g0201_0300.s0201_bitwise_and_of_numbers_range

Class Solution

java.lang.Object

g0201_0300.s0201_bitwise_and_of_numbers_range.Solution

public class Solution
extends Object

201 - Bitwise AND of Numbers Range.

Medium

Given two integers left and right that represent the range [left, right], return the bitwise AND of all numbers in this range, inclusive.

Example 1:

Input: left = 5, right = 7

Output: 4

Example 2:

Input: left = 0, right = 0

Output: 0

Example 3:

Input: left = 1, right = 2147483647

Output: 0

Constraints:

• 0 <= left <= right <= 231 - 1

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
int	rangeBitwiseAnd(int left, int right)

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

rangeBitwiseAnd

public int rangeBitwiseAnd(int left,
                           int right)