• Given a set of letters, count all possible palindromes, using all of those letters.
  • For example, if the set is {'A' 'A' 'A'} then the number is 1.
  • If the set is {'A 'A' 'B'} then the number is 1.
  • If the set is {'A' 'B' 'C'} then the number is 0.

Solution Stats

70 Solutions

31 Solvers

Last Solution submitted on May 25, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments
Loading...