LeetCode算法(2)_兩數相加

LeetCode算法(2)_兩數相加

import java.util.LinkedList;
import java.util.List;

/*
 * @lc app=leetcode.cn id=2 lang=java
 *
 * [2] 兩數相加
 */

// @lc code=start
/**
 * Definition for singly-linked list.
 * public class ListNode {
 *     int val;
 *     ListNode next;
 *     ListNode(int x) { val = x; }
 * }
 */

class Solution {
    public ListNode addTwoNumbers(ListNode l1, ListNode l2) {
        ListNode resultNodes = new ListNode(0);
        ListNode currentNode = resultNodes;
        int loseNum = 0;
        do{
            int a = l1==null?0:l1.val;
            int b = l2==null?0:l2.val;
            int sumNum = a+b+loseNum;
            currentNode.next=new ListNode((sumNum%10));
            currentNode = currentNode.next;
            loseNum = sumNum / 10;

            l1 = l1==null?l1:l1.next;
            l2 = l2==null?l2:l2.next;
        }
        while(l1!=null || l2!=null);

        if(loseNum>0) currentNode.next = new ListNode(loseNum);
        return resultNodes.next;
    }
}
// @lc code=end