15谜问题，用C语言开发的一个小程序，可以自动判断由出事状态是否能够到达最终状态，如果能的话将给出具体的行走路径。-15 Mysteries of the problem, using C language to develop a small program, you can automatically determine whether a state from the accident to reach the final state, if so will give concrete walking path.