Triangular Distribution Sample Generator

Generate random samples from a Triangular distribution using:
If $U<\frac{c-a}{b-a}$: $$x=a+\sqrt{U(b-a)(c-a)};$$
Otherwise: $$x=b–\sqrt{(1-U)(b-a)(b-c)}.$$

* Enter the parameters $a$, $c$ (with $a\le c\le b$), $b$, and the desired sample size.