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Companies
Bloomberg
String
String
0/64 solved
Longest Substring Without Repeating Characters
MEDIUM
Longest Palindromic Substring
MEDIUM
Valid Parentheses
EASY
Generate Parentheses
MEDIUM
Group Anagrams
MEDIUM
Letter Combinations of a Phone Number
MEDIUM
Longest Common Prefix
EASY
Minimum Window Substring
HARD
Word Break
MEDIUM
Word Search
MEDIUM
Edit Distance
MEDIUM
Roman to Integer
EASY
Decode String
MEDIUM
Longest Valid Parentheses
HARD
Valid Anagram
EASY
Find All Anagrams in a String
MEDIUM
Regular Expression Matching
HARD
Word Ladder
HARD
Decode Ways
MEDIUM
Palindromic Substrings
MEDIUM
Partition Labels
MEDIUM
Serialize and Deserialize Binary Tree
HARD
Is Subsequence
EASY
Valid Palindrome
EASY
Add Binary
EASY
Evaluate Division
MEDIUM
First Unique Character in a String
EASY
Reverse String
EASY
Remove Duplicate Letters
MEDIUM
Sort Characters By Frequency
MEDIUM
Wildcard Matching
HARD
Zigzag Conversion
MEDIUM
Top K Frequent Words
MEDIUM
Integer to Roman
MEDIUM
Word Break II
HARD
Multiply Strings
MEDIUM
Minimum Remove to Make Valid Parentheses
MEDIUM
Distinct Subsequences
HARD
Binary Tree Paths
EASY
Remove All Adjacent Duplicates In String
EASY
Find the Index of the First Occurrence in a String
EASY
Word Ladder II
HARD
Reverse Words in a String III
EASY
Remove Invalid Parentheses
HARD
Remove All Adjacent Duplicates in String II
MEDIUM
Simplify Path
MEDIUM
Length of Last Word
EASY
Add Strings
EASY
String to Integer (atoi)
MEDIUM
Open the Lock
MEDIUM
Search Suggestions System
MEDIUM
Letter Case Permutation
MEDIUM
Count and Say
MEDIUM
Text Justification
HARD
Design Underground System
MEDIUM
Minimum Number of Steps to Make Two Strings Anagram
MEDIUM
Maximum Nesting Depth of the Parentheses
EASY
Substring with Concatenation of All Words
HARD
Minimum Swaps to Make Strings Equal
MEDIUM
Truncate Sentence
EASY
Word Squares
HARD
Invalid Transactions
MEDIUM
Zuma Game
HARD
Construct String from Binary Tree
MEDIUM