Question 1

Count Vowel Substrings of a String — Commvault Interview Question

Accepted Answer

"Count Vowel Substrings of a String" is a easy difficulty problem asked at Commvault interviews. It covers the following topics: Hash Table, String. You can practice it on LeetCode: https://leetcode.com/problems/count-vowel-substrings-of-a-string

Question 2

Decode Ways — Commvault Interview Question

Accepted Answer

"Decode Ways" is a medium difficulty problem asked at Commvault interviews. It covers the following topics: String, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/decode-ways

Question 3

Reach a Number — Commvault Interview Question

Accepted Answer

"Reach a Number" is a medium difficulty problem asked at Commvault interviews. It covers the following topics: Math, Binary Search. You can practice it on LeetCode: https://leetcode.com/problems/reach-a-number

Question 4

Longest Increasing Subsequence — Commvault Interview Question

Accepted Answer

"Longest Increasing Subsequence" is a medium difficulty problem asked at Commvault interviews. It covers the following topics: Array, Binary Search, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/longest-increasing-subsequence

Question 5

Number of Longest Increasing Subsequence — Commvault Interview Question

Accepted Answer

"Number of Longest Increasing Subsequence" is a medium difficulty problem asked at Commvault interviews. It covers the following topics: Array, Dynamic Programming, Binary Indexed Tree, Segment Tree. You can practice it on LeetCode: https://leetcode.com/problems/number-of-longest-increasing-subsequence

Question 6

Reverse Nodes in k-Group — Commvault Interview Question

Accepted Answer

"Reverse Nodes in k-Group" is a hard difficulty problem asked at Commvault interviews. It covers the following topics: Linked List, Recursion. You can practice it on LeetCode: https://leetcode.com/problems/reverse-nodes-in-k-group

#	Question Title	Difficulty	Frequency	Topics
1	Count Vowel Substrings of a String	EASY	100.0	Hash TableString
2	Decode Ways	MEDIUM	92.9	StringDynamic Programming
3	Reach a Number	MEDIUM	92.9	MathBinary Search
4	Longest Increasing Subsequence	MEDIUM	86.5	ArrayBinary SearchDynamic Programming
5	Number of Longest Increasing Subsequence	MEDIUM	82.5	ArrayDynamic ProgrammingBinary Indexed Tree+1
6	Reverse Nodes in k-Group	HARD	77.6	Linked ListRecursion
7	Count Unreachable Pairs of Nodes in an Undirected Graph	MEDIUM	77.6	Depth-First SearchBreadth-First SearchUnion Find+1
8	Rotating the Box	MEDIUM	62.2	ArrayTwo PointersMatrix
9	Longest Palindromic Substring	MEDIUM	62.2	Two PointersStringDynamic Programming
10	Find Peak Element	MEDIUM	62.2	ArrayBinary Search

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