Merge pull request kodecocodes#368 from barbaramartina/splay-tree

[FINISHED] 🌳  🌳   Splay Tree Implementation

Author: kelvinlauKL

Splay Tree/Images/SplayTreesWorstCaseExamples.svg

@@ -0,0 +1,29 @@
+//: Playground - Splay Tree Implementation
+
+
+let splayTree = SplayTree(value: 1)
+splayTree.insert(value: 2)
+splayTree.insert(value: 10)
+splayTree.insert(value: 6)
+
+splayTree.remove(value: 10)
+splayTree.remove(value: 6)
+
+splayTree.insert(value: 55)
+splayTree.insert(value: 559)
+splayTree.remove(value: 2)
+splayTree.remove(value: 1)
+splayTree.remove(value: 55)
+splayTree.remove(value: 559)
+
+splayTree.insert(value: 1843000)
+splayTree.insert(value: 1238)
+splayTree.insert(value: -1)
+splayTree.insert(value: 87)
+
+splayTree.minimum()
+splayTree.maximum()
+
+
+
+