编辑代码

#include <iostream>
using namespace std;
#include <algorithm>
#include <vector>

class myPrint {
public:
	void operator()(int val) {
		cout << val << " ";
	}
};

void test01() {
	vector<int> v;
	v.push_back(10);
	v.push_back(30);
	v.push_back(50);
	v.push_back(20);
	v.push_back(40);

    cout << "反转前: " << endl;
	for_each(v.begin(), v.end(), myPrint());
	cout << endl;

    cout << "反转后: " << endl;
    reverse(v.begin(), v.end());
	for_each(v.begin(), v.end(), myPrint());
	cout << endl;

}

int main() {
    test01();
	return 0;
}