View Compilation Error

0_0_37384519_29625.cpp: In function 'int main()':
0_0_37384519_29625.cpp:57:9: error: too many arguments to function 'void dfs(int)'
  dfs(1,0);
         ^
0_0_37384519_29625.cpp:43:6: note: declared here
 void dfs(int x)
      ^