题解 | 清楚姐姐买竹鼠
清楚姐姐买竹鼠
https://www.nowcoder.com/practice/816dfe69f83042108cf8c74531a94a35
from re import A
a, b, x = map(int,input().split())
sb = x // 3
sa = x % 3
s = 0
if a >= b:
if x % 3 == 0:
s += sb*b
else:
s += (sb+1)*b
elif a*2 >= b:
if a == 2:
if x % 3 == 0:
s += sb*b
else:
s += (sb+1)*b
else:
s += sb * b + sa * a
elif a*3 >= b:
s += sb * b + sa * a
else:
s += x * a
print(s)

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