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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <string>
  4. #include <vector>
  5. #include <map>
  6.  
  7. using namespace std;
  8.  
  9. struct person
  10. {
  11.   string name;
  12.   string first_name;
  13.   unsigned age;
  14.   char gender;
  15. };
  16.  
  17. bool operator<(const person& lhs, const person& rhs)
  18. {
  19.   if(lhs.name < rhs.name) return true;
  20.   return lhs.first_name < rhs.first_name;
  21. }
  22.  
  23. ostream& operator<<(ostream& os, const person& dude)
  24. {
  25.   return os << dude.first_name << " " << dude.name << " " << dude.age << " " << dude.gender;
  26. }
  27.  
  28. struct registry
  29. {
  30.   vector<person> people;
  31.  
  32.   void print(string first_name)
  33.   {
  34.     for(vector<person>::iterator iter = people.begin(); iter != people.end(); ++iter)
  35.       if(iter->first_name == first_name)
  36.         cout << *iter << endl;
  37.   }
  38.  
  39.   void print_all()
  40.   {
  41.     for(vector<person>::iterator iter = people.begin(); iter != people.end(); ++iter)
  42.       cout << *iter << endl;
  43.   }
  44.  
  45.   void remove(string first_name, string name)
  46.   {
  47.     cout << "remove " << first_name << " " << name << endl;
  48.     for(vector<person>::iterator iter = people.begin(); iter != people.end(); ++iter)
  49.       if(iter->first_name == first_name && iter->name == name)
  50.       {
  51.         people.erase(iter);
  52.         return;
  53.       }
  54.   }
  55.  
  56.   void remove_all()
  57.   {
  58.     people.resize(0);
  59.   }
  60.  
  61.   void sort()
  62.   {
  63.     std::sort(people.begin(), people.end());
  64.   }
  65. };
  66.  
  67. void cmd_add(registry& reg, istream& in)
  68. {
  69.   cout << "cmd_add\n";
  70.  
  71.   person new_person;
  72.   in >> new_person.first_name;
  73.   in >> new_person.name;
  74.   in >> new_person.gender;
  75.   in >> new_person.age;
  76.  
  77.   reg.people.push_back(new_person);
  78. }
  79.  
  80. void cmd_print(registry& reg, istream& in)
  81. {
  82.   string filter;
  83.   in >> filter;
  84.   if(filter == "all")
  85.     reg.print_all();
  86.   else
  87.     reg.print(filter.c_str() + 10);
  88. }
  89.  
  90. void cmd_delete(registry& reg, istream& in)
  91. {
  92.   string filter;
  93.   in >> filter;
  94.   if(filter == "all")
  95.     reg.remove_all();
  96.   else
  97.   {
  98.     string second_filter;
  99.     in >> second_filter;
  100.     reg.remove(filter.c_str() + 10, second_filter.c_str() + 5);
  101.   }
  102. }
  103.  
  104. void cmd_sort(registry& reg, istream& in)
  105. {
  106.   reg.sort();
  107. }
  108.  
  109. int main()
  110. {
  111.   std::map<string, void (*)(registry&, istream&)> commands;
  112.   commands["add"] = cmd_add;
  113.   commands["print"] = cmd_print;
  114.   commands["delete"] = cmd_delete;
  115.   commands["sort"] = cmd_sort;
  116.  
  117.   registry reg;
  118.  
  119.   while(cin.good())
  120.   {
  121.     string command;
  122.     cin >> command;
  123.     commands[command](reg, cin);
  124.   }
  125. }
Success #stdin #stdout 0.01s 2880KB
comments (?)
stdin
copy 
add john doe M 35
add mary croskery F 21
add laurie lamour F 20
print all
print laurie
delete john doe
print mary
print all
sort
print all
stdout
copy 
cmd_add
cmd_add
cmd_add
john doe 35 M
mary croskery 21 F
laurie lamour 20 F
remove  
john doe 35 M
mary croskery 21 F
laurie lamour 20 F
laurie lamour 20 F
mary croskery 21 F
john doe 35 M
https://ideone.com/t4Sox
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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