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Copy pathQuickSortingAlgo
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QuickSortingAlgo
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public class QuickSortingAlgo {
int partiton(int arr[],int low,int high) {
int pivot = arr[high];
int i=low;
for(int j=low;j<high;j++) {
if(arr[j]<=pivot) {
int temp=arr[i];
arr[i]=arr[j];
arr[j]=temp;
i++;
}
}
int temp=arr[i];
arr[i]=arr[high];
arr[high]=temp;
return i;
}
void sort(int arr[],int low,int high) {
if(low < high) {
int pi=partiton(arr,low,high);
sort(arr,low,pi-1);
sort(arr,pi,high);
}
}
static void printArray(int arr[])
{
int n = arr.length;
for (int i=0; i<n; ++i)
System.out.print(arr[i]+" ");
System.out.println();
}
public static void main(String args[]) {
int arr[]= {23,13,25,7,18,4,2,1};
int len=arr.length;
QuickSortingAlgo qs=new QuickSortingAlgo();
qs.sort(arr, 0, len-1);
System.out.println(" after quick sorted Array :");
printArray(arr);
for(int i=0;i<len;++i) {
System.out.println(arr[i] + " ");
}
}
}