@[SiuuuCR7](/user/1339828) <https://www.luogu.com.cn/problem/B2146>
by Dream_Creator @ 2024-04-13 17:41:21
@[Dream_Creator](/user/529722) 注意我的输出欧
by SiuuuCR7 @ 2024-04-13 19:16:18
@[SiuuuCR7](/user/1339828) 那不就 `%.2f` 输出吗
by Dream_Creator @ 2024-04-13 19:17:16