Update Solution 024, adding cpp version

xiapengchng · xiapengchng · commit 7a03ae2498b7 · 2018-10-23T23:28:07.000+08:00
diff --git a/solution/024.Swap Nodes in Pairs/Solution.cpp b/solution/024.Swap Nodes in Pairs/Solution.cpp
@@ -31,4 +31,8 @@ class Solution {
         return real_head;
     }
 
+
 };
+
+
+
