http://acm.hdu.edu.cn/showproblem.php?pid=1047&&大數Java

大數問題一看就是用Java神器；

import java.util.*;import java.math.*;import java.lang.*;public class Main {/** * @param args kapop */public static void main(String[] args) {// TODO Auto-generated method stub Scanner cin=new Scanner(System.in);    int t=cin.nextInt();           while(cin.hasNext()){                        if(t==0)            break;            t--;           //BigDecimal max=BigDecimal.valueOf(-1),min=BigDecimal.valueOf(1999999999);            BigDecimal b,sum=BigDecimal.ZERO;                                                          for(;;)              {              b=cin.nextBigDecimal();                                                   sum=sum.add(b);           if(b.compareTo(BigDecimal.ZERO)==0)           break;                            }                          System.out.println(sum);              if(t!=0)              System.out.println();           }          }}