（水）hdu1212,1753用来练习java大数

1212

import java.math.*;import java.util.*;public class Main { /**  * @param args  */ public static void main(String[] args) {  // TODO Auto-generated method stub  BigInteger a,b;  Scanner cin = new Scanner(System.in);    while(cin.hasNext()){   a = cin.nextBigInteger();   b = cin.nextBigInteger();            BigInteger result[]=a.divideAndRemainder(b);//求出余数的除法操作   System.out.println(result[1]);  } }}

 

 

 1753

import java.math.*;import java.util.*;public class Main {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubBigDecimal a,b;Scanner cin = new Scanner(System.in);while(cin.hasNext()){a = cin.nextBigDecimal();b = cin.nextBigDecimal();BigDecimal c=a.add(b);System.out.println(c.stripTrailingZeros().toPlainString());}}}