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This repository was archived by the owner on Nov 25, 2022. It is now read-only.

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PowerofFour.java

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import java.util.*;
import java.lang.*;
import java.io.*;
class PowerofFour{
public static void main (String[] args){
Scanner scn = new Scanner(System.in);
System.out.println("Enter the number to check whether it is power of four or not : ");
int n = scn.nextInt();
System.out.println(isPowerOfFour(n));
}
public static boolean isPowerOfFour(int n) {
return Math.log(n)/Math.log(4) %1==0;
}
}
//question link : https://leetcode.com/problems/power-of-four/
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