Q10Single correct3 Marks16 Oct 2022

If `n` is a positive integer, then what will be the value of `count` at the end of execution of the code given below? ``` n = int(input()) count = 0 for x in range(1, n + 1): for y in range(x + 1, n + 1): count = count + 1 ```

A

$n^2$

B

$n(n + 1)$

C

$\frac{n(n + 1)}{2}$

D

$\frac{n(n - 1)}{2}$