![8)](./images/smilies/icon_cool.gif)
The request is stated below:
Find a solution with no more than 10,000 operations to achieve the goal, i.e clean up the whole board.
What kind of searching stategy can have it done well???
![:roll:](./images/smilies/icon_rolleyes.gif)
By the way, the problem 197 is also complicated like this or even harder.
I guess the main ideas of them are similar.
Would anyone like give me some clues?Thanks.