fix a bug in "Remove Duplicates from Sorted List"

windpls · windpls · commit b0db4642facd · 2015-01-26T17:58:08.000+08:00
diff --git a/C++/chapLinearList.tex b/C++/chapLinearList.tex
@@ -2217,7 +2217,7 @@ \subsubsection{迭代版}
     ListNode *deleteDuplicates(ListNode *head) {
         if (head == nullptr) return nullptr;
 
-        for (ListNode *prev = head, *cur = head->next; cur; cur = cur->next) {
+        for (ListNode *prev = head, *cur = head->next; cur; cur = prev->next) {
             if (prev->val == cur->val) {
                 prev->next = cur->next;
                 delete cur;
