Day-29 Best Time to Buy and Sell Stock with Cooldown

class Solution {
    public int maxProfit(int[] prices) {
        
        int sold=Integer.MIN_VALUE,held=Integer.MIN_VALUE,reset=0;
        
        for(int i:prices){
            int presold=sold;
            sold=held+i;
            held=Math.max(held,reset-i);
            reset=Math.max(reset,presold);
        }
        
        return Math.max(sold,reset);
    }
}