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<p>
Given an integer array with no duplicates. A maximum tree building on this array is defined as follow:
<ol>
<li>The root is the maximum number in the array. </li>
<li>The left subtree is the maximum tree constructed from left part subarray divided by the maximum number.</li>
<li>The right subtree is the maximum tree constructed from right part subarray divided by the maximum number.</li>
</ol>
</p>
<p>
Construct the maximum tree by the given array and output the root node of this tree.
</p>
<p><b>Example 1:</b><br />
<pre>
<b>Input:</b> [3,2,1,6,0,5]
<b>Output:</b> return the tree root node representing the following tree:
6
/ \
3 5
\ /
2 0
\
1
</pre>
</p>
<p><b>Note:</b><br>
<ol>
<li>The size of the given array will be in the range [1,1000].</li>
</ol>
</p>