n = int(input())
a = list(map(int, input().split()))
d = [0] * n
for i in range(1, n - 1):
    if a[i - 1] < a[i]:
        d[i] = d[i - 1] + 1
    else:
        d[i] = d[i - 1]
for i in range(n - 2, 0, -1):
    if a[i + 1] < a[i]:
        d[i] = min(d[i], d[i + 1] + 1)
    else:
        d[i] = min(d[i], d[i + 1])
print(sum(d))