c++证伪了乘法分配律
by konyakest @ 2022-11-13 19:17:36
有没有可能是两数相乘爆炸了（没看过题，轻喷）
by liangbowen @ 2022-11-13 19:22:17
@[liangbowen](/user/367488) double乘不会炸吧
by konyakest @ 2022-11-13 19:24:58
实数乘法出现精度问题很正常
by WYXkk @ 2022-11-13 19:28:40
@[konyakest](/user/482660) 事实证明，我开 `long double` 就过了
by liangbowen @ 2022-11-13 19:29:23
[link](https://www.luogu.com.cn/record/93936981)
加了一个 `#define double long double`
by liangbowen @ 2022-11-13 19:30:02
@[konyakest](/user/482660) 浮点误差
[ac](/record/93937343)
by jijidawang @ 2022-11-13 19:30:51
感谢，刚踩坑
by wzc0926 @ 2023-02-16 17:16:34