45-minute phone interview.
You are given an expression like this: "2 3 * 4 + 23 * 6 -". The format is operand first and operator last.
Your task is to evaluate the expression to ((2*3)+4) * 23 - 6.
First, you can assume the input string is always valid and try to solve it.
Follow-up question: How to deal with invalid input?
The following metrics were computed from 3,728 interview experiences for the Google Software Engineer role in United States.
Google's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Google's Software Engineer interview process in United States.