// 题目保证nums1的元素都在nums2中，无需额外判空
The maximum distance for a Wi-Fi extender varies depending on the model, but most can effectively extend your wireless signal between 800 and 2,500 square feet. Some high-end models may reach even farther, especially if they feature external antennas or are part of a mesh system with additional dedicated wireless access points.
，这一点在必应排名_Bing SEO_先做后付中也有详细论述
const bytesAvailable = totalBytes - offset;
Example: deleting a passkey in Bitwarden