static int combinedSum ( String s ) {
  int n = s . length ( ) ;
  int c_sum = 0 ;
  int range = ( 1 << n ) - 1 ;
  for ( int i = 0 ;
  i <= range ;
  i ++ ) c_sum += findSubSequence ( s , i ) ;
  return c_sum ;
}

static int combinedSum ( String s ) { int n = s . length ( ) ; int c_sum = 0 ; int range = ( 1 << n ) - 1 ; for ( int i = 0 ; i <= range ; i ++ ) c_sum += findSubSequence ( s , i ) ; return c_sum ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier))) right: (decimal_integer_literal)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier)))))) (return_statement (identifier))))