编写要求：
要求：将公式中的“买”做个选股公式。
源码如下：
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1),COLORWHITE;
D:=SMA(K,3,1),COLORYELLOW;
J:=3*K-2*D,COLORFF00FF;
A:=250;
DIFF:=(EMA(CLOSE,12) - EMA(CLOSE,26));
DEA:=EMA(DIFF,9),COLORBLUE,LINETHICK0;
MACD:=2*(DIFF-DEA);
MM:=IF(MACD< 0,MACD,0);
JJ:=MM> REF(MM,1);
ZZ:=REF(JJ,1)=1;
准备:=(JJ AND ZZ)*DEA;
STICKLINE(准备=DEA,1,-1,2,1),COLORFFFF00;
JH:=HHV(MAX(K,MAX(D,J)),A);
DH:=HHV(MAX(DIFF,DEA),A);
SH:=INTPART(JH/DH)/2;
DIFF50:=SH*DIFF+50,COLORFFFF00;
DEA50:=SH*DEA+50,COLORBLUE;
STICKLINE(DIFF50>DEA50,0,1.5*(DIFF50-DEA50),0,0),COLORRED;
STICKLINE(DIFF50REF(1.5*(DIFF50-DEA50),1),1.5*(DIFF50-DEA50),0),
STICK,COLORLICYAN;
绿柱:IF(1.5*(DIFF50-DEA50)0 AND REF(1.5*(DIFF50-DEA50),1)>REF(1.5*(DIFF50-DEA50),2) AND 1.5*(DIFF50-DEA50)< REF(1.5*(DIFF50-DEA50),1),1,0);
缩脚:=IF(1.5*(DIFF50-DEA50)<0 AND REF(1.5*(DIFF50-DEA50),1)< REF(1.5*(DIFF50-DEA50),2) AND 1.5*(DIFF50-DEA50)>REF(1.5*(DIFF50-DEA50),1),1,0);
杀多:=IF(1.5*(DIFF50-DEA50)<0 AND REF(1.5*(DIFF50-DEA50),1)> REF(1.5*(DIFF50-DEA50),2) AND 1.5*(DIFF50-DEA50)0 AND REF(1.5*(DIFF50-DEA50),1)< REF(1.5*(DIFF50-DEA50),2) AND 1.5*(DIFF50-DEA50)>REF(1.5*(DIFF50-DEA50),1),1,0);
阻力:=IF(CROSS(C,MA(C,20)) OR CROSS(C,MA(C,60)),1,0);
DRAWTEXT(FILTER(杀多,3) AND 杀多,1.5*(DIFF50-DEA50),'杀多'),COLORFF00FF;
DRAWTEXT(FILTER(缩头,3) AND 缩头,1.5*(DIFF50-DEA50)+0.2,'卖'),COLORFF00FF;
DRAWTEXT(FILTER(诱空,3) AND 诱空,1.5*(DIFF50-DEA50),'?洗盘'),COLOR00FF00;
DRAWTEXT(FILTER(缩脚,3) AND 缩脚,1.5*(DIFF50-DEA50)-0.2,'买'),COLOR00FF00;
DRAWTEXT(FILTER(阻力,16) AND 1.5*(DIFF50-DEA50)>=0,1.5*(DIFF50-DEA50)+0.01,'阻力'),COLOR00FFFF;
VRA:=REF(CLOSE,1);
VRB:=SMA(MAX(CLOSE-VRA,0),6,1)/SMA(ABS(CLOSE-VRA),6,1)*100;
VRC:=(2*CLOSE+HIGH+LOW)/4;
VR0:=LLV(LOW,34);
VR1:=HHV(HIGH,34);
VR2:=EMA((VRC-VR0)/(VR1-VR0)*100,6);
VR3:=EMA(0.667*REF(VR2,1)+0.333*VR2,4);
VA1:=(REF(HIGH,1)+REF(LOW,1))/2;
VA2:=MA(CLOSE,20)+2*STD(CLOSE,20);
VA3:=REF(CLOSE,1);
VA4:=SMA(MAX(CLOSE-VA3,0),7,1)/SMA(ABS(CLOSE-VA3),7,1)*100;
VA5:=CROSS(79,VA4);
VA6:=FILTER(VA5,4);
VVD:=MA(CLOSE,80)-MA(CLOSE,10)/3;
VA7:=3*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)-2*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1),3,1);
X1:=CROSS(VA1,VA2) OR VA6;
X2:=CROSS(84,VRB);
STICKLINE(X1 OR X2,1.5*(DIFF50-DEA50)*1.05,1.5*(DIFF50-DEA50)*1.08,3,0);
Y1:=IF(COUNT(CLOSE0.3 AND COUNT(VA2>VA3,3) AND REF(LOW,1)=LLV(LOW,120) AND CLOSE>OPEN,1,0);
Y2:=IF(CLOSEMA(VOL,5)/240 AND CLOSE>REF(CLOSE,1)*1.08 AND CLOSE0.3 AND COUNT(VR2>VR3,3) AND REF(LOW,1)=LLV(LOW,120) AND CLOSE>OPEN,1,0);
STICKLINE(Y1 OR Y2 OR Y3 OR Y4,1.5*(DIFF50-DEA50)*0.90,1.5*(DIFF50-DEA50)*0.99,3,0);
DD:=C=HHV(C,180);
EE:=DEA< REF(DEA,1) AND REF(DEA< REF(DEA,1),1)=1;
CC:=C> REF(C,1) AND REF(C> REF(C,1),1)=1;
上升背离:(CC AND EE)*1.5*(DIFF50-DEA50),LINETHICK2,COLORWHITE;
顶背离:(DD AND EE AND DEA< HHV(DEA,180))*3*ABS(DIFF50-DEA50),STICK,LINETHICK3,COLORGREEN;
FF:=C=LLV(C,180);
GG:= DEA> REF(DEA,1) AND REF(DEA> REF(DEA,1),1)=1;
LL:=C< REF(C,1) AND REF(C< REF(C,1),1)=1;
下降背离:(LL AND GG)*1.5*(DIFF50-DEA50),LINETHICK2,COLORYELLOW;
底背离:(FF AND GG AND DEA> LLV(DEA,180))*3*(DIFF50-DEA50),STICK,LINETHICK3,COLORRED;
YY:=IF(准备=DEA,1,0),COLORCYAN,NODRAW;
长方形方块:IF(REF(YY,1)=0 AND YY=1 AND 上升背离<0 AND REF(上升背离,1)=0,1,0),COLORCYAN,NODRAW;
解答：
?RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
