Problem 42833. Return the sequence element I

Created by HH in Community

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Given a positive integer, x, return a positive integer, y, which is the xth term in the sequence [1 2 2 3 3 3...], in which one instance of the number 1 is followed by two instances of the number 2, followed by three instances of the number 3, and so on.

Example 1:

x = 5

y = 3

Example 2:

x = 105

y = 14

Solve

Solution Stats

Last solution submitted on Aug 29, 2018

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Jean-Marie Sainthillier on 27 Apr 2016

"...return a positive integer, y, which is the xth term ..." in de description.

Solution Comments

Solution 882321

1 Comment

1 Comment

Michael Schenck on 26 Apr 2016

I have a single line of code in my solution -- how is yours so small!?!