ServiceNow Hash Table Questions

17 hash table problems asked at ServiceNow interviews

Easy (1)Medium (11)Hard (5)

Questions

Title	Difficulty	Acceptance	Frequency
LRU Cache	Medium	46.8%	100.0%
Longest Substring Without Repeating Characters	Medium	38.5%	95.2%
Maximum Score with Co-Prime Element	Hard		89.3%
Longest Repeating Character Replacement	Medium	59.1%	76.8%
First Missing Positive	Hard	42.5%	71.0%
Two Sum	Easy	57.1%	63.4%
Group Anagrams	Medium	72.2%	63.4%
Set Matrix Zeroes	Medium	62.5%	63.4%
LFU Cache	Hard	48.6%	63.4%
Amount of Time for Binary Tree to Be Infected	Medium	65.1%	52.8%
Number of Distinct Islands	Medium	62.7%	52.8%
Top K Frequent Elements	Medium	65.9%	52.8%
Subarrays with K Different Integers	Hard	67.6%	52.8%
Subarray Sum Equals K	Medium	46.8%	52.8%
Letter Combinations of a Phone Number	Medium	65.5%	52.8%
Word Ladder	Hard	44.9%	52.8%
Fruit Into Baskets	Medium	50.5%	52.8%

Showing 17 questions