Use set_symmetric_difference() to get the difference between two lists : difference « Set Multiset « C++

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C++ » Set Multiset » differenceScreenshots 
Use set_symmetric_difference() to get the difference between two lists
  
#include <algorithm>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <string>
#include <vector>

using namespace std;

class PC
{
   public:
   enum part keyboard, mouse, monitor };

   PCpart a_part = PC::keyboard, int id = );
   bool operator<const PC& rhs const;

   void print() const;

   private:
   part part_;
   int id_;
};

inline
PC::PCpart a_part, int id : part_a_part ), id_id ){}

inline bool PC::operator<const PC& rhs const{  
   return id_ < rhs.id_; 
}

void PC::print() const {
   string component;
   ifpart_ == keyboard )
      component = "keyboard";
   else ifpart_ == mouse )
      component = "mouse";
   else
      component = "monitor";

   cout << "ID: " << setw<< left << id_ << " PC: " << component << endl;
}

int main( )
{
   list<PC> listA;
   listA.push_backPCPC::keyboard, ) );
   listA.push_backPCPC::mouse, ) );
   listA.push_backPCPC::monitor, ) );
   listA.push_backPCPC::keyboard, ) );
   listA.push_backPCPC::monitor, ) );

   list<PC> inspector_BlistA );
   inspector_B.front() = PCPC::mouse, );
   inspector_B.back() = PCPC::monitor, );

   // must sort before using set algorithms
   listA.sort();
   inspector_B.sort();

   for_eachlistA.begin(), listA.end(),mem_fun_ref&PC::print ) );

   for_eachinspector_B.begin(), inspector_B.end(),mem_fun_ref&PC::print ) );

   vector<PC> result;
   // make vector large enough to hold all inspected parts
   result.resizelistA.size() + inspector_B.size() );

   vector<PC>::iterator the_end = set_symmetric_differencelistA.begin(),listA.end(), inspector_B.begin(), inspector_B.end(),result.begin() );
   for_eachresult.begin(), the_end, mem_fun_ref&PC::print ) );
}
  
    
  
Related examples in the same category
1.Get the difference between two sets
2.Get the symmetric difference between two sets
3.set_difference and back_inserter
4.Use set_difference to get values from only one list
5.Create the symmetric difference between list1 and list2
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