flip-flop C++

#include
#include
void main()
{
int q,qq,t,pil;
char pil2;
do
{
do
{
clrscr() ;
printf("\nMasukan nilai\n");
printf("Nilai Masukan S : ");scanf("%d",&q);
printf("Nilai Masukan R : ");scanf("%d",&qq);
}
while(!(((q==1)||(q==0))&&((qq==1)||(qq==0))));
printf("\n\nMasukan Pilihan Flip FLop\n\t1.FF-RS\n\t2.FF-RS Berdetak\n");
fflush(stdin);
printf("Pilihan (sesuai nomor): ");scanf("%d",&pil);
switch(pil)
{
case 1:
printf("\n\nMasukan Mode Operasi :\n\t10.Larangan(FF-RS)\n\t11.SET(FF-RS)\n\t12.RESET(FF-RS)\n\t13.TETAP(FF-RS)\n");
fflush(stdin);
printf("Pilihan (sesuai nomor): ");scanf("%d",&pil);
switch(pil)
{
case 10:
if(q==0&&qq==0)
printf("\n\nOutput Mode\nQ = 1\nQ' = 1\n\n");
else
printf("\nINPUT BUKAN MODE INI\n");
break;
case 11:
if(q==0&&qq==1)
printf("\n\nOutput Mode\nQ = 1\nQ' = 0\n\n");
else
printf("\nINPUT BUKAN MODE INI\n");
break;
case 12:
if(q==1&&qq==0)
printf("\n\nOutput Mode\nQ = 0\nQ' = 1\n\n");
else
printf("\nINPUT BUKAN MODE INI\n");
break;
case 13:
if(q==1&&qq==1)
printf("\nKeluaran Tak Berubah\n");
else
printf("\nINPUT BUKAN MODE INI\n");
break;
}

case 2:
printf("\n\nMasukan Mode Operasi :\n\t20.Larangan(FF-RS berdetak)\n\t21.SET(FF-RS berdetak)\n\t22.RESET(FF-RS berdetak)\n\t23.TETAP(FF-RS berdetak)\n");
fflush(stdin);
printf("Pilihan (sesuai nomor): ");scanf("%d",&pil);
switch(pil)
{
case 20:
if(q==0&&qq==0)
printf("\nTIDAK BERUBAH\n");
else
printf("\nINPUT BUKAN MODE INI\n");
break;
case 21:
if(q==0&&qq==1)
printf("\n\nOutput Mode\nQ = 0\nQ' = 1\n\n");
else
printf("\nINPUT BUKAN MODE INI\n");
break;
case 22:
if(q==1&&qq==0)
printf("\n\nOutput Mode\nQ = 1\nQ' = 0\n\n");
else
printf("\nINPUT BUKAN MODE INI\n");
break;
case 23:
if(q==1&&qq==1)
printf("\n\nOutput Mode\nQ = 1\nQ' = 1\n\n");
else
printf("\nINPUT BUKAN MODE INI\n");
break;
}
break;
}
getch();
printf("\nMau Ulang ? (bila ingin, pilih 'y' saja) ");
fflush(stdin);
scanf("%c",&pil2);
}
while(pil2=='y');
getch();
}