Complement of Base 10 Integer

Easy

The complement of an integer is the integer you get when you flip all the 0 's to 1 's and all the 1 's to 0 's in its binary representation.

For example, The integer 5 is "101" in binary and its complement is "010" which is the integer 2 .

Given an integer n , produce its complement .

Example 1

Input: n = 5

Output: 2

Explanation: 5 is "101" in binary, with complement "010" in binary, which is 2 in base-10.

Example 2

Input: n = 7

Output: 0

Explanation: 7 is "111" in binary, with complement "000" in binary, which is 0 in base-10.

Example 3

Input: n = 10

Output: 5

Explanation: 10 is "1010" in binary, with complement "0101" in binary, which is 5 in base-10.

Constraints