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

LeetCode Topics

Hash Table

0003-longest-substring-without-repeating-characters
0049-group-anagrams
0128-longest-consecutive-sequence
0217-contains-duplicate
0242-valid-anagram
0347-top-k-frequent-elements
0692-top-k-frequent-words

String

0003-longest-substring-without-repeating-characters
0020-valid-parentheses
0049-group-anagrams
0125-valid-palindrome
0242-valid-anagram
0692-top-k-frequent-words

Sorting

0015-3sum
0049-group-anagrams
0217-contains-duplicate
0242-valid-anagram
0347-top-k-frequent-elements
0692-top-k-frequent-words

Array

0011-container-with-most-water
0015-3sum
0049-group-anagrams
0121-best-time-to-buy-and-sell-stock
0128-longest-consecutive-sequence
0153-find-minimum-in-rotated-sorted-array
0217-contains-duplicate
0238-product-of-array-except-self
0347-top-k-frequent-elements
0692-top-k-frequent-words

Two Pointers

0011-container-with-most-water
0015-3sum
0125-valid-palindrome

Greedy

0011-container-with-most-water

Divide and Conquer

0347-top-k-frequent-elements

Heap (Priority Queue)

0347-top-k-frequent-elements
0692-top-k-frequent-words

Bucket Sort

0347-top-k-frequent-elements
0692-top-k-frequent-words

Counting

0347-top-k-frequent-elements
0692-top-k-frequent-words

Quickselect

0347-top-k-frequent-elements

Trie

0692-top-k-frequent-words

Prefix Sum

0238-product-of-array-except-self

Union Find

0128-longest-consecutive-sequence

Math

0009-palindrome-number

Dynamic Programming

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

Sliding Window

0003-longest-substring-without-repeating-characters

Stack

0020-valid-parentheses

Binary Search

0153-find-minimum-in-rotated-sorted-array