#include<conio.h>
#include<stdio.h>
#include<stdlib.h>
#include<graphics.h>
int a[3][3]={1,1,1,1,1,1,1,1,1};                      /*INITIALIZE SIX PLANS*/
int b[3][3]={2,2,2,2,2,2,2,2,2};
int c[3][3]={4,4,4,4,4,4,4,4,4};
int d[3][3]={3,3,3,3,3,3,3,3,3};
int e[3][3]={5,5,5,5,5,5,5,5,5};
int f[3][3]={7,7,7,7,7,7,7,7,7};
int top[3][3],front[3][3],side[3][3];
int position=0,temp[3]={0,0,0},new[3][3];             /*POSITION ASSIGN THE ARROW POSITION*/
int sign;
main()
{
int l=60,x=50,y=50,key,count,input=0,errorcode;                 /*L MEANS THE LENTH OF THE SQUARE,X MEANS THE INITAIL POSITION OF X,Y MEANS THE INITIAL POSITION OF Y*/
int a1[3][3]={1,1,1,1,1,1,1,1,1};                     /*INITIALIZE SIX PLANS FOR BACKUP*/
int b1[3][3]={2,2,2,2,2,2,2,2,2};
int c1[3][3]={4,4,4,4,4,4,4,4,4};
int d1[3][3]={3,3,3,3,3,3,3,3,3};
int e1[3][3]={5,5,5,5,5,5,5,5,5};
int f1[3][3]={7,7,7,7,7,7,7,7,7};
int graphdriver=VGA,graphmode=VGAHI;
initgraph(&graphdriver,&graphmode,"");
errorcode = graphresult();
if (errorcode != grOk)                                /*MEET ERROR*/
{                                                     /*SHOW THE ERROE*/
printf("Graphics error: %s\n", grapherrormsg(errorcode));
printf("Press any key to exit:");
getch();
exit(1);
}
drawing(x,y,l);                                       /*DRAWING THE BIG SQUARE*/
drawing(x+400,y,l/2);                                 /*DRAWING THE SMALL SQUARE*/
do
{
sign=position%3;                                      /*COPY DATA TO SHOW*/
copy (&a,&top);
copy (&b,&front);
copy (&c,&side);
color(x,y,l);                                         /*SHOWING THE BIG SQUARE*/
copy (&e,&top);
change2(&top,1);
copy (&f,&front);
change2(&front,2);
copy (&d,&side);
color(x+400,y,l/2);                                   /*SHOWING THE SMALL SQUARE*/
setcolor(14);
arrow(x,y,l);
key=bioskey(0);                                       /*READ KEYBORD*/
switch(key)
{
case 283:printf("Esc");                               /*IF INPUT_KEY="ESC" TO EXIT THE PROGRAM*/
     goto end;
case 20480:setcolor(0);                               /*IF INPUT_KEY="DOWN" TO CHANGE THE ARROW*/
       arrow(x,y,l);
       if(position==8)
       position=0;
           else
       position=position+1;
           break;                                     /*IF INPUT_KEY="UP" TO CHANGE THE ARROW*/
case 18432:setcolor(0);
       arrow(x,y,l);
       if(position==0)
       position=8;
       else
       position=position-1;
       break;
case 19712:input=1;                                   /*IF INPUT_KEY="RIGHT" TO MOVE FORWARD*/
       break;
case 19200:input=3;                                   /*IF INPUT_KEY="LEFT" TO MOVE REWARD*/
           break;
case 7181: setcolor(0);                               /*IF INPUT_KEY="ENTER" TO RELOAD */
       arrow(x,y,l);
           copy(&a1,&a);
           copy(&b1,&b);
           copy(&c1,&c);
           copy(&d1,&d);
           copy(&e1,&e);
           copy(&f1,&f);
           position=0;
           break;
case 14624:setcolor(0);                               /*IF INPUT_KEY="SPACE" TO RANDOM MOVE*/
       arrow(x,y,l);
           randomize();
           position=random(9);
           input=1;
           break;
}
if(input!=0)                                          /*USE POSITION TO JUDGE AND CHANGE DATA*/
