妈蛋，在线的时候忘记写greater 了...就说怎么过不了！

#include <iostream>

#include <functional>

#include <algorithm>

#include <vector>

#include <set>

using namespace std;

int main()

{

double m, n, a, b, c, e, x, y, z;

cin >> n >> m >> a >> b >> c >>e >> x >> y >> z;

set<double, greater<double> > pdn;

pdn.insert(x / (a + b));

pdn.insert(y / c);

pdn.insert(z / e);

int price = 0;

for (double d : pdn)

{

if ((d - (x / (a + b))) <= 0.0000001)

{

int min = std::min(n / a, m / b);

price += min*x;

n -= min*a;

m -= min*b;

}

else if ((d - (y / c)) <= 0.0000001)

{

int min = m / c;

price += min*y;

m -= min;

}

else

{

int min = n / e;

price += min*z;

n -= min;

}

}

cout << price;

system("PAUSE");

return 0;

}