2 3 Trees Deletion

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From 7:50 - 8:35, D/P needs to have two children (T4 and some T5) due to the property of 2-3 trees. After the deletion, when you bring over the child T3, that should be a problem since then the bottom right 1-node would have three children.

arungandikota

Dude you have good intentions and thats good, but before you upload a video, make sure its not full of mistakes

ropopal

In 7:43, the node with key D is an single key internal node with only one child, which is not a valid 2-3 tree as far as I understand. Every single key internal node should have at least 2 children.

denys

the above example is nt correct! hw cn 65 be in between 70, 90

priyankajayaswal

@2:30 you're swapping with the inorder successor? Don't you mean inorder PREDECESOR?

bmgag

But what happens to the childs of L in 2:57 ? S can only have 2 childs but SL contains 3 childs

xkhokokox

9:58 root node have just 1 child ... but its wrong .... isnt it?

michalkovic

unfortunately your hardcore example was wrong...

akashjain

Thanks for explaining this like this I want more videos about all tq

madanmohanreddysure

if i am right and what you say is true two of your examples start as unbalanced 2-3 tree which as you can say can not happen, but aside from that its a nice explanation :)

astifobia

10:40 65 can't be in that node because it's less than the lesser of its' parents

valdas

Please delete this video your giving everyone a wrong idea about the deletion process of 2, 4 trees

senciddimisin

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