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  1. # -*- coding:utf-8 -*-
  2.  
  3. #[1,1,5,8]から10を作る
  4. #『Nexus 7 : 10 Puzzle』――http://w...content-available-to-author-only...e.com/watch?v=JslkN8IulNA
  5.  
  6. def getope():
  7. 	ope = ['+','-','*','/']
  8. 	opelist = []
  9. 	for x in ope:
  10. 		for y in ope:
  11. 			for z in ope:
  12. 				#opes = unique([x,y,z])
  13. 				opes = [x,y,z]
  14. 				if(len(opes)==3):
  15. 					opelist.append(opes)
  16. 	return opelist
  17.  
  18. def getnum():
  19. 	num = [1,1,5,8]
  20. 	numlist=[]
  21. 	enu = range(len(num))
  22. 	for w in enu:
  23. 		for x in enu:
  24. 			for y in enu:
  25. 				for z in enu:
  26. 					nums = unique([w,x,y,z])
  27. 					if(len(nums)==4):
  28. 						numlist.append([str(float(num[a])) for a in nums])
  29. 	return numlist
  30.  
  31. def getparent():
  32. 	parlist=[]
  33. 	parlist.append(['(',')','','','','','',''])
  34. 	parlist.append(['(','','',')','','','',''])
  35. 	parlist.append(['(','','','','',')','',''])
  36. 	parlist.append(['(','','','','','','',')'])
  37. 	parlist.append(['','','(',')','','','',''])
  38. 	parlist.append(['','','(','','',')','',''])
  39. 	parlist.append(['','','(','','','','',')'])
  40. 	parlist.append(['','','','','(',')','',''])
  41. 	parlist.append(['','','','','(','','',')'])
  42. 	parlist.append(['','','','','','','(',')'])
  43. 	return parlist
  44.  
  45. def unique(old_list):
  46. 	new_list=[]
  47. 	for i in old_list:
  48. 		if i not in new_list:
  49. 			new_list.append(i)
  50. 	return new_list
  51.  
  52. def main():
  53. 	numlist = getnum()
  54. 	opelist = getope()
  55. 	parlist = getparent()
  56. 	for n in numlist:
  57. 		for o in opelist:
  58. 			for p in parlist:
  59. 				syn = p[0] + n[0] + p[1] + o[0] +p[2]+ n[1] +p[3]+ o[1] +p[4] + n[2] +p[5]+ o[2] +p[6] + n[3] + p[7]
  60. 				try:
  61. 					a = eval(syn)
  62. 				except ZeroDivisionError:
  63. 					pass
  64. 				if(a==10):
  65. 					print(syn+' = 10')
  66.  
  67. if(__name__=='__main__'):
  68. 	main()
Success #stdin #stdout 0.3s 7896KB
comments (?)
stdin 
Standard input is empty
stdout 
8.0/(1.0-1.0/5.0) = 10
8.0/(1.0-1.0/5.0) = 10
https://ideone.com/3uCMiY
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
public

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