Question 1

How many LeetCode questions does Persistent Systems ask in interviews?

Accepted Answer

Persistent Systems has 9 known LeetCode interview questions. The difficulty breakdown is 5 Easy, 4 Medium, and 0 Hard problems.

Question 2

What are the most common topics in Persistent Systems coding interviews?

Accepted Answer

The most frequently asked topics at Persistent Systems are Array (5 questions), String (5 questions), Hash Table (3 questions), Sorting (2 questions), Dynamic Programming (2 questions). Focus on these topics to maximize your preparation.

Question 3

How should I prepare for a Persistent Systems coding interview?

Accepted Answer

Start with the most frequently asked Persistent Systems problems on CodeJeet, sorted by frequency. Focus on Easy difficulty first since Persistent Systems asks 4 Medium problems. Practice the top topics: Array, String, Hash Table.

Title	Difficulty	Acceptance	Frequency	Topics
Minimum Bit Flips to Convert Number	Easy	87.8%	100.0%	Bit Manipulation
Longest Common Prefix	Easy	47.1%	80.2%	ArrayStringTrie
Valid Parentheses	Easy	43.7%	74.0%	StringStack
Group Anagrams	Medium	72.2%	74.0%	ArrayHash TableString+1
Two Sum	Easy	57.1%	74.0%	ArrayHash Table
Maximum Subarray	Medium	53.0%	65.2%	ArrayDivide and ConquerDynamic Programming
Merge Sorted Array	Easy	54.4%	65.2%	ArrayTwo PointersSorting
Longest Palindromic Substring	Medium	37.4%	65.2%	Two PointersStringDynamic Programming
Longest Substring Without Repeating Characters	Medium	38.5%	65.2%	Hash TableStringSliding Window

Persistent Systems

Difficulty Distribution

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