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  1. def general_permutation(x, m, result=[])
  2. if m.all?{|n| n == 0 }
  3. p result
  4. else
  5. (m.length).times{|i|
  6. if m[i] > 0
  7. m[i] -= 1
  8. general_permutation(x, m, result+[x[i]])
  9. m[i] += 1
  10. end
  11. }
  12. end
  13. end
  14.  
  15. x = [1,2,3,4,5]
  16. m = [1,1,1,1,1]
  17. general_permutation(x, m)
  18.  
Success #stdin #stdout 0.02s 9784KB
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stdin
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Standard input is empty
stdout
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[1, 2, 3, 4, 5]
[1, 2, 3, 5, 4]
[1, 2, 4, 3, 5]
[1, 2, 4, 5, 3]
[1, 2, 5, 3, 4]
[1, 2, 5, 4, 3]
[1, 3, 2, 4, 5]
[1, 3, 2, 5, 4]
[1, 3, 4, 2, 5]
[1, 3, 4, 5, 2]
[1, 3, 5, 2, 4]
[1, 3, 5, 4, 2]
[1, 4, 2, 3, 5]
[1, 4, 2, 5, 3]
[1, 4, 3, 2, 5]
[1, 4, 3, 5, 2]
[1, 4, 5, 2, 3]
[1, 4, 5, 3, 2]
[1, 5, 2, 3, 4]
[1, 5, 2, 4, 3]
[1, 5, 3, 2, 4]
[1, 5, 3, 4, 2]
[1, 5, 4, 2, 3]
[1, 5, 4, 3, 2]
[2, 1, 3, 4, 5]
[2, 1, 3, 5, 4]
[2, 1, 4, 3, 5]
[2, 1, 4, 5, 3]
[2, 1, 5, 3, 4]
[2, 1, 5, 4, 3]
[2, 3, 1, 4, 5]
[2, 3, 1, 5, 4]
[2, 3, 4, 1, 5]
[2, 3, 4, 5, 1]
[2, 3, 5, 1, 4]
[2, 3, 5, 4, 1]
[2, 4, 1, 3, 5]
[2, 4, 1, 5, 3]
[2, 4, 3, 1, 5]
[2, 4, 3, 5, 1]
[2, 4, 5, 1, 3]
[2, 4, 5, 3, 1]
[2, 5, 1, 3, 4]
[2, 5, 1, 4, 3]
[2, 5, 3, 1, 4]
[2, 5, 3, 4, 1]
[2, 5, 4, 1, 3]
[2, 5, 4, 3, 1]
[3, 1, 2, 4, 5]
[3, 1, 2, 5, 4]
[3, 1, 4, 2, 5]
[3, 1, 4, 5, 2]
[3, 1, 5, 2, 4]
[3, 1, 5, 4, 2]
[3, 2, 1, 4, 5]
[3, 2, 1, 5, 4]
[3, 2, 4, 1, 5]
[3, 2, 4, 5, 1]
[3, 2, 5, 1, 4]
[3, 2, 5, 4, 1]
[3, 4, 1, 2, 5]
[3, 4, 1, 5, 2]
[3, 4, 2, 1, 5]
[3, 4, 2, 5, 1]
[3, 4, 5, 1, 2]
[3, 4, 5, 2, 1]
[3, 5, 1, 2, 4]
[3, 5, 1, 4, 2]
[3, 5, 2, 1, 4]
[3, 5, 2, 4, 1]
[3, 5, 4, 1, 2]
[3, 5, 4, 2, 1]
[4, 1, 2, 3, 5]
[4, 1, 2, 5, 3]
[4, 1, 3, 2, 5]
[4, 1, 3, 5, 2]
[4, 1, 5, 2, 3]
[4, 1, 5, 3, 2]
[4, 2, 1, 3, 5]
[4, 2, 1, 5, 3]
[4, 2, 3, 1, 5]
[4, 2, 3, 5, 1]
[4, 2, 5, 1, 3]
[4, 2, 5, 3, 1]
[4, 3, 1, 2, 5]
[4, 3, 1, 5, 2]
[4, 3, 2, 1, 5]
[4, 3, 2, 5, 1]
[4, 3, 5, 1, 2]
[4, 3, 5, 2, 1]
[4, 5, 1, 2, 3]
[4, 5, 1, 3, 2]
[4, 5, 2, 1, 3]
[4, 5, 2, 3, 1]
[4, 5, 3, 1, 2]
[4, 5, 3, 2, 1]
[5, 1, 2, 3, 4]
[5, 1, 2, 4, 3]
[5, 1, 3, 2, 4]
[5, 1, 3, 4, 2]
[5, 1, 4, 2, 3]
[5, 1, 4, 3, 2]
[5, 2, 1, 3, 4]
[5, 2, 1, 4, 3]
[5, 2, 3, 1, 4]
[5, 2, 3, 4, 1]
[5, 2, 4, 1, 3]
[5, 2, 4, 3, 1]
[5, 3, 1, 2, 4]
[5, 3, 1, 4, 2]
[5, 3, 2, 1, 4]
[5, 3, 2, 4, 1]
[5, 3, 4, 1, 2]
[5, 3, 4, 2, 1]
[5, 4, 1, 2, 3]
[5, 4, 1, 3, 2]
[5, 4, 2, 1, 3]
[5, 4, 2, 3, 1]
[5, 4, 3, 1, 2]
[5, 4, 3, 2, 1]
https://ideone.com/gzfZ4P
配列全パターン　配列xにパターンを入れて下さい。
配列mに同じ数だけ重複度なしの場合は1を入れます。
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
secret

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