# L1-BinaryGap
###### tags: `Codility_lessons`
## Question
https://app.codility.com/programmers/lessons/1-iterations/binary_gap/
## Key
先將十進位轉到二進為，再用一個倒序的loop迭代和用快慢算子紀錄1，然後相減index，得到距離
## Reference
## Solution