#include #include using namespace std; int main() { clock_t t = clock(); if (t == clock_t(-1)) { cerr << "sorry, no clock" << endl; exit(1); } vector v1; v1.reserve(100000); for (int i = 1; i <= 100000; ++i) v1.push_back(i); cout << "Time taken: " << clock() - t << endl; return 0; }