HubSpot Interview Guide

You are given two sorted integer arrays. Merge the second array into the first one, maintaining the sorted order.

You're given two sorted lists. Combine them into a single sorted list containing all elements from both original lists.

You are given a collection of intervals. Merge all overlapping intervals into a single interval and return the result.

Find two numbers in a given array that add up to a specific target value, and return their indices. Essentially, you need to efficiently locate the pair that satisfies the sum requirement.

Find the substring that occurs the most within a given string, subject to length and character limit constraints. Return the maximum number of times this substring appears.

In a group of people, find the "celebrity": someone who is known by everyone else, but doesn't know anyone themselves. You are given a way to query whether two people know each other.

You are given a list of meeting time intervals. Determine the minimum number of conference rooms required to accommodate all the meetings without any overlap.

You are given k sorted lists. Combine all of their elements into a single sorted list and return it.

Find the k most frequent elements in a given array of numbers. Return the top k elements based on their frequency.

You are given an array of numbers and an integer 'k'. Find the k-th largest sum of all possible subsequences of the given array.