Hey! Can anybody help with this problem? This problem says that we are in a point (x,y) and we have n lines (defined by the line's equation a,b,c). How many lines can we see from that point? If we see only a point of a line, we do not consider that line at all. I think we should find the intersections of all the lines firstly, but I do not have certain ideas. The number of lines is 10.000, does anybody have ideas?