static int countRectangles ( int radius ) {
  int rectangles = 0 ;
  int diameter = 2 * radius ;
  int diameterSquare = diameter * diameter ;
  for ( int a = 1 ;
  a < 2 * radius ;
  a ++ ) {
    for ( int b = 1 ;
    b < 2 * radius ;
    b ++ ) {
      int diagnalLengthSquare = ( a * a + b * b ) ;
      if ( diagnalLengthSquare <= diameterSquare ) {
        rectangles ++ ;
      }
    }
  }
  return rectangles ;
}

static int countRectangles ( int radius ) { int rectangles = 0 ; int diameter = 2 * radius ; int diameterSquare = diameter * diameter ; for ( int a = 1 ; a < 2 * radius ; a ++ ) { for ( int b = 1 ; b < 2 * radius ; b ++ ) { int diagnalLengthSquare = ( a * a + b * b ) ; if ( diagnalLengthSquare <= diameterSquare ) { rectangles ++ ; } } } return rectangles ; }
(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))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (decimal_integer_literal) right: (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (identifier)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (decimal_integer_literal) right: (identifier))) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (decimal_integer_literal) right: (identifier))) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (update_expression (identifier))))))))) (return_statement (identifier))))