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  1. import sys
  2. from enum import Enum
  3.  
  4. class TringleSideTypes (Enum) :
  5. 	Invalid = 0
  6. 	Equilateral = 1
  7. 	Isosceles = 2
  8. 	Scalene = 3
  9.  
  10. class TringleAngleTypes (Enum) :
  11. 	Invalid = 0
  12. 	Right = 1
  13. 	Obtuse = 2
  14. 	Acute = 3
  15.  
  16. def tringleType(a, b, c) :
  17. 	if c<a :
  18. 		(a, c) = (c, a)
  19. 	if c<b :
  20. 		(c, b) = (b, c)
  21. 	if b<a :
  22. 		(b, a) = (a, b)
  23.  
  24. 	sideResult = TringleSideTypes.Invalid
  25. 	angleResult = TringleAngleTypes.Invalid
  26. 	if c >= a + b :
  27. 		return sideResult, angleResult
  28.  
  29. 	epsilon = abs(b) * 2*sys.float_info.epsilon
  30. 	if abs(a-b)<epsilon or abs(c-b)<epsilon :
  31. 		sideResult = TringleSideTypes.Isosceles
  32. 		if abs(a-c)<=epsilon :
  33. 			sideResult = TringleSideTypes.Equilateral
  34. 			angleResult = TringleAngleTypes.Acute
  35. 			return sideResult, angleResult
  36. 	else :
  37. 		sideResult = TringleSideTypes.Scalene
  38.  
  39. 	pitagoras = a*a + b*b - c*c
  40. 	epsilon = c*c * 6*sys.float_info.epsilon
  41. 	if abs(pitagoras)<=epsilon :
  42. 		angleResult = TringleAngleTypes.Right
  43. 	else :
  44. 		angleResult = (pitagoras>0) and TringleAngleTypes.Acute or TringleAngleTypes.Obtuse
  45.  
  46. 	return sideResult, angleResult
  47.  
  48. def brokenTringleType(a, b, c) :
  49. 	if c<a :
  50. 		(a, c) = (c, a)
  51. 	if c<b :
  52. 		(c, b) = (b, c)
  53. 	if b<a :
  54. 		(b, a) = (a, b)
  55.  
  56. 	sideResult = TringleSideTypes.Invalid
  57. 	angleResult = TringleAngleTypes.Invalid
  58. 	if c >= a + b :
  59. 		return sideResult, angleResult
  60.  
  61. 	if a==b or c==b :
  62. 		sideResult = TringleSideTypes.Isosceles
  63. 		if a==c :
  64. 			sideResult = TringleSideTypes.Equilateral
  65. 			angleResult = TringleAngleTypes.Acute
  66. 			return sideResult, angleResult
  67. 	else :
  68. 		sideResult = TringleSideTypes.Scalene
  69.  
  70. 	if a*a + b*b == c*c :
  71. 		angleResult = TringleAngleTypes.Right
  72. 	else :
  73. 		angleResult = (a*a + b*b > c*c) and TringleAngleTypes.Acute or TringleAngleTypes.Obtuse
  74.  
  75. 	return sideResult, angleResult
  76.  
  77.  
  78. for data in sys.stdin:
  79. 	data = data.split()
  80. 	a = float(data[0])
  81. 	b = float(data[1])
  82. 	c = float(data[2])
  83. 	result = tringleType(a, b, c)
  84. 	brokenResult = brokenTringleType(a, b, c)
  85. 	if result[0]!=brokenResult[0] or result[1]!=brokenResult[1] :
  86. 		print(a, b, c, result[0], result[1], brokenResult[0], brokenResult[1])
  87.  
Success #stdin #stdout 0.04s 10368KB
comments (?)
stdin
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4 5 3
0.5 0.4 0.3
0.05 0.04 0.03
5 12 13
1.3 0.5 1.2
1.0 0.4 0.55
3.0 3.0 3.0
5 3 5
7 7 13
7 7.1 13
stdout
copy 
0.05 0.04 0.03 TringleSideTypes.Scalene TringleAngleTypes.Right TringleSideTypes.Scalene TringleAngleTypes.Obtuse
1.3 0.5 1.2 TringleSideTypes.Scalene TringleAngleTypes.Right TringleSideTypes.Scalene TringleAngleTypes.Obtuse
https://ideone.com/OcrNYW
Triangle type calculate
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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