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  1. def choose(m)
  2.     self.factorial / (m.factorial * (self - m).factorial)
  3.   end
  4.   def fact (n)
  5. 	if n <	2
  6. 	return 1 
  7. 	end
  8.     (2..n).inject(1) { |f, n| f * n }
  9.   end
  10.  
  11. t = gets.to_i
  12. while t > 0 
  13.  
  14. s = gets.chomp
  15. n = s.length
  16. count = []
  17. (0..n-1).each { |i|
  18. count << s.count(s[i])
  19. }
  20. deno = 1
  21. (1..n).each{ |i|
  22. deno = deno * fact(count[i])
  23. }
  24. puts "#{fact(n)/deno}"
  25. t= t - 1
  26. end
Runtime error #stdin #stdout 0s 4760KB
comments (?)
stdin 
4
ab
aa
aA
AAbaz
stdout 
Standard output is empty
https://ideone.com/eupvL
language:
Ruby (ruby 2.5.5)
created:
14 years ago
visibility:
public

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