olymmath

HMMT 2004 E4

  • General 1
  • Answer

How many ways can you mark 8 squares of an 8×88 \times 8 chessboard so that no two marked squares are in the same row or column, and none of the four corner squares is marked? (Rotations and reflections are considered different.)

Dataset text NuminaMath olympiads. Quoted with source.

Show the answer

21600

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.

Add a solution

Similar problems

These problems have the most words in common with this statement.

Locator hmmt/2004/e4 · Tag VN07SBAMMY · Edit this page on GitHub · Keys: j next, k previous