题目 2656: 蓝桥杯2022年第十三届省赛真题-刷题统计

a,b,n = map(int , input().split())

sum = a * 5 + b * 2

count = 0

j = 0

i = n // sum

m = n - i * sum - j * a

while j != 5 and m > 0:

    j += 1

    m = n - i * sum - j * a

while m > 0:

    j += 1

    m = n - i * sum - j * a - (j - 5) * (b - a)

count = i * 7 + j

print(count)