View Compilation Error

0_0_30469769_11714.cpp: In function 'int main()':
0_0_30469769_11714.cpp:98:18: error: too many arguments to function 'void dfs(int)'
         dfs(1,0,1);
                  ^
0_0_30469769_11714.cpp:20:6: note: declared here
 void dfs(int x)
      ^