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This repo contains challenges that I have solved at leetcode.com

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bisrat-walle/Leetcode-challenges-solved

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0006-zigzag-conversion
0006-zigzag-conversion
 
 
0012-integer-to-roman
0012-integer-to-roman
 
 
0022-generate-parentheses
0022-generate-parentheses
 
 
0038-count-and-say
0038-count-and-say
 
 
0045-jump-game-ii
0045-jump-game-ii
 
 
0049-group-anagrams
0049-group-anagrams
 
 
0050-powx-n
0050-powx-n
 
 
0051-n-queens
0051-n-queens
 
 
0052-n-queens-ii
0052-n-queens-ii
 
 
0053-maximum-subarray
0053-maximum-subarray
 
 
0066-plus-one
0066-plus-one
 
 
0069-sqrtx
0069-sqrtx
 
 
0071-simplify-path
0071-simplify-path
 
 
0076-minimum-window-substring
0076-minimum-window-substring
 
 
0093-restore-ip-addresses
0093-restore-ip-addresses
 
 
0098-validate-binary-search-tree
0098-validate-binary-search-tree
 
 
0100-same-tree
0100-same-tree
 
 
0128-longest-consecutive-sequence
0128-longest-consecutive-sequence
 
 
0133-clone-graph
0133-clone-graph
 
 
0138-copy-list-with-random-pointer
0138-copy-list-with-random-pointer
 
 
0146-lru-cache
0146-lru-cache
 
 
0152-maximum-product-subarray
0152-maximum-product-subarray
 
 
0168-excel-sheet-column-title
0168-excel-sheet-column-title
 
 
0179-largest-number
0179-largest-number
 
 
0203-remove-linked-list-elements
0203-remove-linked-list-elements
 
 
0204-count-primes
0204-count-primes
 
 
0205-isomorphic-strings
0205-isomorphic-strings
 
 
0208-implement-trie-prefix-tree
0208-implement-trie-prefix-tree
 
 
0215-kth-largest-element-in-an-array
0215-kth-largest-element-in-an-array
 
 
0217-contains-duplicate
0217-contains-duplicate
 
 
0219-contains-duplicate-ii
0219-contains-duplicate-ii
 
 
0221-maximal-square
0221-maximal-square
 
 
0235-lowest-common-ancestor-of-a-binary-search-tree
0235-lowest-common-ancestor-of-a-binary-search-tree
 
 
0236-lowest-common-ancestor-of-a-binary-tree
0236-lowest-common-ancestor-of-a-binary-tree
 
 
0237-delete-node-in-a-linked-list
0237-delete-node-in-a-linked-list
 
 
0238-product-of-array-except-self
0238-product-of-array-except-self
 
 
0260-single-number-iii
0260-single-number-iii
 
 
0263-ugly-number
0263-ugly-number
 
 
0268-missing-number
0268-missing-number
 
 
0273-integer-to-english-words
0273-integer-to-english-words
 
 
0279-perfect-squares
0279-perfect-squares
 
 
0284-peeking-iterator
0284-peeking-iterator
 
 
0290-word-pattern
0290-word-pattern
 
 
0297-serialize-and-deserialize-binary-tree
0297-serialize-and-deserialize-binary-tree
 
 
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
 
 
0329-longest-increasing-path-in-a-matrix
0329-longest-increasing-path-in-a-matrix
 
 
0334-increasing-triplet-subsequence
0334-increasing-triplet-subsequence
 
 
0345-reverse-vowels-of-a-string
0345-reverse-vowels-of-a-string
 
 
0352-data-stream-as-disjoint-intervals
0352-data-stream-as-disjoint-intervals
 
 
0354-russian-doll-envelopes
0354-russian-doll-envelopes
 
 
0355-design-twitter
0355-design-twitter
 
 
0368-largest-divisible-subset
0368-largest-divisible-subset
 
 
0376-wiggle-subsequence
0376-wiggle-subsequence
 
 
0380-insert-delete-getrandom-o1
0380-insert-delete-getrandom-o1
 
 
0381-insert-delete-getrandom-o1-duplicates-allowed
0381-insert-delete-getrandom-o1-duplicates-allowed
 
