Technical Interview Techniques: Dynamic Programming

Dynamic Programming is a technique we can apply to difficult questions that ask us to maximize a value given many options or constraints.

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Technical Interview Problems: Dynamic Programming
Lesson 1 of 1
  1. 1

    Dynamic programming is an optimization strategy for designing algorithms. The technique is beneficial for technical interviews because solving problems with an optimal big O runtime will improve yo...

  2. 2

    Storing answers to sub-problems is an essential aspect of dynamic programming. Let's explore why this is the case. The Fibonacci Sequence is a series of numbers where the next number equals the ...

  3. 3

    The Fibonacci sequence is a perfect case to apply dynamic programming. Each Fibonacci number relies on two previous numbers, and those numbers never change. We have overlapping sub-problems! W...

  4. 4

    Dynamic programming is especially helpful for problems where there are many different options and we have a particular goal we're trying to maximize. For the sake of learning, we're going to imagi...

  5. 5

    Our brute force approach is inefficient! We're compounding work by creating many different combinations that contain the same items. Just like with Fibonacci, we're repeating computations that won'...

  6. 6

    With our grid built, we only need to fill it in to find our optimal value. Remember: each column is the capacity of a knapsack and each row is an item we can add. The first row is "no item" and the...

  7. 7

    Dynamic programming is a technique to optimize solutions for problems which have a structure that involves repeated, identical computations. For dynamic programming to work, it's essential that t...

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Technical Interview Techniques: Dynamic Programming

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