题号:NC52853
时间限制:C/C++/Rust/Pascal 1秒,其他语言2秒
空间限制:C/C++/Rust/Pascal 32 M,其他语言64 M
Special Judge, 64bit IO Format: %lld
题目描述
Bobo finds a strange prime

in ICPCCamp,
and he decides to write n integers

whose sum is a multiple of P, while

should satisfy

for given

.
Bobo would like to know the number of different ways to write

modulo
)
.
输入描述:
The input contains zero or more test cases and is terminated by end-of-file. For each test case:
The first line contains an integer n.
The second line contains n integers
.
* 
* 
* The sum of n does not exceed
.
输出描述:
For each case, output an integer which denotes the number of different ways.