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A collection of LeetCode questions to ace the coding interview! - Created using LeetHub v2

LeetCode Topics

Hash Table

0001-two-sum
0003-longest-substring-without-repeating-characters
0017-letter-combinations-of-a-phone-number
0049-group-anagrams
0169-majority-element
1217-relative-sort-array
1319-unique-number-of-occurrences
1353-find-resultant-array-after-removing-anagrams
2427-first-letter-to-appear-twice
2476-check-distances-between-same-letters
3581-the-two-sneaky-numbers-of-digitville

String

0003-longest-substring-without-repeating-characters
0017-letter-combinations-of-a-phone-number
0049-group-anagrams
0412-fizz-buzz
0841-shortest-distance-to-a-character
1353-find-resultant-array-after-removing-anagrams
2427-first-letter-to-appear-twice
2476-check-distances-between-same-letters

Bit Manipulation

2427-first-letter-to-appear-twice

Counting

0169-majority-element
2427-first-letter-to-appear-twice

Array

0001-two-sum
0049-group-anagrams
0169-majority-element
0682-baseball-game
0841-shortest-distance-to-a-character
0958-sort-array-by-parity-ii
1217-relative-sort-array
1319-unique-number-of-occurrences
1353-find-resultant-array-after-removing-anagrams
2058-concatenation-of-array
2476-check-distances-between-same-letters
3581-the-two-sneaky-numbers-of-digitville

Sliding Window

0003-longest-substring-without-repeating-characters

Sorting

0049-group-anagrams
0169-majority-element
0958-sort-array-by-parity-ii
1217-relative-sort-array
1353-find-resultant-array-after-removing-anagrams

Two Pointers

0019-remove-nth-node-from-end-of-list
0841-shortest-distance-to-a-character
0958-sort-array-by-parity-ii

Simulation

0412-fizz-buzz
0682-baseball-game
2058-concatenation-of-array

Math

0412-fizz-buzz
3581-the-two-sneaky-numbers-of-digitville

Backtracking

0017-letter-combinations-of-a-phone-number

Linked List

0019-remove-nth-node-from-end-of-list

Counting Sort

1217-relative-sort-array

Divide and Conquer

0169-majority-element

Stack

0094-binary-tree-inorder-traversal
0144-binary-tree-preorder-traversal
0682-baseball-game

Tree

0094-binary-tree-inorder-traversal
0098-validate-binary-search-tree
0100-same-tree
0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree
0111-minimum-depth-of-binary-tree
0144-binary-tree-preorder-traversal
0404-sum-of-left-leaves
0501-find-mode-in-binary-search-tree
0975-range-sum-of-bst

Depth-First Search

0094-binary-tree-inorder-traversal
0098-validate-binary-search-tree
0100-same-tree
0104-maximum-depth-of-binary-tree
0111-minimum-depth-of-binary-tree
0144-binary-tree-preorder-traversal
0404-sum-of-left-leaves
0501-find-mode-in-binary-search-tree
0975-range-sum-of-bst

Breadth-First Search

0100-same-tree
0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree
0111-minimum-depth-of-binary-tree
0404-sum-of-left-leaves

Binary Tree

0094-binary-tree-inorder-traversal
0098-validate-binary-search-tree
0100-same-tree
0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree
0111-minimum-depth-of-binary-tree
0144-binary-tree-preorder-traversal
0404-sum-of-left-leaves
0501-find-mode-in-binary-search-tree
0975-range-sum-of-bst

Binary Search Tree

0098-validate-binary-search-tree
0501-find-mode-in-binary-search-tree
0975-range-sum-of-bst

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