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package sort;
public class RadixSort {
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 // d=0 ±íʾ¸öλ £»d=1 ±íʾʮλ...ÒÀ´ÎÀàÍÆ
 public static int digit(int d,int x){
  return x/(int)Math.pow(10, d)%10;
 }
 
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import java.io.*;
class FileTest
{
 public static void main(String[] args) throws Exception
 {
  //File f=new File("1.txt");
  //f.createNewFile();
  //f.mkdir();
  //File f=new File("E:\\JavaLesson\\Lesson7\\1.txt");//ÔÚWindowsϵͳÏÂ,Óþø¶Ô ......
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