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Grokking the Coding Interview Patterns in Go

Solution: Dungeon Game

Let's solve the Dungeon Game problem using the Dynamic Programming pattern.

We'll cover the following...

Statement

A group of demons has captured a princess and locked her in the bottom-right corner of a dungeon. The dungeon is represented as a 2D grid of size m×nm × n, where each cell contains an integer value that affects the knight’s health.

The knight, starting in the top-left corner of the grid, must travel through the dungeon to rescue the princess.
He can move only to the right or downward at each step.

  • If a cell contains a negative integer, it represents a demon that decreases the knight’s health.

  • If a cell contains zero, it is an empty room with no effect.

  • If a cell contains a positive integer, it represents a magic orb that increases the knight’s health.

The knight begins his journey with an initial health point (HP) represented by a ...

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