olymmath

HMMT 2022 U18

  • Guts
  • Answer

Compute the number of permutations π\pi of the set {1,2,…,10}\{1,2, \ldots, 10\} so that for all (not necessarily distinct) m,n∈{1,2,…,10}m, n \in\{1,2, \ldots, 10\} where m+nm+n is prime, π(m)+π(n)\pi(m)+\pi(n) is prime.

Dataset text NuminaMath olympiads. Quoted with source.

Show the answer

4

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/2022/u18 · Tag X8MMSQ1W96 · Edit this page on GitHub · Keys: j next, k previous