Interview practice/prep course in Scala:
https://rockthejvm.com/p/scalafuncti...

Written tutorial: https://blog.rockthejvm.com/sudokuba...

In this video, we learn how to program a Sudoku solver in Scala using recursionbased backtracking. This backtracking approach is not Scalaspecific, though it can easily be adapted to other languages, including Java, Kotlin, etc

Contents:
0:00 intro and grabbing an example
2:44 printing a board
7:33 validating potential solutions
16:23 the backtracking algorithm

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