开o(2)吧!
by Mgmh @ 2021-08-04 07:25:31
可以试试卡常
1.for 循环变量 int -> **register int**.
2.cout + buff -> **cout.tie(NULL)**.
3.~~然后不知道了.~~
by Saka_Noa @ 2021-08-04 07:42:34
补[卡常](https://baike.baidu.com/item/%E5%8D%A1%E5%B8%B8%E6%95%B0/16211104?fr=aladdin)
by Saka_Noa @ 2021-08-04 07:43:23
@[A1_gmh](/user/400890) O2优化开了啊,不行
by Incin @ 2021-08-04 18:06:04
@[洛谷_刘某某](/user/498612) 这个之前没听过啊,我试试
by Incin @ 2021-08-04 18:08:03