阅读目录 1. 题目2. 解题思路3. 代码实现 1. 题目 2. 解题思路
假设我们以 f[d][nums[i]]表示以 nums[i] 为结尾元素间距为 d 的等差数列的最大长度,那么,如果 nums[i]-d 也存在于 nums 数组中,则有: f [ d ] [ n u m s [ i ] ] …
rfc793原文 If the connection is in any non-synchronized state (LISTEN,SYN-SENT, SYN-RECEIVED), and the incoming segment acknowledgessomething not yet sent (the segment carries an unacceptable ACK), orif an incoming segment has a security level or compart…