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Defines the skeleton of the algorithm in an operation while delaying some steps to subclasses. TemplateMethod allows subclasses to redefine certain steps of an algorithm without changing the structure of the algorithm.故事发生在非洲附近的大海上，主人公冷锋遭遇人生滑铁卢，被“开除军籍”，本想漂泊一生的他，正当他打算这么做的时候，一场突如其来的意外打破了他的计划，突然被卷入了一场非洲国家叛乱，本可以安全撤离，却因无法忘记曾经为军人的使命，孤身犯险冲回沦陷区，带领身陷屠杀中的同胞和难民，展开生死逃亡。随着斗争的持续，体内的狼性逐渐复苏，最终孤身闯入战乱区域，为同胞而战斗。In addition to solving the port problem of A, the serial number problem also needs to be paid attention to. The serial number corresponds to the sliding window. The fake TCP packet needs to be filled with the serial number. If the value of the serial number is not in the sliding window of B when it is sent to B before A, B will actively discard it. So we need to find the serial number that can fall into the sliding window between AB at that time. This can be solved violently, because the length of a sequence is 32 bits, and the value range is 0-4294967296. If the window size is like 65535 under Windows I caught in the above figure, I only need to divide, and I know that at most I only need to send 65537 (4294967296/65535=65537) packets to have a sequence number fall into the sliding window. The desired value can be calculated quickly by exhaustion on multiple control hosts.徐风忙笑道：不会不会。你去桌上，那壶水，你倒一杯喝了就好了。18岁的平凡女生杉菜考入理想大学却与同学们格格不入。学校里有四个外形阳光帅气，家境富裕的学生：道明寺，花泽类，西门和美作。仗义的杉菜与道明寺产生了争执，两人的误会加深。但杉菜凭借其杂草般顽强的生命力逐渐改变了这四个男生对其不好的印象，道明寺也因为在恶作剧杉菜的过程中爱上了杉菜......