0o.9. """ n a positive integer N, find and return the longest distance between two consecutive 1' in the binary representation of N. If there are not two consecutive 1's, return 0 For example: Input: 22 Output: 2 Explanation: 22 in binary is 10110 In the binary representation of 22, there are three ones, and two consecutive pairs of 1's. The first consecutive pair of 1's have distance 2. The second consecutive pair of 1's have distance 1. The answer is the largest of these two distances, which is 2 """

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter8: Arrays And Strings
Section: Chapter Questions
Problem 21PE
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0o.9.

"""
n a positive integer N, find and return the longest distance between two
consecutive 1' in the binary representation of N.
If there are not two consecutive 1's, return 0

For example:
Input: 22
Output: 2
Explanation:
22 in binary is 10110
In the binary representation of 22, there are three ones, and two consecutive pairs of 1's.
The first consecutive pair of 1's have distance 2.
The second consecutive pair of 1's have distance 1.
The answer is the largest of these two distances, which is 2
"""


# 原方法为 binary_gap,但通过实验发现算法有误,不论是什么数,输出值最多为2。
# 改进方法为binary_gap_improved。
# The original method is binary_gap,
# but the experimental results show that the algorithm seems to be wrong,
# regardless of the number, the output value is up to 2.
# The improved method is binary_gap_improved.
def binary_gap(N):.

 

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