题解 | 买橘子

\\比较笨的一种方法
N = int(input())
n = N // 8
cnt = n
flage = 0
for i in range(n):
    tag =  (N-(cnt * 8)) // 6
    if (6* tag +8 * cnt) == N:
        print(tag+ cnt)
        flage = 1
        break
    cnt -=1

if not flage and N % 6 ==0:
    flage = 1
    print(int(N/6))
if not flage:
    print(-1)