BestTimetoBuyandSellStockII.java

/**
 * 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).
 */

public class BestTimetoBuyandSellStockII {
	public int maxProfit(int[] prices) {
		int profit = 0;
		for (int i = 1; i < prices.length; i++) {
			int d = prices[i] - prices[i - 1];
			if (d > 0) {
				profit += d;
			}
		}
		return profit;
	}
}