public class Solution {
    public double MyPow(double x, int n) {
        double m=1;
        if(n==0 || x==1.00000){
            return 1.00000;
        }
        else if(n>0){
            while(n>0){
                m*=x;
                n--;
            }
            return m;
        }
        else{
            while(n<0){
                m*=x;
                n=n+1;
            }
            return 1/m;
        }
    }
}