#include #include #pragma GCC target("avx2") #pragma GCC optimize("O3") using namespace std; int inc[102400]; int main() { int N; cin >> N; vector A(N); vector > G(N); for(int i = 0; i < N; ++i) { cin >> A[i]; G[--A[i]].push_back(i); inc[i] = i; } long long ans = 1LL * N * (N + 1) / 2, cursum = ans - N; for(int i = 0; i < N; ++i) { int ini = 0; for(int j = 0; j <= G[i].size(); ++j) { int t = (j != G[i].size() ? G[i][j] : N); for(int k = ini; k < t; ++k) { if(inc[k] < t) { cursum += t - inc[k]; inc[k] = t; } else break; } ini = t + 1; } ans += 1LL * N * N - cursum; } cout << ans << endl; return 0; }