leetcode

LeetCode Topics

Array

0001-two-sum
0011-container-with-most-water
0026-remove-duplicates-from-sorted-array
0027-remove-element
0035-search-insert-position

Hash Table

0001-two-sum
0013-roman-to-integer

Stack

0020-valid-parentheses
0094-binary-tree-inorder-traversal

Tree

0094-binary-tree-inorder-traversal

Depth-First Search

0094-binary-tree-inorder-traversal

Binary Tree

0094-binary-tree-inorder-traversal

Math

0002-add-two-numbers
0007-reverse-integer
0009-palindrome-number
0013-roman-to-integer
0069-sqrtx

String

0008-string-to-integer-atoi
0013-roman-to-integer
0014-longest-common-prefix
0020-valid-parentheses
0028-find-the-index-of-the-first-occurrence-in-a-string

Trie

0014-longest-common-prefix

Two Pointers

0011-container-with-most-water
0026-remove-duplicates-from-sorted-array
0027-remove-element
0028-find-the-index-of-the-first-occurrence-in-a-string

Greedy

0011-container-with-most-water

Binary Search

0035-search-insert-position
0069-sqrtx

Linked List

0002-add-two-numbers
0021-merge-two-sorted-lists

Recursion

0002-add-two-numbers
0021-merge-two-sorted-lists

String Matching

0028-find-the-index-of-the-first-occurrence-in-a-string