Delete node in a linked list

Linked List

83.6% acceptance

Jan 13, 2026

6246

1780

There is a singly-linked list head and we want to delete a node in it. You are given the node to be deleted. You will not be given access to the first node of head. The node to be deleted is not the last node.

Solution

C++

Time O(1)

Space O(1)

LeetCode

solution.cpp

class Solution {
public:
  void deleteNode(ListNode* node) {
    node->val = node->next->val;
    node->next = node->next->next;
  }
};