并且 arc 的题解中给出了易于实现的 $O(n)$ 做法。
QOJ.ac
QOJ
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Discussion #717 for Problem #10693. Flappy Bird
Type: General Discussion
Status: Open
Posted by: Flamire
Posted at: 2026-01-15 12:53:38
Last updated: 2026-01-15 19:57:19
本题重题：arc001d
Comments
Qingyu
太可惜了。
- 2026-01-15 19:57:19