题解 | #称砝码#
称砝码
https://www.nowcoder.com/practice/f9a4c19050fc477e9e27eb75f3bfd49c
import sys
n = int(input())
m=list(map(int,input().split()))
x=list(map(int,input().split()))
res={0}
for i in range(n):
for j in range(x[i]):
for k in list(res):
if m[i]+k not in res:
res.add(m[i]+k)
print(len(res))