leetcode.com problems best-time-to-buy-and-sell-stock-ii.cpp

class Solution {
public:
    int maxProfit(vector<int>& prices) {
        int maxProfit = 0;

        for (int i = 1; i < prices.size(); ++i) {
            // If the price has increased from the previous day, add to profit
            if (prices[i] > prices[i - 1]) {
                maxProfit += prices[i] - prices[i - 1];
            }
        }
        
        return maxProfit;
    }
};