Best_Time_to_Buy_and_Sell_Stock_II.cc

class Solution {
public:
    int maxProfit(vector<int> &prices) {
        // Start typing your C/C++ solution below
        // DO NOT write int main() function
        if (prices.size() == 0)
            return 0;
        int ans = 0;
        for (int i = 1; i < prices.size(); i++)
            if (prices[i] > prices[i - 1])
                ans += (prices[i] - prices[i - 1]);
        return ans;
    }
};