Next Perfect Square

Published by Mubashir Hassan in
algebrainterviewmathnumbers

Mubashir needs your help to find next integral perfect square after the one passed as a parameter.

Create a function which takes a given number n and returns next integral perfect square number. Return nil if the given number is not a perfect square.

Examples

next_square(121) ➞ 144

next_square(625) ➞ 676

next_square(114) ➞ nil
# 114 is not a perfect square

Notes

N/A

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