#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
 
class flyer
{
    char *  _szType;
    int      _iPriority;
    public:
    char *  _szName;
    //add flyer data here (flight time? etc)
 
    //im not gonna write the CTORs or DTORs, since they'll be empty
    inline void SetPriority(int iP)
    {
         _iPriority = iP;
         if (iP == 0)
               _szType = "Gold";
         //add more if statements for the rest of the types
    }
    operator<(flyer const & RHS)
    {
        return _iPriority < RHS._iPriority;
    }
};
int main()
{
    vector <flyer> Flyers; //fill this vector with the data that needs to be processed
 
    //here's how to add to a vector
    flyer temp;
    temp._szName = "Fred";
    temp.SetPriority(0);
    Flyers.push_back(temp);
 
//now once it's all filled up...
//this will leverage off of the operator<
//and will sort in ascending order based on
//priority, with 0 being most important to process
   sort(Flyers.begin(), Flyers.end());
//now they can be processed in order with a for loop
for (unsigned int i(0); i < Flyers.size(); ++i)
{
     //add processing crap here.  Access members of the vector like this:
    Flyers[i]._szName = "Foo";
}      
}

stl_algo.h: In function `const _Tp& std::__median(const _Tp&, const _Tp&, const _Tp&) [with _Tp = flyer]':stl_algo.h:2484:   instantiated from `void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<flyer*, std::vector<flyer, std::allocator<flyer> > >, _Size = int]'
 
stl_algo.h:2555:   instantiated from `void std::sort(_RandomAccessIterator, _RandomAccessIterator) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<flyer*, std::vector<flyer, std::allocator<flyer> > >]'
 
CheckInLine.cpp:70:   instantiated from here
stl_algo.h:90: error: passing `const flyer' as `this' argument of `bool flyer::operator<(const flyer&)' discards qualifiers
 
stl_algo.h:91: error: passing `const flyer' as `this' argument of `bool flyer::operator<(const flyer&)' discards qualifiers
stl_algo.h:93: error: passing `const flyer' as `this' argument of `bool flyer::operator<(const flyer&)' discards qualifiers
stl_algo.h:97: error: passing `const flyer' as `this' argument of `bool flyer::operator<(const flyer&)' discards qualifiers
stl_algo.h:99: error: passing `const flyer' as `this' argument of `bool flyer::operator<(const flyer&)' discards qualifiers
 
flyer.h: At global scope:
 
flyer.h:22: warning: inline function `void flyer::SetPriority(int)' used but never defined
 
 
Execution terminated