Created
November 28, 2013 07:07
-
-
Save gubatron/7688283 to your computer and use it in GitHub Desktop.
find out if a number has a perfect square.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| public static boolean isPerfectSquare(int n) { | |
| double root = Math.sqrt(n); | |
| return root-((double)((int)root)) == 0; | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment