Lemon-XQ

typedef struct ListNode{
	int data;
    struct ListNode* next;
}ListNode;
ListNode* findKthToTail(ListNode* pHead,int k){
	ListNode* pFast=pHead,pSlow=pHead;
	if(pHead == null || k<=0 || k> ListLength(pHead))
		return null;
	if(pHead->next == null)
		return pHead;

Lemon-XQ

/**
 * @author: Lemon-XQ
 * @date: 2017/12/10
 */

public class WheelView extends ScrollView {
    public static final String TAG = WheelView.class.getSimpleName();

    public static class OnWheelViewListener {
        public void onSelected(int selectedIndex, String item) {

Lemon-XQ

#include<iostream>
using namespace std;

main()
{
  int n;
  int count=0;
  cin>>n;
  while(n!=1){
    if(n%2==0)