Cisco Hash Table Questions

17 hash table problems asked at Cisco interviews

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

Questions

Title	Difficulty	Acceptance	Frequency
LRU Cache	Medium	46.8%	66.8%
Implement Router	Medium	39.1%	63.2%
Number of Equal Count Substrings	Medium	45.3%	63.2%
Max Points on a Line	Hard	30.3%	58.9%
Happy Number	Easy	59.3%	58.9%
Two Sum	Easy	57.1%	58.9%
Longest Substring Without Repeating Characters	Medium	38.5%	53.2%
Linked List Cycle	Easy	53.9%	49.7%
Letter Combinations of a Phone Number	Medium	65.5%	45.3%
Longest Consecutive Sequence	Medium	47.0%	45.3%
Permutation in String	Medium	48.5%	39.8%
Group Anagrams	Medium	72.2%	39.8%
Top K Frequent Elements	Medium	65.9%	39.8%
Insert Delete GetRandom O(1)	Medium	55.3%	39.8%
Subarray Sum Equals K	Medium	46.8%	32.0%
Missing Number	Easy	71.7%	32.0%
Two Sum IV - Input is a BST	Easy	63.0%	32.0%

Showing 17 questions