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  1. #include <iostream>
  2. #include <string>
  3. #include <map>
  4.  
  5. struct Person {
  6.     std::string name;
  7.     std::string surname;
  8.     Person(const std::string& nm, const std::string& snm)
  9.         :name{ nm }, surname{ snm }
  10.     {}
  11.     friend 
  12.         std::ostream& operator<<(std::ostream& out, const Person& person)
  13.     {
  14.         return out << person.name << ", " << person.surname << ": ";
  15.     }
  16. };
  17.  
  18. struct Account {    
  19.     std::string bankName;
  20.     double balance;
  21.     Account(const std::string& bnm, double bal)
  22.         :bankName{ bnm }, balance{ bal }
  23.     {}
  24.     friend
  25.         std::ostream& operator<<(std::ostream& out, const Account& account)
  26.     {
  27.         return out << "Nazwa banku: " << account.bankName
  28.             << ", saldo: " << account.balance;
  29.     }
  30. };
  31.  
  32. struct AccCmp {
  33.     bool operator()(const Person& left, const Person& right) {
  34.         if (left.surname < right.surname)
  35.             return true;
  36.         else if (left.surname == right.surname && left.name < right.name)
  37.             return true;
  38.         else
  39.             return false;
  40.     }
  41. };
  42.  
  43. void printAccounts(const std::map<Person, Account, AccCmp>& coll)
  44. {
  45.     for (auto const& item : coll) {
  46.         std::cout << item.first << item.second << '\n';
  47.     }
  48. }
  49.  
  50. int main()
  51. {
  52.     std::map<Person, Account, AccCmp> accounts{
  53.         {Person{"John", ""}, Account{"PKO", 1200}},
  54.         {Person{"Marry", "Mm"}, Account{"BGZ", 1500}},
  55.         {Person{"Marry", "Mmm"}, Account{"BGZ", 1800}},
  56.         {Person{"Kevin", ""}, Account{"BPH", 2236.16}},
  57.         {Person{"Antonio", ""}, Account{"BRE", 111.23}}
  58.     };
  59.     printAccounts(accounts);
  60. }
Success #stdin #stdout 0s 3468KB
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stdin
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Standard input is empty
stdout
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Antonio, : Nazwa banku: BRE, saldo: 111.23
John, : Nazwa banku: PKO, saldo: 1200
Kevin, : Nazwa banku: BPH, saldo: 2236.16
Marry, Mm: Nazwa banku: BGZ, saldo: 1500
Marry, Mmm: Nazwa banku: BGZ, saldo: 1800
https://ideone.com/FUOSEa
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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