Every day a Leetcode
题目来源:201. 数字范围按位与
最直观的解决方案就是迭代范围内的每个数字,依次执行按位与运算,得到最终的结果,但此方法在 [left, right] 范围较大的测试用例中会因超出时间限制而无法通过,因…
A survey study on trust-based security in Internet of Things: Challenges and issues 文章目录 a b s t r a c t1. Introduction2. Related work3. IoT security from the one-stop dimension3.1. Output data related security3.1.1. Confidentiality3.1.2. Authenticity …