题目
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.
1 |
Input: (2 -> 4 -> 3) + (5 -> 6 -> 4) |
解决方案
1 |
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算法思想
基于链表的相加。python是浅赋值,所以指向的是地址。
算法分析
时间复杂度是O(n+m)
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