Solução: Problema do colecionador de moedas (Paulo Cesar)

#include<iostream>

1. include<vector>
2. include<algorithm>

using namespace std;

class Market { public:

 Market();
 int find_max_seals();

private:

 vector<int> _seals;
 int _money;

};

Market:: Market() {

 _money = 0;

 int size;
 cin >> size;
 for(int cont = 0; cont < size; cont++)
 {
   int value;
   cin >> value;
   _seals.push_back(value);
 }

 cin >> size;
 for(int cont = 0; cont < size; cont++)
 {
   int name;
   cin >> name;
   _money += _seals[name];
 }  

}

int Market:: find_max_seals() {

 sort(_seals.begin(),_seals.end());
 int value = 0, quant = 0;
 while(value <= _money)
 {
   value+=_seals[quant];
   if(value <= _money)
     quant++;
 }
 return quant;

}

int main() {

 Market market = Market();
 cout << market.find_max_seals() << endl;
 return 0;

}