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Collection of LeetCode questions to ace the coding interview! - Created using [LeetHub](https://github.com/QasimWani/LeetHub)

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432 Commits
0001-two-sum
0001-two-sum
 
 
0002-add-two-numbers
0002-add-two-numbers
 
 
0003-longest-substring-without-repeating-characters
0003-longest-substring-without-repeating-characters
 
 
0004-median-of-two-sorted-arrays
0004-median-of-two-sorted-arrays
 
 
0005-longest-palindromic-substring
0005-longest-palindromic-substring
 
 
0009-palindrome-number
0009-palindrome-number
 
 
0010-regular-expression-matching
0010-regular-expression-matching
 
 
0013-roman-to-integer
0013-roman-to-integer
 
 
0014-longest-common-prefix
0014-longest-common-prefix
 
 
0019-remove-nth-node-from-end-of-list
0019-remove-nth-node-from-end-of-list
 
 
0026-remove-duplicates-from-sorted-array
0026-remove-duplicates-from-sorted-array
 
 
0027-remove-element
0027-remove-element
 
 
0028-find-the-index-of-the-first-occurrence-in-a-string
0028-find-the-index-of-the-first-occurrence-in-a-string
 
 
0035-search-insert-position
0035-search-insert-position
 
 
0041-first-missing-positive
0041-first-missing-positive
 
 
0049-group-anagrams
0049-group-anagrams
 
 
0057-insert-interval
0057-insert-interval
 
 
0058-length-of-last-word
0058-length-of-last-word
 
 
0066-plus-one
0066-plus-one
 
 
0067-add-binary
0067-add-binary
 
 
0069-sqrtx
0069-sqrtx
 
 
0094-binary-tree-inorder-traversal
0094-binary-tree-inorder-traversal
 
 
0100-same-tree
0100-same-tree
 
 
0121-best-time-to-buy-and-sell-stock
0121-best-time-to-buy-and-sell-stock
 
 
0125-valid-palindrome
0125-valid-palindrome
 
 
0136-single-number
0136-single-number
 
 
0141-linked-list-cycle
0141-linked-list-cycle
 
 
0143-reorder-list
0143-reorder-list
 
 
0144-binary-tree-preorder-traversal
0144-binary-tree-preorder-traversal
 
 
0145-binary-tree-postorder-traversal
0145-binary-tree-postorder-traversal
 
 
0160-intersection-of-two-linked-lists
0160-intersection-of-two-linked-lists
 
 
0169-majority-element
0169-majority-element
 
 
0175-combine-two-tables
0175-combine-two-tables
 
 
0181-employees-earning-more-than-their-managers
0181-employees-earning-more-than-their-managers
 
 
0182-duplicate-emails
0182-duplicate-emails
 
 
0183-customers-who-never-order
0183-customers-who-never-order
 
 
0190-reverse-bits
0190-reverse-bits
 
 
0191-number-of-1-bits
0191-number-of-1-bits
 
 
0196-delete-duplicate-emails
0196-delete-duplicate-emails
 
 
0201-bitwise-and-of-numbers-range
0201-bitwise-and-of-numbers-range
 
 
0202-happy-number
0202-happy-number
 
 
0206-reverse-linked-list
0206-reverse-linked-list
 
 
0217-contains-duplicate
0217-contains-duplicate
 
 
0231-power-of-two
0231-power-of-two
 
 
0234-palindrome-linked-list
0234-palindrome-linked-list
 
 
0238-product-of-array-except-self
0238-product-of-array-except-self
 
 
0242-valid-anagram
0242-valid-anagram
 
 
0258-add-digits
0258-add-digits
 
 
0263-ugly-number
0263-ugly-number
 
 
0268-missing-number
0268-missing-number
 
 
0279-perfect-squares
0279-perfect-squares
 
 
0287-find-the-duplicate-number
0287-find-the-duplicate-number
 
 
0326-power-of-three
0326-power-of-three
 
 
0344-reverse-string
0344-reverse-string
 
 
0349-intersection-of-two-arrays
0349-intersection-of-two-arrays
 
 
0367-valid-perfect-square
0367-valid-perfect-square
 
 
0387-first-unique-character-in-a-string
0387-first-unique-character-in-a-string
 
 
0434-number-of-segments-in-a-string
0434-number-of-segments-in-a-string
 
 
0442-find-all-duplicates-in-an-array
0442-find-all-duplicates-in-an-array
 
 
0452-minimum-number-of-arrows-to-burst-balloons
0452-minimum-number-of-arrows-to-burst-balloons
 
 
0513-find-bottom-left-tree-value
0513-find-bottom-left-tree-value
 
 
0525-contiguous-array
0525-contiguous-array
 
 
0543-diameter-of-binary-tree
0543-diameter-of-binary-tree
 
 
0577-employee-bonus
0577-employee-bonus
 
 
0586-customer-placing-the-largest-number-of-orders
0586-customer-placing-the-largest-number-of-orders
 
 
0596-classes-more-than-5-students
0596-classes-more-than-5-students
 
 
0621-task-scheduler
0621-task-scheduler
 
 
0713-subarray-product-less-than-k
0713-subarray-product-less-than-k
 
 
0787-cheapest-flights-within-k-stops
0787-cheapest-flights-within-k-stops
 
 
0791-custom-sort-string
0791-custom-sort-string
 
 
0812-rotate-string
0812-rotate-string
 
 
0876-middle-of-the-linked-list
0876-middle-of-the-linked-list
 
 
0930-binary-subarrays-with-sum
0930-binary-subarrays-with-sum
 
 
0932-monotonic-array
0932-monotonic-array
 
 
0948-bag-of-tokens
0948-bag-of-tokens
 
 
0977-squares-of-a-sorted-array
0977-squares-of-a-sorted-array
 
 
0992-subarrays-with-k-different-integers
0992-subarrays-with-k-different-integers
 
