Problem_0237_deleteNode.cc

#include <iostream>

struct ListNode
{
  int val;
  ListNode *next;
  ListNode(int x) : val(x), next(NULL) {}
};

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