@[yaodiguoan](/user/1023793) 线段树被卡常了呗。为什么不用 ST 表呢？
by xiaoshumiao @ 2024-01-27 12:27:16
WA on #11 这句话是认真的吗。
by xiaoshumiao @ 2024-01-27 12:27:38
@[xiaoshumiao](/user/1008513) 啊打错了
by danlao @ 2024-01-27 12:28:18
@[yaodiguoan](/user/1023793) 试试快读？题面中给了。
by xiaoshumiao @ 2024-01-27 12:28:50
@[xiaoshumiao](/user/1008513) 快读和`scanf`、`printf`哪个快啊？
by danlao @ 2024-01-27 12:29:51
@[xiaoshumiao](/user/1008513) 我全程用`scanf`和`printf`的
by danlao @ 2024-01-27 12:30:40
@[yaodiguoan](/user/1023793) 一般情况下：cin $<$ scanf $<$ 关同步的 cin $<$ 快读
by xiaoshumiao @ 2024-01-27 12:31:29
@[xiaoshumiao](/user/1008513) 那我试试
by danlao @ 2024-01-27 12:32:10
@[xiaoshumiao](/user/1008513) [AC了](https://www.luogu.com.cn/record/144599851)，谢谢！
by danlao @ 2024-01-27 12:34:29