Best Time to Buy and Sell Stock II
	
	/**
	 * Best Time to Buy and Sell Stock II
	 * 
	 * Say you have an array for which the ith element is the price of a
given
	 * stock on day i.
	 * 
	 * Design an algorithm to find the maximum profit. You may complete as
many
	 * transactions as you like (ie, buy one and sell one share of the
stock
	 * multiple times). However, you may not engage in multiple
transactions at
	 * the same time (ie, you must sell the stock before you buy again).
	 * 
	 * */