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  1. #include <iostream>
  2. #include <list>
  3. #include <vector>
  4. #include <utility>
  5. #include <cassert>
  6. #include <algorithm>
  7.  
  8. using namespace std;
  9.  
  10. struct Object {
  11.     int id;
  12. };
  13.  
  14. int main()
  15. {
  16. 	list<Object> objectList;
  17. 	list<int>    idList;
  18.  
  19. 	assert( objectList.size() == idList.size() );
  20. 	std::vector<std::pair<int,Object>> wrapper( idList.size() );
  21. 	auto idList_it     = std::begin( idList );
  22. 	auto objectList_it = std::begin( objectList );
  23. 	for( auto& e: wrapper )
  24.     	e = std::make_pair( *idList_it++, *objectList_it++ );
  25.  
  26. 	std::sort( wrapper.begin(), wrapper.end(),
  27. 	   [](const std::pair<int,Object>& a, const std::pair<int,Object>& b) -> bool
  28. 	   { return a.first<b.first; }
  29. 	);
  30.  
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/Sc83NX
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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