Number Puzzle
Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)
Total Submission(s) : 5 Accepted Submission(s) : 1
Problem Description
Given a list of integers (A1, A2, ..., An), and a positive integer M, please find the number of positive integers that are not greater than M and dividable by any integer from the given list.
Input
The input contains several test cases.
For each test case, there are two lines. The first line contains N (1 <= N <= 10) and M (1 <= M <= 200000000), and the second line contains A1, A2, ..., An(1 <= Ai <= 10, for i = 1, 2, ..., N).
Output
For each test case in the input, output the result in a single line.
Sample Input
3 2
2 3 7
3 6
2 3 7
Sample Output
1
4
Source
Zhejiang University Local Contest 2007