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Re:有没有迭代做的啊？In Reply To:有没有迭代做的啊？ Posted by:TAdashi at 2018-01-19 10:08:26 这题迭代死活A不了。和二分的代码对拍了，是精度问题（虽然精度已经到1e-10了）。 二分取下界A取上界WA。数据不太好。 另：如果全零比例是零，不知道这里有没有坑。 Followed by:
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