Merge pull request #2229 from Ykhan799/main

Create: 0083-remove-duplicates-from-sorted-list.c

Author: Ykhan799

Diff for: c/0083-remove-duplicates-from-sorted-list.c

@@ -0,0 +1,20 @@
+/**
+ * Definition for singly-linked list.
+ * struct ListNode {
+ *     int val;
+ *     struct ListNode *next;
+ * };
+ */
+
+// Time: O(n)
+// Space: O(1)
+struct ListNode* deleteDuplicates(struct ListNode* head){
+    struct ListNode* cur = head;
+    while (cur) {
+        while (cur->next && cur->next->val == cur->val) {
+            cur->next = cur->next->next;
+        }
+        cur = cur->next;
+    }
+    return head;
+}