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  1. #include <iostream>
  2. #include <memory>
  3. #include <list>
  4.  
  5. class Record{
  6.     private:
  7.         int value;
  8.     public:
  9.     Record(int value){
  10.         this->value=value;
  11.     }
  12.     int getValue(){
  13.         return this->value;
  14.     }
  15. };
  16.  
  17.  
  18. void printSize(std::list<std::shared_ptr<Record>> list){
  19.     long size=0;
  20.     for (std::shared_ptr<Record> record: list)
  21.     {
  22.         size+=sizeof(record.get());
  23.     }
  24.     std::cout<<"size of list: "<<size<<std::endl;
  25.  
  26. }
  27. void printList(std::list<std::shared_ptr<Record>> list){
  28.     std::cout<<"List: ";
  29.     for (std::shared_ptr<Record> record: list)
  30.     {
  31.          std::cout<<record.get()->getValue()<<" ,";
  32.     }
  33.     std::cout<<std::endl;
  34.  
  35. }
  36.  
  37. int main(){
  38.     std::list<std::shared_ptr<Record>> list;
  39.     for (size_t i = 0; i < 20; i++)
  40.     {
  41.        list.push_back(std::make_shared<Record>(Record((int)i)));
  42.     }
  43.     printList(list);
  44.     printSize(list);
  45.     std::cout<<"Removing 10"<<std::endl;
  46.     list.remove_if([](std::shared_ptr<Record> rec){return rec.get()->getValue()==10;});
  47.      printList(list);
  48.     printSize(list);
  49. }
Success #stdin #stdout 0.01s 5292KB
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stdin
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Standard input is empty
stdout
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List: 0 ,1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,
size of list: 160
Removing 10
List: 0 ,1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,
size of list: 152
https://ideone.com/iPFf5j
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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