static void dfs ( int u , int parent ) {
  timein [ u ] = ++ timer ;
  ;
}

static void dfs ( int u , int parent ) { timein [ u ] = ++ timer ; ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (update_expression (identifier))))))