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  1. void subset(UMAP &transaction, const vector<PAIR> &pkhui_vec, VUMAP &hui, UTIL &min_u, const size_t &topk)
  2. {
  3.     TOPKLIST huilist;
  4. 	for(vector<PAIR>::const_iterator pit = pkhui_vec.begin(); pit != pkhui_vec.end(); ++pit)
  5. 	{
  6. 		if(pit->second < min_u)
  7. 			break;
  8. 		UTIL util = 0;
  9. 		for(vector<ID>::const_iterator it = pit->first.begin(); it != pit->first.end(); ++it)
  10. 		{
  11. 			if(transaction.find(*it) != transaction.end())
  12. 				util += transaction[*it];
  13. 			else
  14. 			{
  15. 				util = 0;
  16. 				break;
  17. 			}
  18. 		}
  19. 		if( util !=0)
  20. 			hui[pit->first] += util;
  21. 		if(hui[pit->first] >= min_u) // profiler顯示這行佔的比例最大
  22. 		{
  23. 			huilist.push(hui[pit->first]);
  24. 			raise_border_min_util(min_u, topk, huilist);
  25. 		}
  26. 	}
  27. }
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https://ideone.com/WsOe5Q
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
secret

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