static int partion(int []a,int left,int right)
static void Quiq(int []a,int left,int right)
int index=partion(a,left,right);
static void print(int[]a,int n){
Console.WriteLine("print element ");
public static void Main()
int []A = {70, 10, 120, 20, 130, 15, 50, 99, 120, 45};
for (int i=1;i<A.Length;i=i+2)