g1001_1100.s1009_complement_of_base_10_integer

Class Solution

java.lang.Object

g1001_1100.s1009_complement_of_base_10_integer.Solution

public class Solution
extends Object

1009 - 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, return 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:

• 0 <= n < 109

Note: This question is the same as 476: https://leetcode.com/problems/number-complement/

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
int	bitwiseComplement(int n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

bitwiseComplement

public int bitwiseComplement(int n)