ds：https://codeforces.com/edu/course/2/lesson/7/3/practice/contest/289392/problem/B
dp：arc074e
计数：https://iai.sh.cn/problem/810 正解是分治
by 寒烟冷浅暮殇 @ 2024-04-15 00:43:25
ds还有p4587也很有意思
by 寒烟冷浅暮殇 @ 2024-04-15 00:54:08
dp的话还有p3412这道可爱的期望dp
by 寒烟冷浅暮殇 @ 2024-04-15 00:57:15
[NOI2017] 泳池
by ScatteredHope @ 2024-04-15 08:02:15
[集训队互测 2023] 落日珊瑚
by ZSH_ZSH @ 2024-04-15 09:30:17
@[zyxawa](/user/673294)
[P10325 超越（Transcendent）](https://www.luogu.com.cn/problem/P10325)（
by NaCly_Fish @ 2024-04-15 09:33:02
P9229 非常好玩！
by yummy @ 2024-04-15 09:52:13
P6827 三个愿望一次满足难度也不高
by pocafup @ 2024-04-15 12:05:14
@寒烟冷浅暮殇 @[ScatteredHope](/user/654546) @[ZSH_ZSH](/user/287850) @[NaCly_Fish](/user/115864) @[yummy](/user/101694) @[pocafup](/user/219099) 感谢
by zyxawa @ 2024-04-15 12:10:44