POJ3309，三星机试类似题

由于要参加三星研究院（已通过技术面，人事面）的机试（主要考察DFS,BFS搜索算法，c++只能使用iostream头文件），萌新上路。

Description
On Planet MM-21, after their Olympic games this year, curling is getting popular. But the rules are somewhat different from ours. The game is played on an ice game board on which a square mesh is marked. They use only a single stone. The purpose of the game is to lead the stone from the start to the goal with the minimum number of moves.
Fig. 1 shows an example of a game board. Some squares

POJ3309，三星机试类似题最先出现在Python成神之路。