Package g0301_0400.s0367_valid_perfect_square

Class Solution

  • All Implemented Interfaces:
    
public final class Solution

    367 - Valid Perfect Square\.

    Easy

    Given a positive integer num, write a function which returns True if num is a perfect square else False.

    Follow up: Do not use any built-in library function such as sqrt.

    Example 1:

    Input: num = 16

    Output: true

    Example 2:

    Input: num = 14

    Output: false

    Constraints:

    • 1 <= num <= 2^31 - 1

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description

    • Field Summary

      Fields 
      Modifier and Type Field Description

    • Constructor Summary

      Constructors 
      Constructor Description
      Solution()

    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description

    • Method Summary

      Modifier and Type Method Description
      final Boolean isPerfectSquare(Integer num)

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait