Epic Systems

15 LeetCode interview questions

Difficulty Distribution

Easy

3

20%

Medium

12

80%

Hard

0

0%

Top Topics

String(8)Array(5)Hash Table(4)Backtracking(4)Math(3)Matrix(2)Two Pointers(2)Dynamic Programming(2)Stack(1)Simulation(1)

All Questions

Title	Difficulty	Acceptance	Frequency	Topics
Additive Number	Medium	33.5%	100.0%	StringBacktracking
Letter Combinations of a Phone Number	Medium	65.5%	87.5%	Hash TableStringBacktracking
Valid Parentheses	Easy	43.7%	87.5%	StringStack
Spiral Matrix	Medium	56.1%	87.5%	ArrayMatrixSimulation
Stepping Numbers	Medium	48.2%	87.5%
Self Dividing Numbers	Easy	80.5%	87.5%	Math
Word Search	Medium	46.8%	62.5%	ArrayStringBacktracking+2
Angle Between Hands of a Clock	Medium	64.4%	62.5%	Math
Bulls and Cows	Medium	52.2%	62.5%	Hash TableStringCounting
Two Sum	Easy	57.1%	62.5%	ArrayHash Table
Longest Substring Without Repeating Characters	Medium	38.5%	50.0%	Hash TableStringSliding Window
Palindromic Substrings	Medium	72.5%	50.0%	Two PointersStringDynamic Programming
Permutations	Medium	81.6%	50.0%	ArrayBacktracking
Longest Palindromic Substring	Medium	37.3%	50.0%	Two PointersStringDynamic Programming
Count Primes	Medium	35.7%	50.0%	ArrayMathEnumeration+1

Showing 15 of 15 questions