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import java.util.Arrays;
public class DifficultTest {
/*
* ¶ÔÈÎÒâÊäÈëÈëµÄÒ»¸ö×Ö·û´®£¬°ÑÊý×Ö´ÓСµ½´óÅÅÁУ¬×ÖĸÄæÐòÅÅÁÐ,²¢ÇÒÊäÈëºó×ÖĸÓëÊý¾Ý½»ÌæÅÅÁС£
*/
public String aMethod(String str) {
String number = "";
String str1 = "";
for (int i = 0; i < str.length(); i++) {
if (str.charAt(i) >= '0' && str.charAt(i) <= '9') {
number = number + str.charAt(i) + "";
} else {
str1 = str1 + str.charAt(i);
}
}
int[] number1 = new int[number.length()];
char[] str2 = new char[str1.length()];
for (int i = 0; i < number.length(); i++) {
number1[i] = Integer.parseInt(number.charAt(i) + "");
}
Arrays.sort(number1);
for (int i = 0; i < str1.length(); i++) {
str2[i] = str1.charAt(i);
}
Arrays.sort(str2);
String[] resStr = new String[str2.length];
for (int i = 0; i < str2.length; i++) {
resStr[i] = str2[str2.length - 1 - i] + "";
}
String total = "";
for (int i = 0; i < str.length(); i++) {
if (i % 2 == 0 && i / 2 < resStr.length) {
total = total + resStr[i / 2];
} else if (i % 2 == 1 && i / 2 < number1.length) {
total = total + number1[i / 2];
}
}
return total;
}
public static void main(String[] args) {
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import java.io.*;
public class IoTest
{
public static void main(String[] args)
{
String s;
s=calculate();
System.out.println(s);
}
static String calculate()
{
StringBuffer sb=new StringBuffer("");
try{
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