#339 how many people answer
#if difference is 0
N=int(input())
A=[int(input())for i in range(N)]
m=A[0]-A[1]
for i in range(1,N-1):
    d=A[i]-A[i+1]
    if d!=0:
        if d<0:
            d*=-1
        if m>d:
            m=d
if A[N-1]!=0:
    if m>A[N-1]:
        m=A[N-1]
S=0
for i in range(N):
    S+=A[i]//m
print(S)