Merge pull request neetcode-gh#2772 from rlempka/cpp-0049-group-anagrams

Add # as separator in key formulation

Author: felivalencia3

cpp/0049-group-anagrams.cpp

@@ -31,8 +31,8 @@ class Solution {
         }
 
         string key = "";
-        for (int i = 0; i < 26; i++) {
-            key.append(to_string(count[i] + 'a'));
+        for (int i = 0; i < count.size(); i++) {
+            key.append(to_string(count[i]) + '#');
         }
         return key;
     }