EA recent min and max

EA that stores the minimum and maximum price recorded in the last <input_numerocandele>, excluding the most recent <input_candeledaescludere> and considering only opening and closing prices (no high and low). If the current price touches the stored minimum, it opens a BUY position; if it touches the stored maximum, it opens a SELL position. Only one order at a time. Buy size and sell size are user inputs. Management of a single order with Trailing Stop and StopLoss managed with inputs <valoreProfittoAttivazioneTrailing>, <%delProfittoPerChiusuraTraling>, <StopLoss> as a percentage value relative to the account balance.