1063 JAVA大数阶乘

import java.math.*; import java.util.*; public class Main { public static void main(String[] args) { BigDecimal a,c; int b; Scanner cin=new Scanner(System.in); while(cin.hasNextBigDecimal()) { a=cin.nextBigDecimal(); b=cin.nextInt(); c=a.pow(b); c=c.stripTrailingZeros(); String out=c.toPlainString(); if (out.charAt(0)=='0') out=out.substring(1); System.out.println(out); } } }