 
0997-find-the-town-judge
0997-find-the-town-judge
 
 
1171-remove-zero-sum-consecutive-nodes-from-linked-list
1171-remove-zero-sum-consecutive-nodes-from-linked-list
 
 
1179-game-play-analysis-i
1179-game-play-analysis-i
 
 
1291-sequential-digits
1291-sequential-digits
 
 
1302-delete-characters-to-make-fancy-string
1302-delete-characters-to-make-fancy-string
 
 
1421-find-numbers-with-even-number-of-digits
1421-find-numbers-with-even-number-of-digits
 
 
1609-even-odd-tree
1609-even-odd-tree
 
 
1669-merge-in-between-linked-lists
1669-merge-in-between-linked-lists
 
 
1750-minimum-length-of-string-after-deleting-similar-ends
1750-minimum-length-of-string-after-deleting-similar-ends
 
 
1773-percentage-of-users-attended-a-contest
1773-percentage-of-users-attended-a-contest
 
 
2092-find-all-people-with-secret
2092-find-all-people-with-secret
 
 
2108-find-first-palindromic-string-in-the-array
2108-find-first-palindromic-string-in-the-array
 
 
2149-rearrange-array-elements-by-sign
2149-rearrange-array-elements-by-sign
 
 
2444-count-subarrays-with-fixed-bounds
2444-count-subarrays-with-fixed-bounds
 
 
2485-find-the-pivot-integer
2485-find-the-pivot-integer
 
 
2540-minimum-common-value
2540-minimum-common-value
 
 
2859-add-two-promises
2859-add-two-promises
 
 
2864-maximum-odd-binary-number
2864-maximum-odd-binary-number
 
 
2876-number-of-employees-who-met-the-target
2876-number-of-employees-who-met-the-target
 
 
2958-length-of-longest-subarray-with-at-most-k-frequency
2958-length-of-longest-subarray-with-at-most-k-frequency
 
 
2962-count-subarrays-where-max-element-appears-at-least-k-times
2962-count-subarrays-where-max-element-appears-at-least-k-times
 
 
3005-count-elements-with-maximum-frequency
3005-count-elements-with-maximum-frequency
 
 
3379-score-of-a-string
3379-score-of-a-string
 
 

Repository files navigation

leetcode

Collection of LeetCode questions to ace the coding interview! - Created using LeetHub

LeetCode Topics

Array
0026-remove-duplicates-from-sorted-array
0027-remove-element
0066-plus-one
0121-best-time-to-buy-and-sell-stock
0136-single-number
0169-majority-element
0217-contains-duplicate
0932-monotonic-array
1421-find-numbers-with-even-number-of-digits
2876-number-of-employees-who-met-the-target

Two Pointers
0026-remove-duplicates-from-sorted-array
0027-remove-element
0028-find-the-index-of-the-first-occurrence-in-a-string
0125-valid-palindrome
0160-intersection-of-two-linked-lists
0202-happy-number
0344-reverse-string

String
0013-roman-to-integer
0028-find-the-index-of-the-first-occurrence-in-a-string
0067-add-binary
0125-valid-palindrome
0242-valid-anagram
0344-reverse-string
0434-number-of-segments-in-a-string
0812-rotate-string
1302-delete-characters-to-make-fancy-string
3379-score-of-a-string
3447-clear-digits
3636-check-balanced-string

String Matching
0028-find-the-index-of-the-first-occurrence-in-a-string
0812-rotate-string

Stack
0094-binary-tree-inorder-traversal
0144-binary-tree-preorder-traversal
0145-binary-tree-postorder-traversal
3447-clear-digits

Tree
0094-binary-tree-inorder-traversal
0144-binary-tree-preorder-traversal
0145-binary-tree-postorder-traversal

Depth-First Search
0094-binary-tree-inorder-traversal
0144-binary-tree-preorder-traversal
0145-binary-tree-postorder-traversal

Binary Tree
0094-binary-tree-inorder-traversal
0144-binary-tree-preorder-traversal
0145-binary-tree-postorder-traversal

Hash Table
0013-roman-to-integer
0160-intersection-of-two-linked-lists
0169-majority-element
0202-happy-number
0217-contains-duplicate
0242-valid-anagram

Divide and Conquer
0169-majority-element
0190-reverse-bits
0191-number-of-1-bits

Sorting
0169-majority-element
0217-contains-duplicate
0242-valid-anagram

Counting
0169-majority-element

Bit Manipulation
0067-add-binary
0136-single-number
0190-reverse-bits
0191-number-of-1-bits

Linked List
0160-intersection-of-two-linked-lists

Math
0013-roman-to-integer
0066-plus-one
0067-add-binary
0069-sqrtx
0202-happy-number
0258-add-digits
0263-ugly-number
0326-power-of-three
0367-valid-perfect-square
1421-find-numbers-with-even-number-of-digits

Database
0175-combine-two-tables
0181-employees-earning-more-than-their-managers
0182-duplicate-emails
0183-customers-who-never-order
0196-delete-duplicate-emails
0577-employee-bonus
0586-customer-placing-the-largest-number-of-orders
0596-classes-more-than-5-students
1179-game-play-analysis-i
1773-percentage-of-users-attended-a-contest

Simulation
0067-add-binary
0258-add-digits
3447-clear-digits

Binary Search
0069-sqrtx
0367-valid-perfect-square

Recursion
0326-power-of-three

Number Theory
0258-add-digits

Dynamic Programming
0121-best-time-to-buy-and-sell-stock

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Collection of LeetCode questions to ace the coding interview! - Created using [LeetHub](https://github.com/QasimWani/LeetHub)

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