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  1. s1 = []
  2. s2 = []
  3.  
  4. def enq(val):
  5. 	global s1, s2
  6. 	if len(s1) == 0:
  7. 		s1.append(val)
  8. 	else:
  9. 		s2.append(val)
  10. 		while len(s1) > 0:
  11. 			s2.append(s1.pop())
  12. 		s1, s2 = s2, s1
  13.  
  14. def empty():
  15. 	global s1, s2
  16. 	return len(s1) == 0 and len(s2) == 0
  17.  
  18. def deq():
  19. 	global s1, s2
  20. 	if empty():
  21. 		print("he's dead, jim")
  22. 	return s1.pop()
  23.  
  24. size = 5
  25.  
  26. for i in range(size):
  27. 	enq((i+1)*10)
  28.  
  29. for i in range(size):
  30. 	print(deq())
Success #stdin #stdout 0.1s 10088KB
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https://ideone.com/dINS88
language:
Python 3 (python  3.12)
created:
11 years ago
visibility:
public

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