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Companies
Zoho
Hash Table
Hash Table
0/17 solved
Two Sum
EASY
Longest Substring Without Repeating Characters
MEDIUM
Longest Consecutive Sequence
MEDIUM
Group Anagrams
MEDIUM
Letter Combinations of a Phone Number
MEDIUM
Word Break
MEDIUM
Roman to Integer
EASY
Longest Repeating Character Replacement
MEDIUM
Valid Sudoku
MEDIUM
Happy Number
EASY
Isomorphic Strings
EASY
First Unique Character in a String
EASY
Integer to Roman
MEDIUM
Word Pattern
EASY
Design HashMap
EASY
Find Winner on a Tic Tac Toe Game
EASY
Cinema Seat Allocation
MEDIUM