c语言高手进来啊!!

#include<graphics.h>

#include<stdio.h>

#define LEFT 120

#define TOP 40

#define SMALL 40

#define RADIUS 20

void draw(int i,int j);

void block(int i,int j);

void map(void);

void drac(int i,int j);

main()

{int i,j;

int gdriver=DETECT,gmode,errorcode;

char ch;

initgraph(&gdriver,&gmode,"F:\\TC");

errorcode=graphresult();

if(errorcode!=grOk)

{ printf("Graphics error: %s\n", grapherrormsg(errorcode));

printf("Press any key to halt:");

getch();

exit(1);

}

map();

getch();

closegraph();

return 0;

}

/*draw a cake*/

void draw(int i,int j)

{setfillstyle(SOLID_FILL,RED);

rectangle(LEFT+i*SMALL,TOP+j*SMALL,LEFT+(i+1)*SMALL,TOP+(j+1)*SMALL);

}

/*draw s cricle*/

void drac(int i,int j)

{setfillstyle(SOLID_FILL,BLUE);

circle(LEFT+i*SMALL+RADIUS,TOP+j*SMALL+RADIUS,RADIUS);

}

/*draw a block*/

void block(int i,int j)

{setfillstyle(SOLID_FILL,BLACK);

bar(LEFT+i*SMALL,TOP+j*SMALL,LEFT+(i+1)*SMALL,TOP+(j+1)*SMALL);

}

/*map*/

void map(void)

{int i,j;

int a[10][10]={{1,1,1,1,1,1,1,1,1,1},

{1,0,0,3,0,0,0,0,0,1},

{1,0,3,0,0,0,0,0,0,1},

{1,0,0,0,2,0,0,0,0,1},

{1,0,3,0,2,3,0,0,0,1},

{1,0,0,0,2,3,0,0,0,1},

{1,0,3,0,0,0,0,0,0,1},

{1,0,3,0,0,0,0,3,0,1},

{1,0,0,0,0,0,0,0,0,1},

{1,1,1,1,1,1,1,1,1,1}};

for(i=0;i<=9;i++)

{for(j=0;i<=9;j++)

{ if(a[i][j]==1) block(i,j);

else if(a[i][j]==2) drac(i,j);

else if(a[i][j]==3) draw(i,j);

}

}

}运行时就白屏啊,完全和预期的不一样啊!!

for(i=0;i<=9;i++)

{for(j=0;i<=9;j++) (i改为j)

{ if(a[i][j]==1) block(i,j);

else if(a[i][j]==2) drac(i,j);

else if(a[i][j]==3) draw(i,j);

}

要细心啊!!