Hubspot Interview Questions — 10 DSA Problems

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

Most frequently asked Hubspot LeetCode questions for software engineering interviews.

• Merge Sorted Array (EASY) — Array, Two Pointers, Sorting
• Merge Two Sorted Lists (EASY) — Linked List, Recursion
• Two Sum (EASY) — Array, Hash Table
• Merge Intervals (MEDIUM) — Array, Sorting
• Maximum Number of Occurrences of a Substring (MEDIUM) — Hash Table, String, Sliding Window
• Find the Celebrity (MEDIUM) — Two Pointers, Graph, Interactive
• Meeting Rooms II (MEDIUM) — Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue), Prefix Sum
• Top K Frequent Elements (MEDIUM) — Array, Hash Table, Divide and Conquer, Sorting, Heap (Priority Queue), Bucket Sort, Counting, Quickselect
• Merge k Sorted Lists (HARD) — Linked List, Divide and Conquer, Heap (Priority Queue), Merge Sort
• Find the K-Sum of an Array (HARD) — Array, Sorting, Heap (Priority Queue)