#include <iostream>
#include <string>
#include <functional>
#include <vector>
#include <algorithm>using namespace std;//内建仿函数-关系仿函数
// 使用内建函数对象的时候，需要引入头文件 functionalvoid printVector(vector<int>v)
{for (vector<int>::iterator it = v.begin(); it != v.end(); it++){cout << *it << "  ";}cout << endl;
}void test01()
{vector<int>v;v.push_back(12);v.push_back(122);v.push_back(2);v.push_back(1);v.push_back(102);printVector(v);//12  122  2  1  102//大于 greatersort(v.begin(), v.end(), greater<int>());printVector(v);//122  102  12  2  1//小于lesssort(v.begin(), v.end(), less<int>());printVector(v);//1  2  12  102  122}int main()
{	test01();system("pause");return 0;
}