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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <algorithm>
  5. using namespace std;
  6.  
  7. class Person
  8. {
  9. 	string first;
  10.     string last;
  11.     int age;
  12.  
  13. public:
  14. 	Person(string first_name, string last_name, int the_age);
  15.  
  16. 	string getFirstName() const { return first; }
  17. 	string getLastName() const { return last; }
  18.     int getAge() const { return age; }
  19. };
  20.  
  21. Person::Person(string first_name, string last_name, int the_age){
  22. 	first = first_name;
  23. 	last = last_name;
  24. 	age = the_age;
  25. } 
  26.  
  27. int main()
  28. {
  29. 	vector<Person> people;
  30. 	people.emplace_back("Joe", "Smoe", 25);
  31. 	people.emplace_back("John", "Cool-Johnson", 15);
  32. 	people.emplace_back("Paul", "Bob", 1000);
  33.  
  34. 	vector<string> names;
  35. 	names.reserve(people.size());
  36.  
  37. 	for(const Person &p : people) {
  38. 	    names.push_back(p.getFirstName());
  39. 	}
  40.  
  41. 	auto max_name = max_element(
  42. 	    names.begin(), names.end(),
  43. 	    [](const string &a, const string &b){
  44.     	    return a.size() < b.size();
  45.     	}
  46. 	)->size();
  47.  
  48. 	cout << max_name;
  49.  
  50. 	return 0;
  51. }
Success #stdin #stdout 0s 5504KB
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https://ideone.com/ZUCG7Y
language:
C++ 4.3.2 (gcc-4.3.2)
created:
4 years ago
visibility:
public

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