Function curtime

code/other/simulated_annealing.cpp:1–2

double curtime() {
  return static_cast<double>(clock()) / CLOCKS_PER_SEC; }
int simulated_annealing(int n, double seconds) {
  uniform_real_distribution<double> randfloat(0.0, 1.0);
  uniform_int_distribution<int> randint(0, n - 2);