Add lecture note

chrismejia · chrismejia · commit 4b8c36b88177 · 2018-09-15T19:53:04.000-04:00
diff --git a/LeetCode/Attempting/15_3Sum/15_3Sum - Notes.md b/LeetCode/Attempting/15_3Sum/15_3Sum - Notes.md
@@ -4,3 +4,5 @@ Idea:
 
 Splice out two values then add them
 Compare value to value
+
+See the lecture we had about linked lists day one.
