#include <iostream>
using namespace std;
#include <vector>
#include <algorithm>
class myPrint {
public:
void operator()(int val) {
cout << val << " ";
}
};
void test01() {
vector<int> v1;
vector<int> v2;
for (int i = 0; i < 10; i++) {
v1.push_back(i);
v2.push_back(i+5);
}
vector<int> vTarget;
vTarget.resize(min(v1.size(), v2.size()));
vector<int>::iterator itEnd =
set_intersection(v1.begin(), v1.end(), v2.begin(), v2.end(), vTarget.begin());
for_each(vTarget.begin(), itEnd, myPrint());
cout << endl;
}
int main() {
test01();
return 0;
}