View Compilation Error

0_0_39595800_19271.cpp: In function 'void solve()':
0_0_39595800_19271.cpp:68:25: error: 'addedge' was not declared in this scope
   68 |                         addedge(i + 1, x);
      |                         ^~~~~~~
0_0_39595800_19271.cpp:72:17: error: 'dfs1' was not declared in this scope; did you mean 'dfs'?
   72 |                 dfs1(1, 0);
      |                 ^~~~
      |                 dfs
0_0_39595800_19271.cpp:73:17: error: 'dfs2' was not declared in this scope; did you mean 'dfs'?
   73 |                 dfs2(1, 1);
      |                 ^~~~
      |                 dfs