Leetcode 1448 Count Good Nodes in Binary Tree | Coding Decoded SDE preparation Sheet

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Here is the solution to " Count Good Nodes in Binary Tree" leetcode question. Hope you have a great time going through it.

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Thanks to you sir, for teaching us the power of consistency.

denzilsamuel

I think we can remove the left and right null checks to make the code more concise. I think programming nowadays is all about writing concise code.

private void goodNodes(TreeNode root, int val) {
if(root==null)
return;
if(root.val>=val)
count++;
val = Math.max(val, root.val);
goodNodes(root.left, val);
goodNodes(root.right, val);

}

tanson

Sir❤️ please make video on
BLOCKCHAIN DEVLOPMENT &it's FUTURE

Avinash

bhaiya DP me "top down with memorization" approach se batane se kam chal jata h kya ya phir interviewer ko "bottom up iterative" bhi chahiye hota h

AmanSharma-vbjl

hi everyone, back from work!!! NOW it's leetcode time XD

shrimpo

Mind showing 1820 problem on leetcode graphs. Thanks

StellasAdi

I wasted 40 mins on this. it was too easy after I saw your explanation.

Vishal-joshi

Out of interest, what sort of soft are you hoping to produce?

dreamcreations

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