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Compute Constant and Search Computer with backdoor
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ghostbrain
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Jun 10, 2005, 6:41:19 AM
6/10/05
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今日问题:计算机与数学理论的结合
问题1:如何计算用计算机在较短时间内计算出一些常数,如e,pi,sin(36度),等,要求精度可以达到小数点后至少1000位。
问题2:已知某人在互连网上的某台机器中植入了一个木马后门,其他机器上没有这个后门,现在我想通过扫描找到这台有后门的机器。不考虑具体实现,请你尽可能发挥想象,结合数学理论等相关知识设计出一个比较合理的算法。
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