# -*- coding: utf-8 -*-
import sys,copy,math,heapq,itertools as it,fractions,re,bisect,collections as coll

N = int(raw_input())
a = map(int, raw_input().split())

ans = 0
mx = 0
for i in xrange(N):
    if a[i] < mx:
        ans += 1
    else:
        mx = a[i]
print ans