练一下Spfa哈，输出让我纠结了_(:3」∠)_

买第一瓶不重复的概率是n/n，第二瓶是（n-1）/n,第三瓶是（n-2)/n，...第k瓶是(n-k)/n,分子分母反过来就是要买的瓶数，感谢@654321 数学大神！

妹的，大意了。算法是对的，然而居然因为细节WA 了，我真是有罪……本来是想进行一个优化少一些循环的，结果弄巧成拙……
都怪自己没有自己做数据就草率提交……

样例都跑不过的代码就A了

临考水题

微软亚洲研究院面试题。。。

这种数列有个特性，就是在原序列中任意删去两个不同的数，新序列中曾将超过50%的数仍超过50%

我只是想看看数据,没想到....

神喵乱入 (=ω=)
大家都把注意放在了奇怪的地方

想要猫QAQ

你们机房环境好宜居……居，居然还有一个萌物！！是你们的猫吗？
好可爱啊～～～抱来看看！！

小猫很萌啊

char数组的空格坑到我了，简直..
自己码的果然渣渣..码风..

mdzz 题上分明说了20个字母

徐蛋蛋表示选择死亡= =

第一次尽然错了。。。

70

40

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