Epam Systems Hash Table Questions

11 hash table problems asked at Epam Systems interviews

Easy (4)Medium (6)Hard (1)

Questions

Title	Difficulty	Acceptance	Frequency
Two Sum	Easy	57.1%	100.0%
Longest Substring Without Repeating Characters	Medium	38.5%	98.2%
Valid Anagram	Easy	67.8%	79.5%
Group Anagrams	Medium	72.2%	75.1%
Longest Consecutive Sequence	Medium	47.0%	62.7%
First Unique Character in a String	Easy	65.1%	62.7%
LRU Cache	Medium	46.8%	53.0%
Roman to Integer	Easy	66.3%	53.0%
First Missing Positive	Hard	42.5%	53.0%
Sort Characters By Frequency	Medium	75.1%	53.0%
Top K Frequent Elements	Medium	65.9%	53.0%

Showing 11 questions