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QOJ

Límite de tiempo: 6.0 s Límite de memoria: 1024 MB Puntuación total: 100 Hackeable ✓

#11025. 珍贵的森林

Estadísticas

我们定义一棵无根树 $T$ 的价值为 $\sum_{u \in V(T)} (d(u))^2$,其中 $V(T)$ 是 $T$ 的顶点集,$d(u)$ 是顶点 $u$ 的度数。我们定义一个森林的价值为其中所有树的价值之和。现在请你计算所有具有 $N$ 个带标号顶点的森林的价值之和。

为了避免大整数计算,请输出答案对质数 $M$ 取模的结果。

输入格式

输入包含多组测试数据。第一行包含两个整数 $T$ 和 $M$ ($1 \le T \le 5000, 1 \le M \le 2^{30}$,且 $M$ 为质数),分别表示测试数据的组数和模数。

对于每组测试数据,仅包含一行一个整数 $N$ ($1 \le N \le 5000$)。

输出格式

对于每组测试数据,输出所有森林的价值之和对 $M$ 取模的结果,每组结果占一行。

样例

样例输入 1

5 1000000007
2
3
4
5
107

样例输出 1

2
24
264
3240
736935633

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