#include <iostream>
#include <set>
#include <vector>
#include <deque>
#include <algorithm>
#include <cmath>

using namespace std;

double Pow(double x, double y) {
	return pow(x, y);
}

int main() {
	set<int> myset = {3, 1, 25, 7, 12};
	deque<int> d;
	auto f = function<double (double, double)>(Pow);
	transform(myset.begin(), myset.end(),
		  back_inserter(d),
		  bind(f, placeholders::_1, 2));
	for (auto it : d) {
		cout << it << " ";
	}
	for (auto it : myset) {
		cout << it << " ";
	}
	cout << endl;
}