Cognizant Hash Table Questions

4 hash table problems asked at Cognizant interviews

Easy (3)Medium (1)

Questions

Title	Difficulty	Acceptance	Frequency
Two Sum	Easy	57.1%	83.2%
Valid Anagram	Easy	67.8%	73.4%
Longest Substring Without Repeating Characters	Medium	38.5%	56.7%
Happy Number	Easy	59.3%	56.7%

Showing 4 questions