Countdown wont work

Question

my code:
void rain(){
cout<<"\n";
for(int d=0;d<5;d++){
int g=(1+rand()%20);
for(int i=0;i<g;i++){
cout<<" ";
}
cout<<":\n";
for(int o=0;o<g-1;o++){
cout<<" ";
}
Sleep(1000);
cout<<":";
}

could someone tell me why this wont work?

Answer 1

g has no value

Answer 2

Manuel Soto actually it does look at the 4th line down in the code.

Answer 3

I didn't see it. it was late. it doesn't works depends on the acceptance criteria. what is the expected output?

Answer 4

Manuel Soto it should be like
:
:
every like millisecond or second