[프로그래머스] / [Level 1] / [Python] 콜라 문제

https://school.programmers.co.kr/learn/courses/30/lessons/132267#

프로그래머스

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def solution(a, b, n):
    answer = 0
    
    while n >= a:
        d, m = divmod(n, a)
        n = b * d + m

        answer += d * b
    
    return answer