1494 : Subsequence GCD
时间限制Time Limit
1
秒Sec
内存限制Memory Limit
128
兆MB
提交次数Submitted
0
次Times
通过次数Solved
0
次Times
标准评测Standard Judge
题目描述Description
You are given a sequence of positive integers A = (A_1,A_2,...,A_N) of length N and a positive integer M. Does there exist a non-empty and not necessarily continuous subsequence of A such that the greatest common divisor (GCD) of the subsequence is M? If yes, output “Yes”; if not, output “No”.
输入格式Input
The input is given from Standard Input in the following format:
N\ M (1\le N \le 2 * 10^5,\ 1\le M\le 10^9)
A_1\ A_2\ ...\ A_N(1\le a_i\le 10^9)
输出格式Output
Print Yes if exist a non-empty and not necessarily continuous subsequence of A such that the greatest common divisor (GCD) of the subsequence is M, and No otherwise.