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2. Add Two Numbers 两个数字相加

时间:2018-02-12 23:42:23      阅读:334      评论:0      收藏:0      [点我收藏+]

标签:tno   exp   gpo   number   mon   xpl   leading   ola   esc   

You are given two non-empty linked lists representing two non-negative integers. 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 linked list.

You may assume the two numbers do not contain any leading zero, except the number 0 itself.

Example

Input: (2 -> 4 -> 3) + (5 -> 6 -> 4)
Output: 7 -> 0 -> 8
Explanation: 342 + 465 = 807.



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# Definition for singly-linked list.
# class ListNode:
#     def __init__(self, x):
#         self.val = x
#         self.next = None
 
class Solution:
    def addTwoNumbers(self, l1, l2):
        """
        :type l1: ListNode
        :type l2: ListNode
        :rtype: ListNode
        """
        node1, node2 = l1, l2
        newList = newNode = ListNode(0)
        carry = 0
        while node1 or node2 or carry:
            v1, v2 = 0, 0
            if node1:
                v1, node1 = node1.val, node1.next
            if node2:
                v2, node2 = node2.val, node2.next
 
            val = (v1 + v2 + carry)
            carry = 1 if val >= 10 else 0
            newNode.next = ListNode(val % 10)
            newNode = newNode.next
        return newList.next









2. Add Two Numbers 两个数字相加

标签:tno   exp   gpo   number   mon   xpl   leading   ola   esc   

原文地址:https://www.cnblogs.com/xiejunzhao/p/8445787.html

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