#include <bits/stdc++.h> #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; using ll = long long; const ll mod = 998244353; #define fi first #define se second #define rep(i,n) for(ll i=0;i<n;i++) #define all(x) x.begin(),x.end() #define faster ios::sync_with_stdio(false);cin.tie(nullptr) int main() { ll N; cin >> N; vector<ll> A(N); rep(i,N) cin >> A[i]; ll id=N-1; rep(i,N-1){ if(A[i+1]>A[i]){ id=i; break; } } ll ans=0; for(ll i=id;i>=0;i--){ if(A[i]==A[id]){ ans++; }else{ break; } } cout << ans << endl; return 0; }