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Companies
Roblox
Hash Table
Hash Table
0/19 solved
Two Sum
EASY
Longest Substring Without Repeating Characters
MEDIUM
Longest Consecutive Sequence
MEDIUM
First Missing Positive
HARD
Roman to Integer
EASY
Implement Trie (Prefix Tree)
MEDIUM
Valid Sudoku
MEDIUM
Task Scheduler
MEDIUM
Reorganize String
MEDIUM
Accounts Merge
MEDIUM
Subarrays with K Different Integers
HARD
Count Number of Nice Subarrays
MEDIUM
Group the People Given the Group Size They Belong To
MEDIUM
Least Number of Unique Integers after K Removals
MEDIUM
Number of Flowers in Full Bloom
HARD
Subdomain Visit Count
MEDIUM
Maximum Number of Occurrences of a Substring
MEDIUM
Find the Length of the Longest Common Prefix
MEDIUM
Basic Calculator IV
HARD