T2 难绷
by szh_DNCB @ 2024-08-02 09:44:55
qp
by springisnotcoming @ 2024-08-02 09:57:18
~~T2规律：~~
$a_{i} = \begin{cases}
1 & i=1 \\
2 & i=2 \\
2a_{i-1}+a_{i-2} & i \ge 3
\end{cases}$
by wanglongye @ 2024-08-02 10:11:24
qp
by xiaohezi @ 2024-08-02 10:21:08
@[lihongxing](/user/1402256) 不容易你【小粉兔】啊？能有正经出题组不容易啊？你实力甚至没有wrh316强你还改正？
by Magus @ 2024-08-02 10:26:54
qp
by Tiffake @ 2024-08-02 10:39:19
qp
by bengtie_qidon @ 2024-08-02 10:48:16
@[lihongxing](/user/1402256) 仿写NMD迷你小学生
by Mr_Terminator @ 2024-08-02 11:40:19
qp
by xyycoder @ 2024-08-02 11:52:34
$2^n-1$
(确信)
by Aluminium_ranran @ 2024-08-02 11:55:37