static int countPerfectDivisors ( int n ) {
  int count = 0 ;
  for ( int i = 1 ;
  i * i <= n ;
  ++ i ) {
    if ( n % i == 0 ) {
      if ( isPerfectSquare ( i ) ) ++ count ;
      if ( n / i != i && isPerfectSquare ( n / i ) ) ++ count ;
    }
  }
  return count ;
}

static int countPerfectDivisors ( int n ) { int count = 0 ; for ( int i = 1 ; i * i <= n ; ++ i ) { if ( n % i == 0 ) { if ( isPerfectSquare ( i ) ) ++ count ; if ( n / i != i && isPerfectSquare ( n / i ) ) ++ count ; } } return count ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (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: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (method_invocation name: (identifier) arguments: (argument_list (identifier)))) consequence: (expression_statement (update_expression (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) right: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (identifier)))))) consequence: (expression_statement (update_expression (identifier)))))))) (return_statement (identifier))))