In a 5x5 chessboard with a queen of one color (white, say) on the perimeter, one can place 12 black queens on the board such that none of the black queens can attack the white one (or vice versa).
Write a function that returns the number of queens that cannot attack a queen of the other color placed anywhere on the perimeter of an nxn chessboard.
Solve

Solution Stats

139 Solutions

83 Solvers

Last Solution submitted on Sep 03, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers83

TL Luke Hills Lorenzo Christopher

Suggested Problems

More from this Author328

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!