D. 高中数学题

    Type: Default 1000ms 256MiB

高中数学题

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Background

这是一道数学题!!!!!嘿嘿

Description

给你一组数列a1,a2,a3......an和一个数x。a1!+a2!.....+an!(数列每个数的阶乘之和)。使得阶乘之和可以整除x的阶乘;

(千万别被数据卡了qwq)

Input

第一行输入n(数列个数)和x;1≤n≤500000 , 1≤x≤500000) 第二行输入n个数;(ai<x)

Output

如果可以整除输出“Yes”,否则输出“No”;(无换行)

Samples

6 4
3 2 2 2 3 3
Yes

#列如第一个样例:3!+2!+2!+2!+3!+3!=6+2+2+2+6+6=24. 4!=24;可以整除。

Limitation

1s, 1024KiB for each test case.

新生周赛第四场(DIV. 3)

Not Attended
Status
Done
Rule
ACM/ICPC
Problem
6
Start at
2022-10-24 20:00
End at
2022-10-24 21:42
Duration
1.7 hour(s)
Host
Partic.
38