from itertools import accumulate
from sys import stdin


def main():
    input = lambda: stdin.readline()[:-1]
    N = int(input())
    A = map(int, input().split())

    if N == 1:
        print(1)
        return

    a = tuple(accumulate(A))
    for n in range(N, 0, -1):
        d, m = divmod(a[-1], n)
        if m:
            continue
        ans = 0
        for ai in a[::-1]:
            if ai == d * n:
                ans += 1
                n -= 1
                if not n:
                    print(ans)
                    return


main()