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  1. import math
  2. for _ in range(int(input())):
  3. 	a, b = map(int, input().split())
  4. 	x = max(a,b)
  5. 	b = min(a,b)
  6. 	li = [1, 2, 5]
  7. 	y = 0
  8. 	if x == b:
  9. 		print(0)
  10. 	elif x in li:
  11. 		print(1)
  12. 	else:
  13. 		if x-b > 5:
  14. 			y = math.floor((x-b)/5)
  15. 			if y*5 != x:
  16. 				z = (x-a)%5
  17. 				if z == 4 or z == 3:
  18. 					print(y+2)
  19. 				else:
  20. 					print(y+1)
  21. 		elif x-b>2:
  22. 			print(2)
  23. 		else:
  24. 			print(1)
Success #stdin #stdout 0.02s 9184KB
comments (?)
stdin
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8
0 4
4 0
3 2
2 3
2 10
5 5
0 1
0 6
stdout
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2
2
1
1
3
0
1
2
https://ideone.com/q72TWo
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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