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

LeetCode Topics

Array

0001-two-sum
0011-container-with-most-water
0015-3sum
0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0049-group-anagrams
0056-merge-intervals
0078-subsets
0090-subsets-ii
0150-evaluate-reverse-polish-notation
0153-find-minimum-in-rotated-sorted-array
0162-find-peak-element
0167-two-sum-ii-input-array-is-sorted
0209-minimum-size-subarray-sum
0217-contains-duplicate
0347-top-k-frequent-elements
0349-intersection-of-two-arrays
0560-subarray-sum-equals-k
0643-maximum-average-subarray-i
0704-binary-search
0875-koko-eating-bananas
0904-fruit-into-baskets
1207-unique-number-of-occurrences

Hash Table

0001-two-sum
0003-longest-substring-without-repeating-characters
0049-group-anagrams
0217-contains-duplicate
0242-valid-anagram
0347-top-k-frequent-elements
0349-intersection-of-two-arrays
0424-longest-repeating-character-replacement
0560-subarray-sum-equals-k
0904-fruit-into-baskets
1207-unique-number-of-occurrences

Sorting

0015-3sum
0049-group-anagrams
0056-merge-intervals
0217-contains-duplicate
0242-valid-anagram
0347-top-k-frequent-elements
0349-intersection-of-two-arrays

Two Pointers

0011-container-with-most-water
0015-3sum
0125-valid-palindrome
0167-two-sum-ii-input-array-is-sorted
0349-intersection-of-two-arrays

Binary Search

0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0153-find-minimum-in-rotated-sorted-array
0162-find-peak-element
0167-two-sum-ii-input-array-is-sorted
0209-minimum-size-subarray-sum
0349-intersection-of-two-arrays
0704-binary-search
0875-koko-eating-bananas

String

0003-longest-substring-without-repeating-characters
0020-valid-parentheses
0049-group-anagrams
0125-valid-palindrome
0242-valid-anagram
0424-longest-repeating-character-replacement
1047-remove-all-adjacent-duplicates-in-string

Divide and Conquer

0347-top-k-frequent-elements

Heap (Priority Queue)

0347-top-k-frequent-elements

Bucket Sort

0347-top-k-frequent-elements

Counting

0347-top-k-frequent-elements

Quickselect

0347-top-k-frequent-elements

Greedy

0011-container-with-most-water

Sliding Window

0003-longest-substring-without-repeating-characters
0209-minimum-size-subarray-sum
0424-longest-repeating-character-replacement
0643-maximum-average-subarray-i
0904-fruit-into-baskets

Prefix Sum

0209-minimum-size-subarray-sum
0560-subarray-sum-equals-k

Stack

0020-valid-parentheses
0150-evaluate-reverse-polish-notation
1047-remove-all-adjacent-duplicates-in-string

Math

0150-evaluate-reverse-polish-notation

Backtracking

0078-subsets
0090-subsets-ii

Bit Manipulation

0078-subsets
0090-subsets-ii