Chơi oằn tù tì

#include
#include
#include

void main()
{
char chon,chon1;
//int x=rand()%(4-1+1)+1;
printf(" oan tu ti ra cai gi ra cai nay: ");
scanf("%s",&chon);
switch(chon)
{
case 'b':
case 'B': printf("ban chon Bua \n");
printf(" oan tu ti ra cai gi ra cai nay: ");
scanf("%s",&chon1);
switch(chon1)
{
case 'b':
case 'B': printf("bua hoa voi bua \n");
break;
case 'k':
case 'K': printf("keo thua voi bua \n");
break;
case 'g':
case 'G': printf("giay thang voi bua \n");

}break;
case 'k':
case 'K': printf("ban chon Keo \n");
printf(" oan tu ti ra cai gi ra cai nay: ");
scanf("%s",&chon1);
switch(chon1)
{
case 'b':
case 'B': printf("bua thua voi keo \n");
break;
case 'k':
case 'K': printf("keo hoa voi keo\n");
break;
case 'g':
case 'G': printf("giay thang voi keo \n");

}break;
case 'g':
case 'G': printf("ban chon Giay \n");
printf(" oan tu ti ra cai gi ra cai nay: ");
scanf("%s",&chon1);
switch(chon1)
{
case 'b':
case 'B': printf("bua thua voi giay \n");
break;
case 'k':
case 'K': printf("keo thang voi giay \n");
break;
case 'g':
case 'G': printf("giay hoa voi giay \n");

}break;


};

getch();
}