YoRipple的博客

You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a link

public class Solution {     public boolean canWinNim(int n) {        if(n==0){            return true;        }        if(n%4==0){            return false;        }else{            return true

char [] list = {'0','1','2','3',         '4','5','6','7',                                 '8','9','a','b',                                 'c','d','e','f'};    String result = String.valueo