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Companies
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Hash Table
Hash Table
0/14 solved
LRU Cache
MEDIUM
Implement Trie (Prefix Tree)
MEDIUM
Happy Number
EASY
Insert Delete GetRandom O(1)
MEDIUM
Integer to Roman
MEDIUM
Word Break II
HARD
Max Points on a Line
HARD
Design Twitter
MEDIUM
Minimum Genetic Mutation
MEDIUM
Minimum Number of Steps to Make Two Strings Anagram
MEDIUM
Finding the Users Active Minutes
MEDIUM
Design Authentication Manager
MEDIUM
Number of Black Blocks
MEDIUM
Tweet Counts Per Frequency
MEDIUM