View Compilation Error

0_0_39379936_14278.cpp:13:1: error: expected unqualified-id before '{' token
   13 | {
      | ^
0_0_39379936_14278.cpp: In function 'void dfs(int, int)':
0_0_39379936_14278.cpp:41:37: error: 'fun' was not declared in this scope
   41 |                         if(dep==0&&!fun(-1,i))continue;
      |                                     ^~~
0_0_39379936_14278.cpp:42:37: error: 'fun' was not declared in this scope
   42 |                         if(dep!=0&&!fun(A[dep-1].pos,i))continue;
      |                                     ^~~