Problem 5. Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because
6 = 1 + 2 + 3
which can be displayed in a triangular shape like so
*
* *
* * *
Thus 6 = triangle(3). Given n, return t, the triangular number for n.
Example:
Input n = 4
Output t is 10
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Partha Saradhi
on 11 Jul 2022
The formula makes this an easy math problem.
Shawn
on 12 Jul 2022
Good Question
Ian
on 11 Dec 2022
+10 points
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