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maxTreeDepth.java
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37 lines (26 loc) · 840 Bytes
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// https://leetcode.com/problems/maximum-depth-of-binary-tree/submissions/
public class maxTreeDepth {
static class Node {
int data;
Node left, right;
Node(int item)
{
data = item;
left = right = null;
}
}
public static int maxDepth(Node root) {
if (root == null) return 0;
return 1 + Math.max(maxDepth(root.left),maxDepth(root.right));
}
public static void main(String[] args) {
Node root = new Node(4);
root.left = new Node(2);
root.right = new Node(7);
root.left.left = new Node(1);
root.left.right = new Node(3);
root.right.left = new Node(6);
root.right.right = new Node(9);
System.out.println("Height of tree is " + maxDepth(root));
}
}