Software Engineer
Best Time to Buy and Sell Stock
You are given an array where each element represents the price of a stock on a given day. Write an algorithm to determine the maximum profit you can achieve by buying on one day and selling on another. Discuss the constraints and provide examples.
This question was asked in
ServiceNow Software Engineer Interview Experience
The interview process at ServiceNow consisted of four rounds with a focus on technical and behavioral assessments. Candidates faced a variety of coding questions related to data structures and algorithms in the first two rounds, followed by system design in the later stages. The interview overall was moderately challenging, requiring a solid understanding of data structures and conceptual knowledge in programming, especially JavaScript.