T2 只有愚人节题目才会这么干吧
by NullPointerExpection @ 2024-08-01 12:25:09
qp
by Dark_Star @ 2024-08-01 12:26:50
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by watergod @ 2024-08-01 12:27:28
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by cmrhhh @ 2024-08-01 12:29:52
逆天
by _O_v_O_ @ 2024-08-01 12:29:58
>这个序列第
1 项为 1，第 2 项为 2，第 3 项为 5，第 4 项为 12。
现在 @[wrh316](/user/1019828) 问你第 n 项的值为多少。
拉格朗日插值法秒了，114514n
by QAQ_juruo @ 2024-08-01 12:39:08
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by XQH0317 @ 2024-08-01 12:41:26
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by PartiallyCorrect @ 2024-08-01 12:41:31
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by nightwatch_ryan @ 2024-08-01 12:52:37
qp
by 残阳如血 @ 2024-08-01 13:06:27