package class15;

//leetcode 122
public class Code02_BestTimeToBuyAndSellStockII {

	public static int maxProfit(int[] prices) {
		if (prices == null || prices.length == 0) {
			return 0;
		}
		int ans = 0;
		for (int i = 1; i < prices.length; i++) {
            ans += Math.max(prices[i] - prices[i-1], 0);
		}
		return ans;
	}
	
}