#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define vi vector #define vs vector #define vc vector #define vl vector #define vvi vector> #define vvc vector> #define vvl vector> #define vvvi vector>> #define vvvl vector>> #define pii pair #define pil pair #define pli pair #define pll pair #define vpii vector> #define vpll vector> #define vvpii vector>> #define vvpll vector>> template void debug(T e){ cerr << e << endl; } template void debug(vector &v){ rep(i, v.size()){ cerr << v[i] << " "; } cerr << endl; } template void debug(vector> &v){ rep(i, v.size()){ rep(j, v[i].size()){ cerr << v[i][j] << " "; } cerr << endl; } } template void debug(vector> &v){ rep(i,v.size()){ cerr << v[i].first << " " << v[i].second << endl; } } template void debug(set &st){ for (auto itr = st.begin(); itr != st.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template void debug(multiset &ms){ for (auto itr = ms.begin(); itr != ms.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template void debug(map &mp){ for (auto itr = mp.begin(); itr != mp.end(); itr++){ cerr << itr->first << " " << itr->second << endl; } } void debug_out(){ cerr << endl; } template void debug_out(Head H, Tail... T){ cerr << H << " "; debug_out(T...); } ll op(ll a, ll b){ return max(a, b); } ll e(){ return 1e13 * -1; } int main(){ ll N; cin >> N; vl A(N); rep(i,N) cin >> A[i]; vl diffs(N - 1); rep(i,N - 1){ if (A[i + 1] > A[i]) diffs[i] = 1; else diffs[i] = 0; } ll cnt = 0; for (ll i = 0; i < N - 1; i++){ if (diffs[i] == 1) cnt++; } ll max_cnt = 0; for (ll i = 0; i < cnt; i++){ max_cnt += (N - 2 - i); } ll ans = max_cnt; for (ll i = 0; i < N - 1; i++){ if (diffs[i] == 1){ ans -= i; } } cout << ans << endl; }