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题目坑爹，assumption根本不满足，WA的注意！！！（1）任何时候downloading.size()都不能大于N （2）要判断要pause的是不是downloading或waiting的，不是就忽略 （3）要判断continue的是不是paused的，不是就忽略 （4）要判断finish的是不是downloading的，不是就忽略 感觉这题存在的唯一价值就是可以练习用C++ template来减少代码重复。。。 Followed by: Post your reply here: |
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