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  1. while s=gets
  2. 	h={}
  3. 	a,b=s.split(" ").map{|e| e.to_i}
  4. 	a=(a%b)*10
  5. 	i=0
  6. 	as=[]
  7. 	while true
  8. 		if a<b && a>0 then
  9. 			while a<b
  10. 				as<<0
  11. 				break if h.member?(a)
  12. 				h[a]=i
  13. 				a*=10
  14. 				i+=1
  15. 			end
  16. 		end
  17. 		break if h.member?(a%b)
  18. 		break if a==0
  19. 		as<<a/b
  20. 		a=a%b
  21. 		break if a==0
  22. 		h[a]=i
  23. 		i+=1
  24. 		a*=10
  25. 	end
  26. 	puts as.join("")
  27. 	if a!=0 then
  28. 		c=""
  29. 		as.size.times{|i|
  30. 			c+=(h[a%b]>i)?" ":"^"
  31. 		}
  32. 		puts c
  33. 	end
  34. end
Success #stdin #stdout 0.01s 6296KB
comments (?)
stdin
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1 3
10000 32768
1 11100
1 459550
stdout
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3
^
30517578125
0000
 ^^^
0000021760417
 ^^^^^^^^^^^^
https://ideone.com/myvy4a
language:
Ruby (ruby 2.5.5)
created:
1 year ago
visibility:
public

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