Cody

Problem 291. Triangle Numbers Below N

This is an offshoot of Cody 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

      *
     * *
    * * * 

Return all triangle numbers below N.

Solution Stats

35.83% Correct | 64.17% Incorrect
Last solution submitted on Sep 20, 2019