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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <string>
  4. #include <vector>
  5. #include <unordered_set>
  6.  
  7. using namespace std;
  8.  
  9. vector<string> findWords( const vector<string> &wordsToSearchIn, 
  10.                           const unordered_set<string> &wordsToReject )
  11. {
  12.     vector<string> result( wordsToSearchIn.size() )	;
  13.     auto pred = [wordsToReject]( const string &word )
  14. 				               {
  15. 				                   return wordsToReject.find( word ) == wordsToReject.end();
  16. 				               };
  17.  
  18.     auto it = copy_if( wordsToSearchIn.begin(),
  19.              		   wordsToSearchIn.end(),
  20.                        result.begin(),
  21.                        pred );
  22.  
  23.     result.resize( distance( result.begin(), it) );
  24.  
  25.     return result;
  26. }
  27.  
  28. int main() 
  29. {
  30. 	vector<string> wordsToSearchIn{ "siema", "herbata", "krzeslo" };
  31. 	unordered_set<string> wordsToReject{ "herbata" };
  32.  
  33. 	auto result = findWords( wordsToSearchIn, wordsToReject );
  34.  
  35. 	for( const auto &word : result )
  36. 		cout<<word<<"\n";
  37.  
  38. 	return 0;
  39. }
Success #stdin #stdout 0s 3464KB
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Standard input is empty
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siema
krzeslo
https://ideone.com/nyOyIs
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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