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

Solution Stats

62.47% Correct | 37.53% Incorrect
Last Solution submitted on Nov 29, 2023

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