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更好的阅读体验 Fun fact: For all AGC problems with score>=1600 this year, the number of accepted solutions is no more than 1. --Retired_MiFaFaOvO A. Three Ce 阅读全文
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However, I have to warn you that contest will be closer to ABC than to AGC... Atcoder Genius Contest 子序列专题赛??? A. ABC Identity 定义字符串 \(T\) 是 好的,当且仅当它能 阅读全文