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https://school.programmers.co.kr/learn/courses/30/lessons/132265코드def solution(topping): answer = 0 acc = [0]*(len(topping)) acc_reverse = [0]*(len(topping)) s = set() s_reverse = set() for i in range(len(topping)): s.add(topping[i]) acc[i] = len(s) s_reverse.add(topping[len(topping)-1-i]) acc_reverse[len(topping)-1-i] = len(s_reverse) # 공평하게 나누는 ..