PrepFlow
Jobs
ATS Checker
Companies
DSA Sheets
Compiler
PrepFlow
Sign in
Login Required!
You need to log in to access your saved progress.
Companies
Nvidia
Hash Table
Hash Table
0/22 solved
Two Sum
EASY
Longest Substring Without Repeating Characters
MEDIUM
LRU Cache
MEDIUM
Majority Element
EASY
Group Anagrams
MEDIUM
Top K Frequent Elements
MEDIUM
Intersection of Two Linked Lists
EASY
Set Matrix Zeroes
MEDIUM
Copy List with Random Pointer
MEDIUM
Linked List Cycle II
MEDIUM
Missing Number
EASY
Implement Trie (Prefix Tree)
MEDIUM
Valid Sudoku
MEDIUM
Insert Delete GetRandom O(1)
MEDIUM
Sort Characters By Frequency
MEDIUM
Intersection of Two Arrays
EASY
Design HashMap
EASY
Max Points on a Line
HARD
Snapshot Array
MEDIUM
Maximum Sum of Distinct Subarrays With Length K
MEDIUM
Dot Product of Two Sparse Vectors
MEDIUM
Task Scheduler II
MEDIUM