#include "bits/stdc++.h" #define int long long using namespace std; using ll = long long; using P = pair; const ll INF = (1LL << 61); ll mod = 1000000007; signed main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vectorA(n); for (int i = 0; i < n; i++)cin >> A[i]; int now = 0; int ans = 0; for (int i = 0; i < n - 1; i++) { if (A[i] > A[i + 1]) { now++; } else { ans += (now + 1) / 2; now = 0; } } ans += (now + 1) / 2; cout << n - ans << endl; return 0; }