Commvault Interview Questions — 11 DSA Problems

11 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked Commvault LeetCode questions for software engineering interviews.

• Count Vowel Substrings of a String (EASY) — Hash Table, String
• Decode Ways (MEDIUM) — String, Dynamic Programming
• Reach a Number (MEDIUM) — Math, Binary Search
• Longest Increasing Subsequence (MEDIUM) — Array, Binary Search, Dynamic Programming
• Number of Longest Increasing Subsequence (MEDIUM) — Array, Dynamic Programming, Binary Indexed Tree, Segment Tree
• Reverse Nodes in k-Group (HARD) — Linked List, Recursion
• Count Unreachable Pairs of Nodes in an Undirected Graph (MEDIUM) — Depth-First Search, Breadth-First Search, Union Find, Graph
• Rotating the Box (MEDIUM) — Array, Two Pointers, Matrix
• Longest Palindromic Substring (MEDIUM) — Two Pointers, String, Dynamic Programming
• Find Peak Element (MEDIUM) — Array, Binary Search
• Add Two Numbers (MEDIUM) — Linked List, Math, Recursion