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0003-longest-substring-without-repeating-characters
0003-longest-substring-without-repeating-characters
 
 
0036-valid-sudoku
0036-valid-sudoku
 
 
0042-trapping-rain-water
0042-trapping-rain-water
 
 
0125-valid-palindrome
0125-valid-palindrome
 
 
0167-two-sum-ii-input-array-is-sorted
0167-two-sum-ii-input-array-is-sorted
 
 
0238-product-of-array-except-self
0238-product-of-array-except-self
 
 
0303-range-sum-query-immutable
0303-range-sum-query-immutable
 
 
0341-flatten-nested-list-iterator
0341-flatten-nested-list-iterator
 
 
0347-top-k-frequent-elements
0347-top-k-frequent-elements
 
 
0525-contiguous-array
0525-contiguous-array
 
 
0560-subarray-sum-equals-k
0560-subarray-sum-equals-k
 
 
1-two-sum
1-two-sum
 
 
100-same-tree
100-same-tree
 
 
1014-k-closest-points-to-origin
1014-k-closest-points-to-origin
 
 
102-binary-tree-level-order-traversal
102-binary-tree-level-order-traversal
 
 
1023-time-based-key-value-store
1023-time-based-key-value-store
 
 
1036-rotting-oranges
1036-rotting-oranges
 
 
104-maximum-depth-of-binary-tree
104-maximum-depth-of-binary-tree
 
 
105-construct-binary-tree-from-preorder-and-inorder-traversal
105-construct-binary-tree-from-preorder-and-inorder-traversal
 
 
11-container-with-most-water
11-container-with-most-water
 
 
110-balanced-binary-tree
110-balanced-binary-tree
 
 
1146-greatest-common-divisor-of-strings
1146-greatest-common-divisor-of-strings
 
 
124-binary-tree-maximum-path-sum
124-binary-tree-maximum-path-sum
 
 
125-valid-palindrome
125-valid-palindrome
 
 
128-longest-consecutive-sequence
128-longest-consecutive-sequence
 
 
133-clone-graph
133-clone-graph
 
 
138-copy-list-with-random-pointer
138-copy-list-with-random-pointer
 
 
139-word-break
139-word-break
 
 
141-linked-list-cycle
141-linked-list-cycle
 
 
143-reorder-list
143-reorder-list
 
 
146-lru-cache
146-lru-cache
 
 
150-evaluate-reverse-polish-notation
150-evaluate-reverse-polish-notation
 
 
151-reverse-words-in-a-string
151-reverse-words-in-a-string
 
 
1528-kids-with-the-greatest-number-of-candies
1528-kids-with-the-greatest-number-of-candies
 
 
153-find-minimum-in-rotated-sorted-array
153-find-minimum-in-rotated-sorted-array
 
 
1544-count-good-nodes-in-binary-tree
1544-count-good-nodes-in-binary-tree
 
 
155-min-stack
155-min-stack
 
 
167-two-sum-ii-input-array-is-sorted
167-two-sum-ii-input-array-is-sorted
 
 
17-letter-combinations-of-a-phone-number
17-letter-combinations-of-a-phone-number
 
 
1894-merge-strings-alternately
1894-merge-strings-alternately
 
 
19-remove-nth-node-from-end-of-list
19-remove-nth-node-from-end-of-list
 
 
199-binary-tree-right-side-view
199-binary-tree-right-side-view
 
 
2-add-two-numbers
2-add-two-numbers
 
 
20-valid-parentheses
20-valid-parentheses
 
 
200-number-of-islands
200-number-of-islands
 
 
207-course-schedule
207-course-schedule
 
 
208-implement-trie-prefix-tree
208-implement-trie-prefix-tree
 
 
21-merge-two-sorted-lists
21-merge-two-sorted-lists
 
 
217-contains-duplicate
217-contains-duplicate
 
 
226-invert-binary-tree
226-invert-binary-tree
 
 
23-merge-k-sorted-lists
23-merge-k-sorted-lists
 
 
230-kth-smallest-element-in-a-bst
230-kth-smallest-element-in-a-bst
 
 
235-lowest-common-ancestor-of-a-binary-search-tree
235-lowest-common-ancestor-of-a-binary-search-tree
 
