luke-else/DataStructuresCSharp
1
0
Fork 0
Code Issues 6 Pull Requests Projects 1 Releases Wiki Activity

updated tree deletion method

Browse Source 
Still not complete but will occasionally delete correctly, seems to have more issues with items near the top of the tree
This commit is contained in:
Luke Else 2022-04-16 22:36:03 +01:00
parent 4b45f5d561
commit e5b0d1659b
2 changed files with 17 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
C#/Datastructures/BinaryTree/Tree.cs
View File

@ -100,9 +100,10 @@ namespace C_.Datastructures.BinaryTree
if (node.Value!.CompareTo(parent!.Value) < 0) if (node.Value!.CompareTo(parent!.Value) < 0)
{//Item being deleted is the left child {//Item being deleted is the left child
parent.Left = default; parent.Left = default;
}else{
//Item being deleted is the right value
parent.Right = default;
} }
//Item being deleted is the right value
parent.Right = default;
} }
Count--; Count--;
return true; return true;
@ -215,5 +216,13 @@ namespace C_.Datastructures.BinaryTree
} }
return node; return node;
} }
private void ReplaceChild(TreeNode<T> parent, TreeNode<T>? replacement){
if (parent.Value!.CompareTo(replacement!.Value) < 0)
{//Append to left side
parent.Left = replacement;
}//Append to right side
parent.Right = replacement;
}
} }
} }

13
C#/Program.cs
View File

@ -112,17 +112,16 @@ Console.WriteLine("Hello, World!");
Tree<int> tree = new Tree<int>(); Tree<int> tree = new Tree<int>();
tree.Add(4);
tree.Add(5); tree.Add(5);
tree.Add(7); tree.Add(4);
tree.Add(6);
tree.Add(2);
tree.Add(3); tree.Add(3);
tree.Add(2);
tree.Add(1); tree.Add(1);
tree.Add(8); tree.Add(0);
tree.Add(7);
var x = tree.Delete(1);
var x = tree.Delete(3);
//tree.Delete(5);
var l = tree.Inorder(null); var l = tree.Inorder(null);