uva 748 Exponentiation

import java.util.Scanner;
import java.math.BigDecimal;

public class Main{
	public static void main(String[] args){
		Scanner in = new Scanner(System.in);
		BigDecimal a;
		int n;
		while(in.hasNext()){
			a = in.nextBigDecimal();
			n = in.nextInt();
			String s = a.pow(n).stripTrailingZeros().toPlainString();
			if(s.startsWith("0"))
				s = s.substring(1);
			System.out.println(s);
		}
	}
}

 

posted @ 2015-07-17 20:19  杨永华  阅读(172)  评论(0编辑  收藏  举报