1.1 2.9 1.1111111111 2.3444323343 1 1.1
4 3.4555434454 2.1
import java.math.BigDecimal;
import java.util.Scanner; 
public class yugtg {  
      
    public static void main(String[] args) {  
        Scanner cin = new Scanner(System.in);
        BigDecimal a,b,s;
        
        while(cin.hasNext())
        {
        	a = cin.nextBigDecimal();
        	b = cin.nextBigDecimal();
        	s = a.add(b);
        	String sum = s.stripTrailingZeros().toPlainString();
        	
        	System.out.println(sum);
        }
    }  
}HDUJ 1753 大明A+B,布布扣,bubuko.com
原文地址:http://blog.csdn.net/hyccfy/article/details/38233389