View Compilation Error

0_0_37834460_6142.cpp: In function 'int main()':
0_0_37834460_6142.cpp:67:10: error: too many arguments to function 'void dfs(int)'
   dfs(1,0);
          ^
0_0_37834460_6142.cpp:19:6: note: declared here
 void dfs(int x)
      ^