【Reverse Linked List II】cpp

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【原创】Leetcode -- Reverse Linked List II -- 代码随笔（备忘）

题目:Reverse Linked List II 题意:Reverse a linked list from position m to n. Do it in-place and in one-pass. 下面这段代码,有两个地方,一个是4.5行的dummy节点设置:另一个是11-14行,局部可视化到全局. ListNode *reverseBetween(ListNode *head, int m, int n) { if(m == n) return head; n -= m; List…