HDOJ1753 大浮点数相加

import java.util.Scanner;import java.math.BigDecimal;import java.math.BigInteger;public class Main{static public void main(String [] args){Scanner cin = new Scanner(System.in);BigInteger zero=new BigInteger("0");while(cin.hasNextBigDecimal()){BigDecimal a;BigDecimal b;a=cin.nextBigDecimal();b=cin.nextBigDecimal();a=a.add(b);a=a.stripTrailingZeros();String c=a.toPlainString();String fc;if(c.startsWith("0."))fc=c.substring(1);elsefc=c;System.out.println(fc);}}}