Java_begining_to_medium_level/LeetcodePractice/Power.java at main · vivekkumarq/Java_begining_to_medium_level · GitHub

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package LeetcodePractice;
public class Power {
    public static double myPow(double x, int n) {
        if (n == 0) return 1;

        long power = n;
        if (n < 0) {
            x = 1 / x;
            power = -power;
        }

        double result = 1;
        while (power > 0) {
            if (power % 2 != 0) {
                result *= x;
            }
            x *= x;
            power /= 2;
        }

        return result;
    }

    public static void main(String[] args) {


        System.out.println(myPow(2.00000, 10));
        System.out.println(myPow(2.10000, 3));
        System.out.println(myPow(2.00000, -2));
    }

}