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Grokking the Coding Interview Patterns in Go

Solution: Cherry Pickup

Explore a dynamic programming solution to the Cherry Pickup problem, where you determine the maximum cherries collectable on a grid with obstacles by simulating two synchronized paths. Learn how memoization helps optimize the search and understand the computational complexity involved.

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Statement

You are given an n×nn \times n grid representing a field of cherries. Each cell in the grid can have one of three possible values:

  • 00: An empty cell that can be walked through

  • 11: A cell containing a cherry that can be picked and then passed through

  • ...