On the pictures you see the problem statement, an example and the first task. Can someone answer this?

2 Problem statement It is summer in Sunny Beach. A famous Danish chain of bars (not to be named) owns n bars along the shore, which are connected by the shore highway. Eaclh bar has a limited supply b, of beers. Since no one knows which bar the customers will prefer, we would like each bar to have the same amount of beers. In order to achieve this, that company has hired two Danish stud the bars in their truck. However, being Danish, the students each drink a beeir per kilometer they drive1 ents to haul beers between Your task will be to help the chain calculate the largest amount of beers b they can have at all bars. Specifically, you must describe an algorithm with the following input and output specifications: Input: The position p and beer supply b of each bar. Here b, is the supply for the bar at position pi. You may assume that the positions are in sorted order-ie. pi