static int countSteps ( String s ) {
  String check = "ACTG" ;
  int steps = 0 ;
  for ( int i = 0 ;
  i < s . length ( ) ;
  i ++ ) {
    int val = Math . abs ( check . charAt ( i ) - s . charAt ( i ) ) ;
    steps += Math . min ( val , 26 - val ) ;
  }
  return steps ;
}

static int countSteps ( String s ) { String check = " ACTG " ; int steps = 0 ; for ( int i = 0 ; i < s . length ( ) ; i ++ ) { int val = Math . abs ( check . charAt ( i ) - s . charAt ( i ) ) ; steps += Math . min ( val , 26 - val ) ; } return steps ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (binary_expression left: (decimal_integer_literal) right: (identifier)))))))) (return_statement (identifier))))