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  1. from math import gcd, ceil
  2.  
  3. t = int(input())
  4. while t>0:
  5. 	t-=1
  6. 	n = int(input())
  7. 	rebel = [int(i) for i in input().split(" ")]
  8. 	l, u = [int(i) for i in input().split(" ")] #army l u both inclusive
  9.  
  10. 	lcm = rebel[0]
  11. 	for i in rebel[1:]:
  12. 	  lcm = lcm*i//gcd(lcm, i)
  13.  
  14. 	m = ceil(l/lcm)
  15. 	n = u//lcm
  16. 	ans = u-l+1-(n-m+1)
  17. 	# print(lcm, n, m, ans)
  18. 	print (ans if ans>0 else 0)
  19.  
  20.  
Success #stdin #stdout 0.01s 27704KB
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https://ideone.com/WhBYff
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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