#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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 mod3 100000007 #define vi vector #define vs vector #define vc vector #define vl vector #define vb vector #define vvi vector> #define vvc vector> #define vvl vector> #define vvb 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...); } using mint = modint998244353; void debug_mint1(vector &vec) { for (int i = 0; i < vec.size(); i++) { cerr << vec[i].val() << " "; } cerr << endl; } void debug_mint2(vector> &vec) { for (int i = 0; i < vec.size(); i++) { for (int j = 0; j < vec[i].size(); j++) { cerr << vec[i][j].val() << " "; } cerr << endl; } } // 区間更新区間和の遅延セグ木 struct S{ ll val; ll size; }; S op(S a, S b){ return S{a.val + b.val, a.size + b.size}; } S e(){ return S{0, 0}; } ll ID = 1000000000002LL; S mapping(ll f, S x){ if (f == ID) return x; x.val = f * x.size; return x; } ll composition(ll f, ll g){ if (f == ID) return g; return f; } ll id(){ return ID; } int main() { ll N; cin >> N; vector A(N); rep(i, N){ cin >> A[i]; A[i]--; } // 遅延セグ木 lazy_segtree seg(N + 1); rep(i, N){ seg.set(i, S{-1, 1}); } vector> ids(N + 1, vector(0)); rep(i, N){ ids[A[i]].push_back(i); } ll ans = 0; for (ll i = 0; i < N; i++){ for (ll j = 0; j < ids[i].size(); j++){ ll left; if (j == 0) left = 0; else left = ids[i][j - 1] + 1; ll start = left; ll right = ids[i][j] + 1; if (seg.get(left).val > ids[i][j]) continue; while (right - left > 1){ ll mid = (left + right) / 2; if (seg.get(mid).val > ids[i][j]){ right = mid; } else{ left = mid; } } seg.apply(start, right, ids[i][j]); } if (ids[i].size() == 0){ break; } seg.apply(ids[i][ids[i].size() - 1] + 1, N, N); ans += (N * N - seg.prod(0, N).val); } cout << ans + (N * (N + 1) / 2) << endl; }