https://www.luogu.com.cn/paste/whn37x19
你借鉴一下吧
by Mitchellyi @ 2024-02-26 21:13:19
@[Mitchellyi](/user/762538) 谢谢
by Kelly_1 @ 2024-02-28 11:06:59
@[Mitchellyi](/user/762538) 已经解决了，是有个变量没用double声明
by Kelly_1 @ 2024-02-28 11:32:03