Counter Strike

Time Limit: 1000 ms Memory Limit: 32768 KiB

Problem Description

Anti-terrorism is becoming more and more serious nowadays. The country now has n soldiers,and every solider has a score.
We want to choose some soldiers to fulfill an urgent task. The soldiers chosen must be adjacent to each other in order to make sure that they can cooperate well. And all the soldiers chosen must have an average score greater than a.
Now, please calculate how many ways can the chief of staff choose the soldiers.

Input

The first line consists of a single integer t, indicating number of test cases.
For each test case, the first line gives n, the number of soldiers, and a, the minimum possible average score(n<=100000,a<=10000). The second line gives n integers, corresponding to the soldiers' scores in order. All the scores are no greater than 10000.

Output

An integer n, number of ways to choose the soldiers.

Sample Input

2
5 3
1 3 7 2 4
1 1000
9999

Sample Output

10
1

Hint

hdoj2443 有链接提示的题目请先去链接处提交程序,AC后提交到SDUTOJ中,以便查询存档。

Source

2008 Asia Harbin Regional Contest Online