from itertools import accumulate

N = int(input())
A = list(map(int, input().split()))

acc = list(accumulate(A))
tot = sum(A)
st = set(acc)
for b in acc:  # 作られる数列の要素
    for x in range(b+b, tot, b):
        if x not in st:
            break
    else:
        print(tot // b)
        exit()

print(1)