static boolean isHeap ( int arr [ ] , int n ) {
  for ( int i = 0 ;
  i <= ( n - 2 ) / 2 ;
  i ++ ) {
    if ( arr [ 2 * i + 1 ] > arr [ i ] ) {
      return false ;
    }
    if ( 2 * i + 2 < n && arr [ 2 * i + 2 ] > arr [ i ] ) {
      return false ;
    }
  }
  return true ;
}

static boolean isHeap ( int arr [ ] , int n ) { for ( int i = 0 ; i <= ( n - 2 ) / 2 ; i ++ ) { if ( arr [ 2 * i + 1 ] > arr [ i ] ) { return false ; } if ( 2 * i + 2 < n && arr [ 2 * i + 2 ] > arr [ i ] ) { return false ; } } return true ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (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: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal))) right: (array_access array: (identifier) index: (identifier)))) consequence: (block (return_statement (false)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)) right: (identifier)) right: (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal))) right: (array_access array: (identifier) index: (identifier))))) consequence: (block (return_statement (false)))))) (return_statement (true))))