Save The Laddus

Lakshika was bringing some laddus to her home for diwali celebration. But on her way, some of the laddus fell on the road. There is a cat on the road. Consider that the house of Lakshika is at a distance of n from the cat's initial position. Consider that all laddus lie between the cat and Lakshika’s home in one straight line. More than one laddu can be present at one point. The i-th laddu is lo