search-tree
235-lowest-common-ancestor-of-a-binary-search-tree
 
 
242-valid-anagram
242-valid-anagram
 
 
278-first-bad-version
278-first-bad-version
 
 
283-move-zeroes
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3-longest-substring-without-repeating-characters
3-longest-substring-without-repeating-characters
 
 
344-reverse-string
344-reverse-string
 
 
35-search-insert-position
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350-intersection-of-two-arrays-ii
350-intersection-of-two-arrays-ii
 
 
36-valid-sudoku
36-valid-sudoku
 
 
383-ransom-note
383-ransom-note
 
 
387-first-unique-character-in-a-string
387-first-unique-character-in-a-string
 
 
4-median-of-two-sorted-arrays
4-median-of-two-sorted-arrays
 
 
45-jump-game-ii
45-jump-game-ii
 
 
46-permutations
46-permutations
 
 
509-fibonacci-number
509-fibonacci-number
 
 
53-maximum-subarray
53-maximum-subarray
 
 
542-01-matrix
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55-jump-game
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557-reverse-words-in-a-string-iii
557-reverse-words-in-a-string-iii
 
 
566-reshape-the-matrix
566-reshape-the-matrix
 
 
567-permutation-in-string
567-permutation-in-string
 
 
617-merge-two-binary-trees
617-merge-two-binary-trees
 
 
653-two-sum-iv-input-is-a-bst
653-two-sum-iv-input-is-a-bst
 
 
695-max-area-of-island
695-max-area-of-island
 
 
70-climbing-stairs
70-climbing-stairs
 
 
700-search-in-a-binary-search-tree
700-search-in-a-binary-search-tree
 
 
701-insert-into-a-binary-search-tree
701-insert-into-a-binary-search-tree
 
 
704-binary-search
704-binary-search
 
 
733-flood-fill
733-flood-fill
 
 
74-search-a-2d-matrix
74-search-a-2d-matrix
 
 
740-delete-and-earn
740-delete-and-earn
 
 
746-min-cost-climbing-stairs
746-min-cost-climbing-stairs
 
 
77-combinations
77-combinations
 
 
784-letter-case-permutation
784-letter-case-permutation
 
 
83-remove-duplicates-from-sorted-list
83-remove-duplicates-from-sorted-list
 
 
876-middle-of-the-linked-list
876-middle-of-the-linked-list
 
 
88-merge-sorted-array
88-merge-sorted-array
 
 
94-binary-tree-inorder-traversal
94-binary-tree-inorder-traversal
 
 
977-squares-of-a-sorted-array
977-squares-of-a-sorted-array
 
 
98-validate-binary-search-tree
98-validate-binary-search-tree
 
 
994-rotting-oranges
994-rotting-oranges
 
 
README.md
README.md
 
 

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Leetcode---problem-solving

Collection of LeetCode questions to improve my problem solving skill

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Collection of LeetCode algorithms to practice my problem solving skill

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