面试题63. 股票的最大利润

代码：

class Solution {
    public int maxProfit(int[] prices) {
        if(prices.length==0) return 0;
      int minV = prices[0];
        int maxP = 0;

        for (int i = 1; i < prices.length; i++) {
            maxP = Math.max(maxP, prices[i] - minV);
            minV = Math.min(minV, prices[i]);
        }

        return maxP;
    }
}