HW10: AI

URL:
http://3-dot-banqi-smg.appspot.com/

1. The response time of the AI is 0.75s.
2. The depth is 4. (Due to time limit, it may not reach that deep)
3. Since it's a imperfect game, each time before the AI caculates the
move, it first will caculate a full (perfect) state for following
caculation. (So the AI also have to guess...)