View Compilation Error

0_0_32744470_32544.cpp: In function 'bool god(int, int)':
0_0_32744470_32544.cpp:21:27: error: 'visit' was not declared in this scope
  if(x>=0&&y>=0&&x<n&&y<m&&visit[x][y]&&map[x][y]!='*')return 1;
                           ^
0_0_32744470_32544.cpp: In function 'int bfs()':
0_0_32744470_32544.cpp:40:13: error: 'y' was not declared in this scope
    if(god(x,y)){
             ^