【LeetCode】Best Time to Buy and Sell Stock

class Solution {public:    int maxProfit(vector<int> &prices) {        if (prices.size() < 2)return 0;int min, result,index;min = prices[0];result = 0;for (index = 1; index < prices.size(); index++){if (min>prices[index])min = prices[index];elseresult = max(result,prices[index] - min);}return result;    }};