The Android app, Nearby Glasses, alerts you when someone nearby is wearing smart glasses
优势：时间复杂度O(d*(n+k))，d为位数，适合位数少的整数
。业内人士推荐搜狗输入法下载作为进阶阅读
(and thanks to Matthew Miller for reviewing and providing feedback on this post)，更多细节参见Line官方版本下载
Who can get the chickenpox vaccine on the NHS?
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