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  1. import java.util.Scanner;
  2.  
  3.  
  4. class tsort  {
  5.  
  6.   private int[] numbers;
  7.   private int number;
  8.  
  9.   public void sort(int[] values) {
  10.  
  11.     // Check for empty or null array
  12.     if (values ==null || values.length==0){
  13.       return;
  14.     }
  15.     this.numbers = values;
  16.     number = values.length;
  17.     quicksort(0, number - 1);
  18.  
  19.      for(int k = 0;k<numbers.length;k++)
  20.     {
  21.         System.out.println(numbers[k]);
  22.     }
  23.  
  24.   }
  25.  
  26.   private void quicksort(int low, int high) {
  27.     int i = low, j = high;
  28.     // Get the pivot element from the middle of the list
  29.     int pivot = numbers[low + (high-low)/2];
  30.  
  31.     // Divide into two lists
  32.     while (i <= j) {
  33.       // If the current value from the left list is smaller then the pivot
  34.       // element then get the next element from the left list
  35.       while (numbers[i] < pivot) {
  36.         i++;
  37.       }
  38.       // If the current value from the right list is larger then the pivot
  39.       // element then get the next element from the right list
  40.       while (numbers[j] > pivot) {
  41.         j--;
  42.       }
  43.  
  44.       // If we have found a values in the left list which is larger then
  45.       // the pivot element and if we have found a value in the right list
  46.       // which is smaller then the pivot element then we exchange the
  47.       // values.
  48.       // As we are done we can increase i and j
  49.       if (i <= j) {
  50.         exchange(i, j);
  51.         i++;
  52.         j--;
  53.       }
  54.     }
  55.     // Recursion
  56.     if (low < j)
  57.     {
  58.       quicksort(low, j);
  59.     }
  60.     if (i < high)
  61.     {
  62.         quicksort(i, high);
  63.     }
  64.  
  65.  
  66.   }
  67.  
  68.  
  69.  
  70.   private void exchange(int i, int j) {
  71.     int temp = numbers[i];
  72.     numbers[i] = numbers[j];
  73.     numbers[j] = temp;
  74.   }
  75. }
  76.  class test3 
  77.     {
  78.     public static void main(String[] args) {
  79.          int number[]= null;
  80.          int i ;
  81.  
  82.          try
  83.          {
  84.          Scanner sc = new Scanner(System.in);
  85.          int l = sc.nextInt();
  86.          number=new int[l];         //you had not created!!!!
  87.          for( i=0;i<l;i++)
  88.          {
  89.  
  90.  
  91.  
  92.              number[i]=sc.nextInt();
  93.  
  94.  
  95.          }
  96.  
  97.          tsort t = new tsort();
  98.  
  99.          t.sort(number);
  100.  
  101.          }
  102.          catch(Exception e)
  103.          {
  104.  
  105.          }
  106.  
  107.     }
  108. }
Success #stdin #stdout 0.1s 381696KB
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https://ideone.com/eER3me
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
secret

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