题解 | #称砝码#
称砝码
https://www.nowcoder.com/practice/f9a4c19050fc477e9e27eb75f3bfd49c
n = int(input())
m = list(map(int,input().split()))
x = list(map(int,input().split()))
amount = []
weight = {0,}
for i in range(n):
for j in range(x[i]):
amount.append(m[i])
for i in amount:
for j in list(weight):
weight.add(i + j)
print(len(weight))
