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  1. def g(p1,p2,a,b)
  2. 	as=[]
  3. 	[a,p1,p2].each{|e|
  4. 		as<<e.zip(b).map{|e2| e2[0]-e2[1]}
  5. 	}
  6. 	e1=as[0]
  7. 	e2=as[1]
  8. 	e3=as[2]
  9. 	t=e1[0]*(e2[1]*e3[2]-e3[1]*e2[2])+e1[1]*(e2[0]*e3[2]-e2[2]*e3[0])+e1[2]*(e2[0]*e3[1]-e3[0]*e2[1])
  10. 	return (t<=0)?0:1
  11. end
  12. def f()
  13. 	return gets.split(" ").map{|e| e.to_i}
  14. end
  15. a=f()
  16. b=f()
  17. cs=[]
  18. ds=[0,0]
  19. 3.times{
  20. 	cs<<f()
  21. }
  22. 3.times{|i|
  23. 	ds[g(cs[i],cs[(i+1)%3],a,b)]+=1
  24. }
  25. ans="HIT"
  26. p ds
  27. ans="MISS" if ds[0]==3
  28. puts ans
Success #stdin #stdout 0.01s 6416KB
comments (?)
stdin
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-10 6 6
10 6 6
0 10 0
0 10 10
0 0 10
stdout
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[0, 3]
HIT
https://ideone.com/HMOKxF
language:
Ruby (ruby 2.5.5)
created:
1 year ago
visibility:
public

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