1. (03/09 11:55 am)	Bonus project: 
Implement a strategy for the computer in a single-player Battleship game.
The player will play with the computer and the computer uses the strategy
that you design. Please contact me (gangqu@umd.edu) by Friday March 16 if
you are interested in doing this bonus project. 

2. (03/17 8:45 am) Location of the ships:
As stated in the project description, all ships are from left to right or
top to bottom. So the first point of the ship is always either on the left
or on the top. The sample input files follow this rule, so will the test
files that we will use to grade your project.