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终于AC了,说说我遇到的问题(用了fflush函数的特别注意!)【附带一些测试数据】这一题看记录,我都写了一个月了,权重,分析,穷举3种方法都用了,所有见到过的测试数据都过了,就是没有发现问题。。。。 然后和同学讨论之下,发现是用了fflush函数清除缓冲,原来是为了防止有回车干扰而清除的,但是可能就像他说的“可能JUDGE是先一次性把数据都存进BUFF的,你一清,等于没开始做题就做完了...” 导致我一直没AC,去掉之后,权重和穷举都AC了。。。 唉,亏我写了那么多遍啊。。。。 后面是我收集的测试数据,不过这题真的不难,真的是细节啊。。。。 ---------------------------------------- 6 ABCD EFGH even ABCI EFJK up ABIJ EFGH even ABCD EFGH even ABCI EFJK down ABIJ EFGH even ABCD EFGK up EFDL ABGK up GHIJ EFDK up A B up B C down AC BD up A B even A C down E F even A B down B C up G E even ------------------------------------------ K is the counterfeit coin and it is light. K is the counterfeit coin and it is heavy. K is the counterfeit coin and it is light. B is the counterfeit coin and it is light. C is the counterfeit coin and it is heavy. B is the counterfeit coin and it is heavy. Followed by:
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