Define < operator in order to use the sort method
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
using namespace std;
class Employee {
string name;
unsigned number;
public:
Employee() { name = ""; number = 0; }
Employee(string n, unsigned num) {
name = n;
number = num;
}
string get_name() { return name; }
unsigned get_number() { return number; }
};
void show(vector<Employee> vect) {
vector<Employee>::iterator itr;
for(itr=vect.begin(); itr != vect.end(); ++itr)
cout << itr->get_number() << " " << itr->get_name() << endl;;
}
bool operator<(Employee a, Employee b){
return a.get_number() < b.get_number();
}
int main()
{
vector<Employee> employeeList;
employeeList.push_back(Employee("A", 9));
employeeList.push_back(Employee("B", 8));
employeeList.push_back(Employee("C", 6));
employeeList.push_back(Employee("D", 1));
show(employeeList);
sort(employeeList.begin(), employeeList.end());
show(employeeList);
return 0;
}
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