The day you exceed the goal

You have start followers today, and you gain per_day followers each day. Complete the function solution, which returns the first day on which you have more than goal followers.

Today is day 0. If you already have more than goal followers today, return 0.

Function

solution(start, per_day, goal)

Constraints

• start and goal are integers from 0 to 1,000,000,000,000.
• per_day is an integer from 1 to 1,000,000.

Examples

Starter code

def solution(start, per_day, goal):
    answer = 0
    return answer