C++ 詳解 (含解題想法)
https://www.tseng-school.com/2026/02/09/apcs/apcs202510/#%E7%AC%AC%E4%BA%8C%E9%A1%8C-%E8%88%AA%E7%A9%BA%E6%8B%8D%E7%85%A7%E5%9C%96-ZeroJudge-r489