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  1. def main():
  2. 	n = int(input())
  3. 	k = int(input())
  4. 	arr = [int(input()) for _ in range (n)]
  5.  
  6. 	mp = {}
  7. 	for i in range(n):
  8. 		if arr[i] in mp and i-mp[arr[i]]<=k:
  9. 			print('yes')
  10. 			return
  11. 		mp[arr[i]]= i
  12. 	print('no')
  13. 	return
  14.  
  15. if __name__=="__main__":
  16. 	main()
Success #stdin #stdout 0.11s 14084KB
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6
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1
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stdout
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yes
https://ideone.com/7Is3i1
language:
Python 3 (python  3.12)
created:
2 hours ago
visibility:
public

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