static int countUnsetBits ( int n ) {
  int cnt = 0 ;
  for ( int i = 1 ;
  i <= n ;
  i ++ ) {
    int temp = i ;
    while ( temp > 0 ) {
      if ( temp % 2 == 0 ) {
        cnt = cnt + 1 ;
      }
      temp = temp / 2 ;
    }
  }
  return cnt ;
}

static int countUnsetBits ( int n ) { int cnt = 0 ; for ( int i = 1 ; i <= n ; i ++ ) { int temp = i ; while ( temp > 0 ) { if ( temp % 2 == 0 ) { cnt = cnt + 1 ; } temp = temp / 2 ; } } return cnt ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (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: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))))) (return_statement (identifier))))