PrepFlow
Jobs
ATS Checker
Companies
DSA Sheets
Compiler
PrepFlow
Sign in
Login Required!
You need to log in to access your saved progress.
Companies
Doordash
String
String
0/20 solved
Group Anagrams
MEDIUM
Longest Common Subsequence
MEDIUM
Implement Trie (Prefix Tree)
MEDIUM
Serialize and Deserialize Binary Tree
HARD
Word Search II
HARD
Design Add and Search Words Data Structure
MEDIUM
Basic Calculator
HARD
Basic Calculator II
MEDIUM
Search Suggestions System
MEDIUM
Next Greater Element III
MEDIUM
Buddy Strings
EASY
Minimum Number of Steps to Make Two Strings Anagram
MEDIUM
Design In-Memory File System
HARD
Basic Calculator III
HARD
Check if One String Swap Can Make Strings Equal
EASY
Counting Words With a Given Prefix
EASY
Brace Expansion
MEDIUM
Design File System
MEDIUM
Subsequence With the Minimum Score
HARD
Implement Trie II (Prefix Tree)
MEDIUM