2025年7月18日
用高精度时钟以防被 hack
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posted @ 2025-07-18 15:47 chu_yh 阅读(5) 评论(0) 推荐(0)
No Hack Hash in unordered
摘要： C++ has always had the convenient data structures std::set and std::map, which are tree data structures whose operations take \(O(\log n)\) time. With 阅读全文
posted @ 2025-07-18 07:49 chu_yh 阅读(12) 评论(1) 推荐(0)
Workaround
摘要： Hi Codeforces! In Round 507 earlier today, a large number of "mostly correct" randomized solutions on 1039B - Subway Pursuit were hacked. I wanted to 阅读全文
posted @ 2025-07-18 07:49 chu_yh 阅读(3) 评论(0) 推荐(0)