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// nth_element example
#include <iostream> // std::cout
#include <algorithm> // std::nth_element, std::random_shuffle
#include <vector> // std::vector
bool myfunction (int i,int j) { return (i<j); }
int main () {
std::vector<int> myvector;
// set some values:
for (int i=1; i<10; i++) myvector.push_back(i); // 1 2 3 4 5 6 7 8 9
std::random_shuffle (myvector.begin(), myvector.end());
// using default comparison (operator <):
std::nth_element (myvector.begin(), myvector.begin()+5, myvector.end());
// using function as comp
std::nth_element (myvector.begin(), myvector.begin()+5, myvector.end(),myfunction);
// print out content:
std::cout << "myvector contains:";
for (std::vector<int>::iterator it=myvector.begin(); it!=myvector.end(); ++it)
std::cout << ' ' << *it;
std::cout << '\n';
return 0;
}
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