static void power_2 ( ) {
  long ans = 1 ;
  for ( int i = 0 ;
  i < MAX ;
  i ++ ) {
    pow2 [ i ] = ans ;
    ans *= 2 ;
  }
}

static void power_2 ( ) { long ans = 1 ; for ( int i = 0 ; i < MAX ; i ++ ) { pow2 [ i ] = ans ; ans *= 2 ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) 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 (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal)))))))