PrepFlow
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ATS Checker
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DSA Sheets
Compiler
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Companies
Goldman Sachs
Hash Table
Hash Table
0/34 solved
Two Sum
EASY
Longest Substring Without Repeating Characters
MEDIUM
LRU Cache
MEDIUM
Group Anagrams
MEDIUM
Letter Combinations of a Phone Number
MEDIUM
Top K Frequent Elements
MEDIUM
First Missing Positive
HARD
Linked List Cycle
EASY
Intersection of Two Linked Lists
EASY
Roman to Integer
EASY
Set Matrix Zeroes
MEDIUM
Missing Number
EASY
Valid Anagram
EASY
Implement Trie (Prefix Tree)
MEDIUM
Valid Sudoku
MEDIUM
Insert Delete GetRandom O(1)
MEDIUM
First Unique Character in a String
EASY
Reorganize String
MEDIUM
Next Greater Element I
EASY
Delete and Earn
MEDIUM
Integer to Roman
MEDIUM
Contains Duplicate II
EASY
Maximum XOR of Two Numbers in an Array
MEDIUM
Design HashMap
EASY
K-diff Pairs in an Array
MEDIUM
Longest Substring with At Most K Distinct Characters
MEDIUM
Amount of Time for Binary Tree to Be Infected
MEDIUM
Fraction to Recurring Decimal
MEDIUM
Longest Word in Dictionary
MEDIUM
Divide Array in Sets of K Consecutive Numbers
MEDIUM
Count Number of Pairs With Absolute Difference K
EASY
Count Number of Texts
MEDIUM
High Five
EASY
Keep Multiplying Found Values by Two
EASY