通达信主图【趋势买卖】中'Ｂ'改选股

编写要求：

请设置计算参数: N: (1.00--100.00) 20 M: (1.00--100.00) 32 P1: (1.00--100.00) 80 P2: (1.00--100.00) 100 源码如下： VAR1:=(C+H+O+L)/4; 卖出:XMA(VAR1,N)*(1+P1/1000),COLORGREEN,LINETHICK2; 买入:XMA(VAR1,M)*(1-P2/1000),COLORMAGENTA,LINETHICK2; 幅度:100*(卖出-买入)/买入,NODRAW; MA1:=MA(VAR1,3); STICKLINE(卖出>LOW AND 卖出MIN(C,O) AND 卖出LOW AND 卖出LOW AND 买入MIN(C,O) AND 买入LOW AND 买入HIGH,OPEN,CLOSE,3,0),COLORMAGENTA; STICKLINE(买入>HIGH,HIGH,LOW,0,0),COLORMAGENTA; DRAWTEXT(CROSS(LOW,买入),LOW*0.95,'Ｂ'),COLORRED,LINETHICK2; DRAWTEXT(CROSS(卖出,HIGH),HIGH*1.02,'Ｓ'),COLORGREEN;

解答：

?M:=32;

P2:=100;