PYTHON PROBLEM 160 · Intermediate

Count N-Queens solutions: Five-queen board

Count solutions for the next board size to exercise more branches.

Base case → make a smaller choice → recurse → undo if neededN-Queensbacktracking

PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests count n-queens solutions. It belongs to the Recursion and Backtracking roadmap and uses the base case → make a smaller choice → recurse → undo if needed pattern.

Understand base cases, shrinking subproblems, recursive search, and choice-and-undo backtracking.

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INTERVIEW CONTEXT

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