[Solved] expected ‘)’ error in a c++ code [closed]

void Bresenham(int x1,int y1, int x2, int y2, colour)
                                              ^ you forgot the type here

It should be

void Bresenham(int x1,int y1, int x2, int y2, int colour)

( But you are not even using this function in your code )

You should also use int main() over void main()

int main()
  {
     // your code
    return 0;
  }

You also have an error here

cout>>"Enter your Favorite Colour:";
     ^
     here

it should be

cout << "Enter your Favorite Colour:";

and

cin<<colour;

should be

cin >> colour;

You also have an extra parameter in your call yo line(). Remove that colour from there . It should be

line( x1 , y1 , x2 , y2 );

If you want to set the color, use

setcolor( /* color code */ );

These are the color codes

 0   BLACK
 1   BLUE
 2   GREEN
 3   CYAN
 4   RED
 5   MAGENTA
 6   BROWN
 7   LIGHTGRAY
 8   DARKGRAY
 9   LIGHTBLUE
 10  LIGHTGREEN
 11  LIGHTCYAN
 12  LIGHTRED
 13  LIGHTMAGENTA
 14  YELLOW
 15  WHITE

Example, to get RED, you use

setcolor( 4 );