View Compilation Error

0_0_39469352_8486.cpp: In function 'void fl(long long int, long long int)':
0_0_39469352_8486.cpp:31:32: error: expected '}' at end of input
   31 |                 x = a[u] - 2;   //x
      |                              ^~~
0_0_39469352_8486.cpp:30:16: note: to match this '{'
   30 |         } else {
      |                ^
0_0_39469352_8486.cpp:31:32: error: expected '}' at end of input
   31 |                 x = a[u] - 2;   //x
      |                              ^~~
0_0_39469352_8486.cpp:25:23: note: to match this '{'
   25 | void fl(int u,int fa) {
      |                       ^