摘要:
## T1:[Chord](https://atcoder.jp/contests/abc312/tasks/abc312_a "Chord") 模拟 代码实现 ``` s = input() if s in 'ACE, BDF, CEG, DFA, EGB, FAC, GBD': print('Y 阅读全文
posted @ 2023-07-29 23:38
V_Melville
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