This algorithm find the value of the largest item in a binary search tree. What is the time complexity of this algorithm, and why?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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This algorithm find the value of the largest item in a binary search tree. What is the time complexity of this algorithm, and why?

int maxValue(node *root)

{

int max;

max = maximum(root)

return max;   // if max equals -1, then the binary search tree was empty

}

int maximum(node *node)

{

if (node == NULL)

{

return -1;

{

else

{

int value = node->value;

int left = maximum(node->left);

int right = maximum(node->right);

if (value < left)

{

value = left;

}

if (value < right)

{

value = right;

}

return value;

}

{

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