View Compilation Error

0_0_39669212_14199.cpp: In function 'void solve()':
0_0_39669212_14199.cpp:103:12: error: too few arguments to function 'void dfs(int, int)'
  103 |         dfs(1);
      |         ~~~^~~
0_0_39669212_14199.cpp:21:6: note: declared here
   21 | void dfs(int x,int dad){
      |      ^~~