Slope Trick 题目列表 序列 sequence [BalticOI 2004] Sequence (Day1) [NOISG 2018 Finals] Safety [CTSC2009] 序列变换 [SEERC 2020] Archeologists [ICPC 2023 Nanjing R] 红黑树 [ARC070E] NarrowRectangles [ABC217H] Snuketoon [USACO21JAN] Minimum Cost Paths P [OOI 2025] The arithmetic exercise [APIO2016] 烟花表演 [THUPC 2024 初赛] 一棵树 [USACO25JAN] Watering the Plants P A New Beginning