View Compilation Error

0_0_20844461_11703.cpp: In function 'void dfs(int, int, int, int)':
0_0_20844461_11703.cpp:23:48: error: 'cmapp' was not declared in this scope
   if(xx>=0 && yy>=0 && xx<n && yy<m && time>0&&cmapp[fl][xx][yy]!='*')
                                                ^