#include <set> #include <vector> #include <iostream> #include <boost/timer.hpp> #include <boost/lexical_cast.hpp> struct compare { bool operator()(int* x, int* y) { return *x < *y; } }; int main(int argc, char const* const argv[]) { std::size_t niters = argc < 2 ? 1000 : boost::lexical_cast<std::size_t>(argv[1]); boost::timer t; std::vector<int> v; for (int n = 0; n < niters; ++n) { v.insert(v.begin() + v.size()/2, n); } std::cout << "vector fill: " << t.elapsed() << std::endl; std::multiset<int*,compare> m; for (int n = 0; n < niters; ++n) { m.insert(&v[n]); } std::cout << "map fill 1: " << t.elapsed() << std::endl; for (int n = 0; n < niters; ++n) { m.insert(&v[n]); } std::cout << "map fill 2: " << t.elapsed() << std::endl; }