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Companies
Dropbox
Hash Table
Hash Table
0/14 solved
Two Sum
EASY
LRU Cache
MEDIUM
Letter Combinations of a Phone Number
MEDIUM
Top K Frequent Elements
MEDIUM
Word Pattern
EASY
Word Break II
HARD
Number of Islands II
HARD
Find Duplicate File in System
MEDIUM
Number of Valid Words for Each Puzzle
HARD
Minimize Malware Spread
HARD
Word Pattern II
MEDIUM
Minimize Malware Spread II
HARD
Grid Illumination
HARD
Simple Bank System
MEDIUM