{                                                     /*IF INPUT=0,CHANGE CLOCKWISE,IF INPUT=3,CHANGE REVERSE-CLOCKWISE*/
for(count=0;count<input;count++)
{
           if(position/3==0)                          /*IF NEED TO CHANGE TOP*/
       {
       change2(&b,1);
       change2(&c,1);
       change2(&d,3);
       change2(&f,1);
           change1(&b,&c);
           change1(&c,&d);
           change1(&d,&f);
           change1(&f,&b);
       change2(&b,3);
       change2(&c,3);
       change2(&d,1);
       change2(&f,3);
           temp[0]=0;temp[1]=0;temp[2]=0;
       if(position%3==0)
           change2(&a,1);
           if(position%3==2)
           change2(&e,1);
       }

           if(position/3==1)                          /*IF NEED TO CHANGE FRONT*/
       {
           change1(&a,&b);
           change1(&b,&e);
           change1(&e,&d);
           change1(&d,&a);
       temp[0]=0;temp[1]=0;temp[2]=0;
       if(position%3==0)
           change2(&f,1);
           if(position%3==2)
           change2(&c,1);
           }

           if(position/3==2)                          /*IF NEED TO CHANGE SIDE*/
       {
           change2(&a,3);
           change2(&e,1);
           change2(&f,2);
           change1(&a,&c);
           change1(&c,&e);
           change1(&e,&f);
           change1(&f,&a);
           change2(&a,1);
           change2(&e,3);
           change2(&f,2);
           temp[0]=0;temp[1]=0;temp[2]=0;
       if(position%3==0)
           change2(&b,1);
           if(position%3==2)
           change2(&d,1);
           }
}
input=0;
}
}
while(1);
end:
clearviewport();                                      /*CLEAR THE SCREEN*/
}

drawing(int inital_x,int inital_y,int lenth)          /*DRAWING THE STRUCTURE OF THE PICTURE*/
{
setlinestyle(0,0,3);
line(inital_x+1.5*lenth,inital_y+0,inital_x+4.5*lenth,inital_y+0);
line(inital_x+1.0*lenth,inital_y+0.5*lenth,inital_x+4.0*lenth,inital_y+0.5*lenth);
line(inital_x+0.5*lenth,inital_y+1*lenth,inital_x+3.5*lenth,inital_y+1*lenth);
line(inital_x+0,inital_y+1.5*lenth,inital_x+3*lenth,inital_y+1.5*lenth);
line(inital_x+0,inital_y+2.5*lenth,inital_x+3*lenth,inital_y+2.5*lenth);
line(inital_x+0,inital_y+3.5*lenth,inital_x+3*lenth,inital_y+3.5*lenth);
line(inital_x+0,inital_y+4.5*lenth,inital_x+3*lenth,inital_y+4.5*lenth);
line(inital_x+0,inital_y+1.5*lenth,inital_x+0,inital_y+4.5*lenth);
line(inital_x+1.0*lenth,inital_y+1.5*lenth,inital_x+1.0*lenth,inital_y+4.5*lenth);
line(inital_x+2.0*lenth,inital_y+1.5*lenth,inital_x+2.0*lenth,inital_y+4.5*lenth);
line(inital_x+3.0*lenth,inital_y+1.5*lenth,inital_x+3.0*lenth,inital_y+4.5*lenth);
line(inital_x+3.5*lenth,inital_y+1.0*lenth,inital_x+3.5*lenth,inital_y+4.0*lenth);
line(inital_x+4.0*lenth,inital_y+0.5*lenth,inital_x+4.0*lenth,inital_y+3.5*lenth);
line(inital_x+4.5*lenth,inital_y+0,inital_x+4.5*lenth,inital_y+3.0*lenth);
line(inital_x+1.5*lenth,inital_y+0,inital_x+0,inital_y+1.5*lenth);
line(inital_x+2.5*lenth,inital_y+0,inital_x+1.0*lenth,inital_y+1.5*lenth);
line(inital_x+3.5*lenth,inital_y+0,inital_x+2.0*lenth,inital_y+1.5*lenth);
line(inital_x+4.5*lenth,inital_y+0,inital_x+3.0*lenth,inital_y+1.5*lenth);
line(inital_x+4.5*lenth,inital_y+1.0*lenth,inital_x+3.0*lenth,inital_y+2.5*lenth);
line(inital_x+4.5*lenth,inital_y+2.0*lenth,inital_x+3.0*lenth,inital_y+3.5*lenth);
line(inital_x+4.5*lenth,inital_y+3.0*lenth,inital_x+3.0*lenth,inital_y+4.5*lenth);
