Delete Node in a Linked List 单链表删除节点

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Delete Node in a Linked List

 

Write a function to delete a node (except the tail) in a singly linked list, given only access to that node.

Supposed the linked list is 1 -> 2 -> 3 -> 4 and you are given the third node with value 3, the linked list should become 1 -> 2 -> 4after calling your function.

/** * Definition for singly-linked list. * struct ListNode { *     int val; *     ListNode *next; *     ListNode(int x) : val(x), next(NULL) {} * }; */class Solution {public://给的就是要删除的节点,所以直接复制下一个节点的值,然后删除即可//本题应该考虑头节点,尾节点的情况    void deleteNode(ListNode* node) {                if(node==NULL)            return ;        node->val=node->next->val;        node->next=node->next->next;    }};

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