Function main

Miscellaneous/Gray Code.cpp:15–20

property: g(i) = g(i - 1) ^ (1 << lsb(i))

// property: g(i) = g(i - 1) ^ (1 << lsb(i))
int32_t main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  
  return 0;
}