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Understanding the Mechanics of The Interview Question

Don't hate me... and PLEASE don't skip this video. Let's walk through Fibonacci together as a way of understanding how interviewers will flex and extend a single question to dig into your brain.

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OK let’s see if you’re chilled out and focused enough to tackle the tougher problems ahead. In this video I’m going to walk you through the dumbest of interview questions but I’m going to do it from the perspective of the interviewer.

It’s critical that you understand what it is they’re trying to find out and how they’ll use these questions to dig into your problem solving abilities.

And here’s a super critical tip: almost no one gets these things right the first time. As you’re about to see - the goal is not to get the question right, it’s to show the interviewer how you approach and try to solve a problem.

Here’s another super critical tip: people that aren’t qualified for a job get the most defensive and angry. Your interviewer will be looking for this!

  • Get to Know Big-O

    It's a thing you'll need to know if you plan to get through any interview. It's actually quite useful and in this post I'll hopefully make the case that's it's simple as well.

  • Getting Past the Screener

    Before you get to the white board you'll likely have to pass an introductory screening interview - a short call (or in person meeting) to suss out what you know.

  • Databases: How Would You Implement...?

    Screener questions tend to have a bit more broad and, typically, based on your experience... sometimes not. Think about how you would answer this one about databases.

  • JavaScript: What Time Is It?

    Sometimes a potential interviewer will 'cosplay' with you - pretending that you work at the company and seeing how you might solve one of their realworld problems.

  • Your Interview Mindset

    You're not going to make it through this section unless you have the right frame of mind. Simply wanting a job isn't enough - you need to calm yourself and focus.

  • Understanding the Mechanics of The Interview Question

    Don't hate me... and PLEASE don't skip this video. Let's walk through Fibonacci together as a way of understanding how interviewers will flex and extend a single question to dig into your brain.

  • Practice: Stock Price Calculation

    This is a real interview question that comes straight from Amazon. You'll be writing this one by hand so remember your strategies.

  • Practice Question: Product of All Numbers But This

    A straightforward problem that, at first, seems daunting - until you break it down and apply the strategies you know.

  • Practice Question: Smallest Range of K Lists

    This is a tough one and you might struggle with it some. If you do, practice speaking aloud to get help from the interviewer.

  • Jon Skeet: Creating a C# Linter

    Another traditional question: create a linter for X language. This is more about parsing a string and remembering where you are within it.

  • Jon Skeet: Falling From Great Heights

    Not all interview questions have to do with code - some are purely logical, designed to see how you would try and solve a really, really hard problem. Skeet couldn't figure this one out...

  • Jon Skeet: Binary Tree Troubles

    It's a rule of interviews: 'ask a binary tree question' and that's exactly what I do in this video with Jon. Traversing in different ways, trying to balance along the way.

  • Jon Skeet: Creating a Queue from Scratch

    This is another very popular question from larger companies, and requires you to be familiar with linked lists, arrays and stacks.

  • Jon Skeet: Anagram Checker

    Let's end things with one that's a bit simpler - creating a string walking function that evaluates anagrams.

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