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0_0_30160832_11548.cpp:47:1: error: stray '\241' in program
 int gx,gy,mx,my,n,m,step;　　//记录坐标，这里的step指的是GF走的步数，应该理解成走了多少单位时间
 ^
0_0_30160832_11548.cpp:47:1: error: stray '\241' in program
0_0_30160832_11548.cpp:47:1: error: stray '\241' in program
0_0_30160832_11548.cpp:47:1: error: stray '\241' in program
0_0_30160832_11548.cpp:48:1: error: stray '\241' in program
 pair<int,int>cur,z[2];　　//z用来记录幽灵位置
 ^
0_0_30160832_11548.cpp:48:1: error: stray '\241' in program
0_0_30160832_11548.cpp:48:1: error: stray '\241' in program
0_0_30160832_11548.cpp:48:1: error: stray '\241' in program
0_0_30160832_11548.cpp:62:5: error: stray '\241' in program
     while(len--){　　//注意这里不是搜完，因为是多次搜索，只需要把当前步骤行进完就行了
     ^
0_0_30160832_11548.cpp:62:5: error: stray '\241' in program
0_0_30160832_11548.cpp:62:5: error: stray '\241' in program
0_0_30160832_11548.cpp:62:5: error: stray '\241' in program