2016暑假多校联合---GCD

Problem Description
Give you a sequence of ).
 
Input
The first line of input contains a number i, stand for the i-th queries.
 
Output
For each case, you need to output “Case #:t” at the beginning.(with quotes, ).
Sample Input
1 5 1 2 4 6 7 4 1 5 2 4 3 4 4 4
Sample Output
Case #1: 1 8 2 4 2 4 6 1
思路:我们注意观察gcd(al​​,al+1​​,...,ar​​),当l固定不动的时候,r=l...nr=l...n时,我们可以容易的发现,随着rr的増大,gcd(al​​,al+1​​,...,ar​​)是递减的,同时gcd(al​​,al+1​​,...,ar​​)最多 有log 1000,000,000个不同的值,为什么呢?因为al​​最多也就有log 1000,000,00