 
238-product-of-array-except-self
238-product-of-array-except-self
 
 
239-sliding-window-maximum
239-sliding-window-maximum
 
 
25-reverse-nodes-in-k-group
25-reverse-nodes-in-k-group
 
 
2552-maximum-sum-of-distinct-subarrays-with-length-k
2552-maximum-sum-of-distinct-subarrays-with-length-k
 
 
278-first-bad-version
278-first-bad-version
 
 
28-find-the-index-of-the-first-occurrence-in-a-string
28-find-the-index-of-the-first-occurrence-in-a-string
 
 
287-find-the-duplicate-number
287-find-the-duplicate-number
 
 
297-serialize-and-deserialize-binary-tree
297-serialize-and-deserialize-binary-tree
 
 
3-longest-substring-without-repeating-characters
3-longest-substring-without-repeating-characters
 
 
33-search-in-rotated-sorted-array
33-search-in-rotated-sorted-array
 
 
334-increasing-triplet-subsequence
334-increasing-triplet-subsequence
 
 
345-reverse-vowels-of-a-string
345-reverse-vowels-of-a-string
 
 
383-ransom-note
383-ransom-note
 
 
409-longest-palindrome
409-longest-palindrome
 
 
416-partition-equal-subset-sum
416-partition-equal-subset-sum
 
 
424-longest-repeating-character-replacement
424-longest-repeating-character-replacement
 
 
438-find-all-anagrams-in-a-string
438-find-all-anagrams-in-a-string
 
 
443-string-compression
443-string-compression
 
 
49-group-anagrams
49-group-anagrams
 
 
54-spiral-matrix
54-spiral-matrix
 
 
542-01-matrix
542-01-matrix
 
 
543-diameter-of-binary-tree
543-diameter-of-binary-tree
 
 
56-merge-intervals
56-merge-intervals
 
 
567-permutation-in-string
567-permutation-in-string
 
 
572-subtree-of-another-tree
572-subtree-of-another-tree
 
 
605-can-place-flowers
605-can-place-flowers
 
 
643-maximum-average-subarray-i
643-maximum-average-subarray-i
 
 
70-climbing-stairs
70-climbing-stairs
 
 
721-accounts-merge
721-accounts-merge
 
 
74-search-a-2d-matrix
74-search-a-2d-matrix
 
 
76-minimum-window-substring
76-minimum-window-substring
 
 
78-subsets
78-subsets
 
 
792-binary-search
792-binary-search
 
 
83-remove-duplicates-from-sorted-list
83-remove-duplicates-from-sorted-list
 
 
84-largest-rectangle-in-histogram
84-largest-rectangle-in-histogram
 
 
883-car-fleet
883-car-fleet
 
 
907-koko-eating-bananas
907-koko-eating-bananas
 
 
98-validate-binary-search-tree
98-validate-binary-search-tree
 
 
README.md
README.md
 
 
stats.json
stats.json
 
 

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leetcode Submissions in Kotlin

Collection of LeetCode questions to ace the coding interview!

  • Most problems are done use Kotlin, but cpp could also be there for few

LeetCode Topics

Array
0042-trapping-rain-water
0303-range-sum-query-immutable
0525-contiguous-array
0560-subarray-sum-equals-k

Design
0303-range-sum-query-immutable
0341-flatten-nested-list-iterator

Prefix Sum
0303-range-sum-query-immutable
0525-contiguous-array
0560-subarray-sum-equals-k

Hash Table
0003-longest-substring-without-repeating-characters
0525-contiguous-array
0560-subarray-sum-equals-k

Two Pointers
0042-trapping-rain-water

Dynamic Programming
0042-trapping-rain-water

Stack
0042-trapping-rain-water
0341-flatten-nested-list-iterator

Monotonic Stack
0042-trapping-rain-water

String
0003-longest-substring-without-repeating-characters

Sliding Window
0003-longest-substring-without-repeating-characters

Tree
0341-flatten-nested-list-iterator

Depth-First Search
0341-flatten-nested-list-iterator

Queue
0341-flatten-nested-list-iterator

Iterator
0341-flatten-nested-list-iterator

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Collection of LeetCode questions to ace the coding interview!

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