// STL堆栈
#include <stack>
#include <vector>

int main() {
	using namespace std;

	// A stack of integers
	stack<int> stackIntegers;

	// A stack of doubles
	stack<double> stackDoubles;

	// A stack of doubles contained in a vector
	stack<double, vector<double> > stackDoublesInVector;

	return 0;
}