714. Best Time to Buy and Sell Stock with Transaction Fee

https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee/discuss/108870/Most-consistent-ways-of-dealing-with-the-series-of-stock-problems

 

class Solution {
    public int maxProfit(int[] prices, int fee) {
        if(prices.length == 0) return 0;
        int Ti0 = 0, Ti1 = Integer.MIN_VALUE;
        for(int price : prices){
            int old = Ti0;
            Ti0 = Math.max(Ti0, Ti1 + price);
            Ti1 = Math.max(Ti1, Ti0 - price - fee);
        }
        return Ti0;
        
    }
}