static int longestFibonacciSubsequence ( int arr [ ] , int n ) {
  HashSet < Integer > hash = new HashSet < Integer > ( ) ;
  createHash ( hash , Arrays . stream ( arr ) . max ( ) . getAsInt ( ) ) ;
  int answer = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( hash . contains ( arr [ i ] ) ) {
      answer ++ ;
    }
  }
  return answer ;
}

static int longestFibonacciSubsequence ( int arr [ ] , int n ) { HashSet < Integer > hash = new HashSet < Integer > ( ) ; createHash ( hash , Arrays . stream ( arr ) . max ( ) . getAsInt ( ) ) ; int answer = 0 ; for ( int i = 0 ; i < n ; i ++ ) { if ( hash . contains ( arr [ i ] ) ) { answer ++ ; } } return answer ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments (type_identifier))) arguments: (argument_list)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (method_invocation object: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))) (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: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier))))) consequence: (block (expression_statement (update_expression (identifier))))))) (return_statement (identifier))))