Pick Several Elements From a Vector Randomly

//Pick Several Elements From a Vector Randomly

//A Sample

#include <iostream>  

#include <vector>  
#include <algorithm> 

using namespace std;

int main()
{
vector<int> v;


for (int i = 0; i < 10; ++i) {
v.push_back(i);
}


random_shuffle(v.begin(), v.end());


for (auto& it : v) {
cout << it << " ";
}


std::cout << "\n";
system("PAUSE");
return 0;
}