static int countPairs ( int arr1 [ ] , int arr2 [ ] , int m , int n , int x ) {
  int count = 0 ;
  for ( int i = 0 ;
  i < m ;
  i ++ ) {
    int value = x - arr1 [ i ] ;
    if ( isPresent ( arr2 , 0 , n - 1 , value ) ) count ++ ;
  }
  return count ;
}

static int countPairs ( int arr1 [ ] , int arr2 [ ] , int m , int n , int x ) { int count = 0 ; for ( int i = 0 ; i < m ; i ++ ) { int value = x - arr1 [ i ] ; if ( isPresent ( arr2 , 0 , n - 1 , value ) ) count ++ ; } return count ; }
(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) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (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: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))) (if_statement condition: (parenthesized_expression (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal) (binary_expression left: (identifier) right: (decimal_integer_literal)) (identifier)))) consequence: (expression_statement (update_expression (identifier)))))) (return_statement (identifier))))