}
color(int inital_x,int inital_y,int lenth)            /*FILL COLOR BY THE DATA*/
{
int i,j;
int color_num;
int x1=inital_x+1.5*lenth;
int y1=inital_y+0.25*lenth;
int x2,y2;
for (i=0;i<3;i++)
{
x2=x1;
y2=y1;
for (j=0;j<3;j++)
{
color_num=top[i][j];
setfillstyle(1,color_num);
floodfill(x2,y2,WHITE);
x2=x2+lenth;
}
x1=x1-0.5*lenth;
y1=y1+0.5*lenth;
}
x1=inital_x+0.5*lenth;
y1=inital_y+2*lenth;
for (i=0;i<3;i++)
{
x2=x1;
y2=y1;
for (j=0;j<3;j++)
{
color_num=front[i][j];
setfillstyle(1,color_num);
floodfill(x2,y2,WHITE);
x2=x2+lenth;
}
y1=y1+lenth;
}
x1=inital_x+3.25*lenth;
y1=inital_y+2*lenth;
for (i=0;i<3;i++)
{
x2=x1;
y2=y1;
for (j=0;j<3;j++)
{
color_num=side[i][j];
setfillstyle(1,color_num);
floodfill(x2,y2,WHITE);
x2=x2+0.5*lenth;
y2=y2-0.5*lenth;
}
y1=y1+lenth;
}
}
arrow(int inital_x,int inital_y,int lenth)            /*DRAWING THE ARROW BY THE POSITION*/
{
if(position<=2)
{
line(inital_x-30,inital_y+2*lenth-3+position*lenth,inital_x-20,inital_y+2*lenth-3+position*lenth);
line(inital_x-30,inital_y+2*lenth+3+position*lenth,inital_x-20,inital_y+2*lenth+3+position*lenth);
line(inital_x-21,inital_y+2*lenth-6+position*lenth,inital_x-15,inital_y+2*lenth+position*lenth);
line(inital_x-21,inital_y+2*lenth+6+position*lenth,inital_x-15,inital_y+2*lenth+position*lenth);
}
if(position<=5&&position>2)
{
line(inital_x+0.5*lenth+(position-3)*lenth-3,inital_y+4.5*lenth+30,inital_x+0.5*lenth+(position-3)*lenth-3,inital_y+4.5*lenth+20);
line(inital_x+0.5*lenth+(position-3)*lenth+3,inital_y+4.5*lenth+30,inital_x+0.5*lenth+(position-3)*lenth+3,inital_y+4.5*lenth+20);
line(inital_x+0.5*lenth+(position-3)*lenth-6,inital_y+4.5*lenth+21,inital_x+0.5*lenth+(position-3)*lenth,inital_y+4.5*lenth+15);
line(inital_x+0.5*lenth+(position-3)*lenth+6,inital_y+4.5*lenth+21,inital_x+0.5*lenth+(position-3)*lenth,inital_y+4.5*lenth+15);
}
if(position>5)
{
line(inital_x+3.25*lenth+(position-6)*lenth*0.5-3+5,inital_y+4.5*lenth+30-(position-5)*0.5*lenth+20,inital_x+3.25*lenth+(position-6)*0.5*lenth-3+5,inital_y+4.5*lenth+20-(position-5)*0.5*lenth+20);
line(inital_x+3.25*lenth+(position-6)*lenth*0.5+3+5,inital_y+4.5*lenth+30-(position-5)*0.5*lenth+20,inital_x+3.25*lenth+(position-6)*0.5*lenth+3+5,inital_y+4.5*lenth+20-(position-5)*0.5*lenth+20);
line(inital_x+3.25*lenth+(position-6)*lenth*0.5-6+5,inital_y+4.5*lenth+21-(position-5)*0.5*lenth+20,inital_x+3.25*lenth+(position-6)*0.5*lenth+5,inital_y+4.5*lenth+15-(position-5)*0.5*lenth+20);
line(inital_x+3.25*lenth+(position-6)*lenth*0.5+6+5,inital_y+4.5*lenth+21-(position-5)*0.5*lenth+20,inital_x+3.25*lenth+(position-6)*0.5*lenth+5,inital_y+4.5*lenth+15-(position-5)*0.5*lenth+20);
}
}
copy (int *p,int *q)
{
int i,j;
for (i=0;i<3;i++)
{
for (j=0;j<3;j++)
{
*q=*p;
p++;
q++;
}
}
}
change1(int *p,int *q)                                /*CONVERT TWO ARRAY*/
{
int i,ling;
p=p+sign;
q=q+sign;
if (temp[0]==0)
{
for(i=0;i<3;i++)
{
temp[i]=*p;
p=p+3;
}
p=p-9;
}
for(i=0;i<3;i++)
{
ling=*q;
*q=temp[i];
temp[i]=ling;
p=p+3;
q=q+3;
}
}
change2(int *p,int x)                                 /*CHANGE THE ARRAY BY REVERSE-CLOCKWISE*/
{
int i,j,k;
for (k=0;k<x;k++)
{
for(i=0;i<3;i++)
{
for(j=2;j>=0;j--)
{
new[j][i]=*p;
p=p+1;
}
}
p=p-9;
for (i=0;i<3;i++)
{
for (j=0;j<3;j++)
{
*p=new[i][j];
p++;
}
}
p=p-9;
}
}

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