Walter Michelin wmichelin

## MinimalTree.php
<?php declare(strict_types=1);

/**
 * Minimal Tree: Given a sorted (increasing order) array with unique integer elements, write an
 * algorithm to create a binary search tree with minimal height.
 */
class BinaryTreeNode
{
    private $value;
    private $left;

## robot_in_grid.php
<?php

/**
 * Imagine a robot sitting on the upper left corner of grid with r rows and c columns.
 * The robot can only move in two directions, right and down,
 * but certain cells are "off limits" such that the robot cannot step on them.
 * Design an algorithm to find a path for the robot from the top left to the bottom right.
 */

/**

## problem.png

      
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                wmichelin
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              Last active
              June 19, 2017 01:19
            
              
                calculate permutations
              
          
## problem.png

      
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                wmichelin
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              Last active
              June 18, 2017 02:31
            
              
                sort_anagrams
              
          
## linked_list.php
<?php

class Node
{
    /**
     * @var Node
     */
    private $next = null;

    /**

## is_permutation.php
<?php

function isPermutation($stringA, $stringB)
{
    $aMap = [];
    $bMap = [];

    foreach (str_split($stringA) as $char) {
        isset($aMap[$char]) ? $aMap[$char]++ : $aMap[$char] = 1;
    }

## keybase.md

      
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                wmichelin
                / keybase.md
            
            
              Created
              December 3, 2015 18:06
            
          
    Keybase proof

I hereby claim:

I am wmichelin on github.
I am wmichelin (https://keybase.io/wmichelin) on keybase.
I have a public key whose fingerprint is ACAE A294 C4D6 6491 02D9  66CE D504 067E F262 65B3

To claim this, I am signing this object:
	<?php declare(strict_types=1);

	/**
	* Minimal Tree: Given a sorted (increasing order) array with unique integer elements, write an
	* algorithm to create a binary search tree with minimal height.
	*/
	class BinaryTreeNode
	{
	private $value;
	private $left;
	<?php

	/**
	* Imagine a robot sitting on the upper left corner of grid with r rows and c columns.
	* The robot can only move in two directions, right and down,
	* but certain cells are "off limits" such that the robot cannot step on them.
	* Design an algorithm to find a path for the robot from the top left to the bottom right.
	*/

	/**
	<?php

	function isPermutation($stringA, $stringB)
	{
	$aMap = [];
	$bMap = [];

	foreach (str_split($stringA) as $char) {
	isset($aMap[$char]) ? $aMap[$char]++ : $aMap[$char] = 1;
	}