Find the maximum number of handshakes
Submissions: 817   Accuracy:

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  Difficulty: Easy   Marks: 2

There are N persons in a room. Find the maximum number of Handshakes possible. Given the fact that any two persons shake hand exactly once.

Input:

The first line of input contains an integer T denoting the number of test cases. Then T test cases follow. The first line of each test case contains the integer N denoting the number of persons in the room.


Output:

Print the total number of handshakes for between n people. Print the answer for each test case ina new line.


Constraints:

1<= T <=100

1<= N <=109


Example:

Input:

2

2

10

Output:

1

45

** For More Input/Output Examples Use 'Expected Output' option **

Contributor: Sujnesh Mishra
Author: Dharmesh


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