java 是我想错了吗,这道题没有那么麻烦啊
股票交易的最大收益
http://www.nowcoder.com/questionTerminal/9e5e3c2603064829b0a0bbfca10594e9
数组后一个减去前一个,为正数就加起来
public class Solution {
public int maxProfit (int[] prices) {
int sum = 0;
for (int i = 1; i < prices.length; i++) {
int profit = prices[i] - prices[i-1];
if (profit > 0) {
sum += profit;
}
}
return sum;
}
}
