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.

Solve

Solution Stats

34.91% Correct | 65.09% Incorrect
Last Solution submitted on Jun 28, 2020

Problem Recent Solvers214

Suggested Problems

More from this Author56

Problem Tags

below numbers triangle