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201. Bitwise AND of Numbers Range

Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of all numbers in this range, inclusive.

Example 1:

Input: [5,7]
Output: 4

Example 2:

Input: [0,1]
Output: 0

Difficulty:

Medium

Lock:

Normal

Company:

Unknown

Solution(Chinese):

LEETCODE 201. Bitwise AND of Numbers Range 解题思路分析