 
0385-mini-parser
0385-mini-parser
 
 
0387-first-unique-character-in-a-string
0387-first-unique-character-in-a-string
 
 
0399-evaluate-division
0399-evaluate-division
 
 
0401-binary-watch
0401-binary-watch
 
 
0409-longest-palindrome
0409-longest-palindrome
 
 
0413-arithmetic-slices
0413-arithmetic-slices
 
 
0414-third-maximum-number
0414-third-maximum-number
 
 
0433-minimum-genetic-mutation
0433-minimum-genetic-mutation
 
 
0443-string-compression
0443-string-compression
 
 
0446-arithmetic-slices-ii-subsequence
0446-arithmetic-slices-ii-subsequence
 
 
0452-minimum-number-of-arrows-to-burst-balloons
0452-minimum-number-of-arrows-to-burst-balloons
 
 
0468-validate-ip-address
0468-validate-ip-address
 
 
0491-non-decreasing-subsequences
0491-non-decreasing-subsequences
 
 
0501-find-mode-in-binary-search-tree
0501-find-mode-in-binary-search-tree
 
 
0520-detect-capital
0520-detect-capital
 
 
0523-continuous-subarray-sum
0523-continuous-subarray-sum
 
 
0528-random-pick-with-weight
0528-random-pick-with-weight
 
 
0543-diameter-of-binary-tree
0543-diameter-of-binary-tree
 
 
0645-set-mismatch
0645-set-mismatch
 
 
0650-2-keys-keyboard
0650-2-keys-keyboard
 
 
0670-maximum-swap
0670-maximum-swap
 
 
0678-valid-parenthesis-string
0678-valid-parenthesis-string
 
 
0680-valid-palindrome-ii
0680-valid-palindrome-ii
 
 
0687-longest-univalue-path
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0691-stickers-to-spell-word
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0697-degree-of-an-array
0697-degree-of-an-array
 
 
0719-find-k-th-smallest-pair-distance
0719-find-k-th-smallest-pair-distance
 
 
0742-closest-leaf-in-a-binary-tree
0742-closest-leaf-in-a-binary-tree
 
 
0766-toeplitz-matrix
0766-toeplitz-matrix
 
 
0768-max-chunks-to-make-sorted-ii
0768-max-chunks-to-make-sorted-ii
 
 
0784-letter-case-permutation
0784-letter-case-permutation
 
 
0795-number-of-subarrays-with-bounded-maximum
0795-number-of-subarrays-with-bounded-maximum
 
 
0797-all-paths-from-source-to-target
0797-all-paths-from-source-to-target
 
 
0809-expressive-words
0809-expressive-words
 
 
0815-bus-routes
0815-bus-routes
 
 
0847-shortest-path-visiting-all-nodes
0847-shortest-path-visiting-all-nodes
 
 
0848-shifting-letters
0848-shifting-letters
 
 
0886-possible-bipartition
0886-possible-bipartition
 
 
0901-online-stock-span
0901-online-stock-span
 
 
0937-reorder-data-in-log-files
0937-reorder-data-in-log-files
 
 
0974-subarray-sums-divisible-by-k
0974-subarray-sums-divisible-by-k
 
 
0976-largest-perimeter-triangle
0976-largest-perimeter-triangle
 
 
0980-unique-paths-iii
0980-unique-paths-iii
 
 
0987-vertical-order-traversal-of-a-binary-tree
0987-vertical-order-traversal-of-a-binary-tree
 
 

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Leetcode-challenges-solved

This repo is a home for my leetcode challenge solutions.

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This repo contains challenges that I have solved at leetcode.com

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python challenge algorithms leetcode data-structures

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