122-Best-Time-to-Buy-and-Sell-Stock-II.cpp

class Solution {
public:
    int maxProfit(vector<int>& prices) {
        int ret = 0;
        for(int i = 1 ; i < prices.size() ; i++)
            {
                if(prices[i] > prices[i - 1])
                    ret += prices[i] - prices[i - 1];
            }
            return ret;
        }
};