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Update solution for problem 876

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This commit is contained in:
Ansh sharma 2024-10-20 18:50:17 +05:30
parent e5dad3fa8d
commit 6975224e69
1 changed files with 18 additions and 18 deletions
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34
leetcode/src/876.c
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@ -1,19 +1,19 @@
/**
* Definition for singly-linked list.
* struct ListNode {
* int val;
* struct ListNode *next;
* };
*/
struct ListNode *middleNode(struct ListNode *head)
{
struct ListNode *fast, *slow;
fast = slow = head;
while (fast && fast->next)
{
slow = slow->next;
fast = fast->next->next;
// Function to find the middle node of a linked list
// this contains the edge cases also
struct ListNode* middleNode(struct ListNode* head) {
// Check if the list is empty or has only one node
if (head == NULL || head->next == NULL) {
return head;
}
return slow;
struct ListNode* fast = head;
struct ListNode* slow = head;
// Use two pointers to find the middle node
while (fast != NULL && fast->next != NULL) {
fast = fast->next->next; // Move fast pointer two steps
slow = slow->next; // Move slow pointer one step
}
return slow; // Slow will be at the middle node
}