static int countPairs ( int [ ] arr1 , int [ ] arr2 , int m , int n , int x ) {
  int count = 0 ;
  for ( int i = 0 ;
  i < m ;
  i ++ ) for ( int j = 0 ;
  j < n ;
  j ++ ) if ( ( arr1 [ i ] + arr2 [ j ] ) == x ) 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 ++ ) for ( int j = 0 ; j < n ; j ++ ) if ( ( arr1 [ i ] + arr2 [ j ] ) == x ) count ++ ; return count ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (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: (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: (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) right: (identifier))) consequence: (expression_statement (update_expression (identifier)))))) (return_statement (identifier))))