[Baekjoon/Python3] 11508번 2+1 세일

[Baekjoon/Python3] 11508번 2+1 세일

 

www.acmicpc.net/problem/11508

11508번: 2+1 세일

 

n = int(input())
price = [int(input()) for i in range(n)]
price.sort(reverse=True)
total = 0
for i in range(n):
    if i % 3 != 2:
        total += price[i]
print(total)