need help programing demobot to find color also if possible to search for more then more colors at once please tell me

hello my name is ryan i have a bot ball tornament on satuarday so please send me a program that can look for colors and go towards it.program below.

int main()

{

int x ;
int red,yellow,blue =1;

printf("follow red cube,then yellow cube,and then blue cube\nB to end\n");

while(b_button()==1) {

track_update();;//get new image

if (track_count(red ) > 1){

x = track_x(red,yellow,blue//cubes

green, 1);//biggest pink blob

mav(0,500+5*(80-x));

mav(3,500+5*(x-80));

sleep(.2);

else{//slowly spin

}
{
mav(0,500);

mav(3,-500);

printf("Looking for red,yellow,blue\n");

sleep(.2);

printf("Finished\n");

return 0;

}