Ptll 的计数题单

题单介绍

题解：[Luogu](https://www.luogu.com.cn/article/yqroqzi0) [Github](https://pt-ll.github.io/2026/03/14/%E7%BB%84%E5%90%88%E8%AE%A1%E6%95%B0%E8%AE%B0%E5%BD%95/)

题目列表

  • [NOI Online #2 入门组] 建设城市
  • [USACO24JAN] Cowmpetency G
  • 翻硬币
  • [ARC212C] ABS Ball
  • Tenzing and Random Operations