Question 1

Minimum Bit Flips to Convert Number — persistent systems Interview Question

Accepted Answer

"Minimum Bit Flips to Convert Number" is a easy difficulty problem asked at persistent systems interviews. It covers the following topics: Bit Manipulation. You can practice it on LeetCode: https://leetcode.com/problems/minimum-bit-flips-to-convert-number

Question 2

Group Anagrams — persistent systems Interview Question

Accepted Answer

"Group Anagrams" is a medium difficulty problem asked at persistent systems interviews. It covers the following topics: Array, Hash Table, String, Sorting. You can practice it on LeetCode: https://leetcode.com/problems/group-anagrams

Question 3

Palindrome Number — persistent systems Interview Question

Accepted Answer

"Palindrome Number" is a easy difficulty problem asked at persistent systems interviews. It covers the following topics: Math. You can practice it on LeetCode: https://leetcode.com/problems/palindrome-number

Question 4

Valid Parentheses — persistent systems Interview Question

Accepted Answer

"Valid Parentheses" is a easy difficulty problem asked at persistent systems interviews. It covers the following topics: String, Stack. You can practice it on LeetCode: https://leetcode.com/problems/valid-parentheses

Question 5

Valid Anagram — persistent systems Interview Question

Accepted Answer

"Valid Anagram" is a easy difficulty problem asked at persistent systems interviews. It covers the following topics: Hash Table, String, Sorting. You can practice it on LeetCode: https://leetcode.com/problems/valid-anagram

Question 6

Maximum Subarray — persistent systems Interview Question

Accepted Answer

"Maximum Subarray" is a medium difficulty problem asked at persistent systems interviews. It covers the following topics: Array, Divide and Conquer, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/maximum-subarray

#	Question Title	Difficulty	Frequency	Topics
1	Minimum Bit Flips to Convert Number	EASY	100.0	Bit Manipulation
2	Group Anagrams	MEDIUM	84.6	ArrayHash TableString+1
3	Palindrome Number	EASY	73.2	Math
4	Valid Parentheses	EASY	73.2	StringStack
5	Valid Anagram	EASY	64.2	Hash TableStringSorting
6	Maximum Subarray	MEDIUM	64.2	ArrayDivide and ConquerDynamic Programming
7	Two Sum	EASY	64.2	ArrayHash Table
8	Longest Substring Without Repeating Characters	MEDIUM	64.2	Hash TableStringSliding Window
9	Longest Palindromic Substring	MEDIUM	64.2	Two PointersStringDynamic Programming
10	Merge Sorted Array	EASY	64.2	ArrayTwo PointersSorting

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