What's the wrong in my last code?

Answer 1

In line 27 and 30 '{' should be after for(;;;){.....}
not before for loop..

Just replace this....
for(x=0;x>=6;x++){
cout<<" you lost"<<endl;}

for(x=0;x<6;x++){
cout<<"you win"<<endl;
cout<<"your score is 10"<<endl;}

to your code..

P.s: I don't know what your game really is...

Answer 2

the problem is in the for loop. a for loop syntax should look like
for ( d=1;d <12;d++);
your program is expecting 2 semicolons between the for loop brackets.