0_0_24723823_27082.cpp: In function 'void dfs_girl(int, int, int)':
0_0_24723823_27082.cpp:20:5: error: 'vis' was not declared in this scope
vis[x][y]=1;
^
0_0_24723823_27082.cpp: In function 'void dfs_cat(int, int, int)':
0_0_24723823_27082.cpp:36:5: error: 'vis' was not declared in this scope
vis[x][y]=1;
^
0_0_24723823_27082.cpp: In function 'int main()':
0_0_24723823_27082.cpp:62:16: error: 'vis' was not declared in this scope
memset(vis,0,sizeof(vis));
^
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