题解 | #称砝码#

```while True:
    try:
        n = int(input())
        m = list(map(int, input().split()))
        x = list(map(int, input().split()))
        res = []
        for i in range(n):
            for j in range(x[i]):
                res.append(m[i])

        weight = {0}
        for i in res:
            for j in list(weight):
                tmp = i + j
                weight.add(i+j)
        print(len(weight))
        
    except:
        break