#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define endl codeforces #define ALL(v) std::begin(v), std::end(v) #define ALLR(v) std::rbegin(v), std::rend(v) using ll = std::int64_t; using ull = std::uint64_t; using pii = std::pair; using tii = std::tuple; using pll = std::pair; using tll = std::tuple; template using vec = std::vector; template using vvec = vec>; template const T& var_min(const T &t) { return t; } template const T& var_max(const T &t) { return t; } template const T& var_min(const T &t, const Tail&... tail) { return std::min(t, var_min(tail...)); } template const T& var_max(const T &t, const Tail&... tail) { return std::max(t, var_max(tail...)); } template void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); } template void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); } template const T& clamp(const T &t, const T &low, const T &high) { return std::max(low, std::min(high, t)); } template void chclamp(T &t, const T &low, const T &high) { return t = clamp(t, low, high); } template T make_v(T init) { return init; } template auto make_v(T init, std::size_t s, Tail... tail) { auto v = std::move(make_v(init, tail...)); return vec(s, v); } template struct multi_dem_array { using type = std::array::type, Head>; }; template struct multi_dem_array { using type = std::array; }; template using mdarray = typename multi_dem_array::type; namespace init__ { struct InitIO { InitIO() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(30); } } init_io; } vec cnt_l(const vec &p) { ll n = p.size(); vec ret(n), ord(n); std::iota(ALL(ord), 0); std::sort(ALL(ord), [&](ll i, ll j) { return p[i] > p[j]; }); std::set used; used.insert(n); auto minv = [&] { ll cur = n; vec idx_v; for (ll i = 0; i < n; i++) { ll e = p[i]; if (e < cur) { cur = e; idx_v.push_back(i); } } return idx_v; }(); for (ll idx : ord) { ll r = *used.lower_bound(idx); auto itel = std::upper_bound(ALL(minv), idx); auto iter = std::upper_bound(ALL(minv), r); ret[idx] = std::distance(itel, iter); } return ret; } int main() { ll n; std::cin >> n; vec p(n); for (ll &e : p) { std::cin >> e; e--; } auto lv = cnt_l(p); std::reverse(ALL(p)); auto rv = cnt_l(p); std::reverse(ALL(p)); std::reverse(ALL(rv)); ll ans = 0; for (ll i = 0; i < n; i++) ans += (lv[i] + 1) * (rv[i] + 1) - 1; std::cout << ans << '\n'; return 0; }