Update merge-two-sorted-lists.cpp

kamyu104 · kamyu104 · commit 2befeb30cc39 · 2016-06-04T15:47:09.000+08:00
diff --git a/C++/merge-two-sorted-lists.cpp b/C++/merge-two-sorted-lists.cpp
@@ -12,8 +12,8 @@
 class Solution {
 public:
     ListNode *mergeTwoLists(ListNode *l1, ListNode *l2) {
-        ListNode dummy = ListNode(0);
-        auto *curr = &dummy;
+        ListNode dummy{0};
+        auto curr = &dummy;
 
         while (l1 && l2) {
             if (l1->val <= l2->val) {
