static int ncr ( int n , int r ) {
  return ( fact [ n ] / fact [ r ] ) / fact [ n - r ] ;
}

static int ncr ( int n , int r ) { return ( fact [ n ] / fact [ r ] ) / fact [ n - r ] ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (identifier)))))))