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70 lines (55 loc) · 1004 Bytes
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// ˇ´×ŞÁ´ąí
#include <iostream>
struct ListNode
{
int m_value;
ListNode *m_next;
};
ListNode *CreateNode(int *arr, int len)
{
ListNode *root = new ListNode;
root->m_next = nullptr;
ListNode *tmpNode = root;
for (int i = 0; i < len; ++i)
{
ListNode *newNode = new ListNode;
newNode->m_value = arr[i];
newNode->m_next = nullptr;
tmpNode->m_next = newNode;
tmpNode = newNode;
}
return root;
}
void DeleteAllNode(ListNode *&root)
{
while (root)
{
ListNode *nextNode = root;
root = root->m_next;
delete nextNode;
}
}
ListNode *ReverseList(ListNode *root)
{
ListNode *node = root;
ListNode *prev = nullptr;
ListNode *reversedHead = nullptr;
while (node)
{
ListNode *nextNode = node->m_next;
if (!nextNode)
reversedHead = node;
node->m_next = prev;
prev = node;
node = nextNode;
}
return reversedHead;
}
int main()
{
int arr[] = { 1, 2, 3, 4, 5 };
ListNode *root = CreateNode(arr, 5);
root = ReverseList(root);
DeleteAllNode(root);
return 0;
}