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Implement AVLSearchTree

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This commit is contained in:
Manuel Thalmann 2022-10-31 20:12:42 +01:00
parent 1f5b475645
commit d04f74f992
1 changed files with 5 additions and 1 deletions
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6
app/src/main/java/ch/nuth/zhaw/exbox/AVLSearchTree.java
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@ -19,7 +19,7 @@ public class AVLSearchTree<T extends Comparable<T>> extends SortedBinaryTree<T>
@Override @Override
protected int calcSize(TreeNode<T> p) { protected int calcSize(TreeNode<T> p) {
// TODO Implement (6.2) // TODO Implement (6.2)
throw new RuntimeException(); return super.calcSize(p);
} }
/** /**
@ -43,14 +43,18 @@ public class AVLSearchTree<T extends Comparable<T>> extends SortedBinaryTree<T>
} else if (height(p.left) - height(p.right) == 2) { } else if (height(p.left) - height(p.right) == 2) {
if (height(p.left.left) >= height(p.left.right)) { if (height(p.left.left) >= height(p.left.right)) {
// TODO Implement (6.2) // TODO Implement (6.2)
rotateR(p);
} else { } else {
// TODO Implement (6.2) // TODO Implement (6.2)
rotateLR(p);
} }
} else if (height(p.right) - height(p.left) == 2) { } else if (height(p.right) - height(p.left) == 2) {
if (height(p.right.right) >= height(p.right.left)) { if (height(p.right.right) >= height(p.right.left)) {
// TODO Implement (6.2) // TODO Implement (6.2)
rotateL(p);
} else { } else {
// TODO Implement (6.2) // TODO Implement (6.2)
rotateRL(p);
} }
} }
p.height = Math.max(height(p.left), height(p.right)) + 1; p.height = Math.max(height(p.left), height(p.right)) + 1;