#include using namespace std; #define fst(t) std::get<0>(t) #define snd(t) std::get<1>(t) #define thd(t) std::get<2>(t) using ll = long long; using P = std::tuple; const int dx[8] = {-1, 1, 0, 0, -1, -1, 1, 1}, dy[8] = {0, 0, -1, 1, -1, 1, -1, 1}; // I want to delete this stupid solution ;( #define sandwich(x) [](auto a, auto b){return (x)(a, b);} template using F2 = std::function; template > struct SegmentTree{ SegmentTree(T u, F f = F()){ size = 1; while(size < N){ size <<= 1; } unit = u; func = f; init(); } void init(){ for(int i=0;i0;--i){ data[i] = func(data[i*2], data[i*2+1]); } } void update(int k, int v){ k += size; data[k] = v; while(k > 1){ k >>= 1; data[k] = func(data[k*2], data[k*2+1]); } } inline T query(int l, int r){ return _query(l, r, 1, 0, size); } T _query(int a, int b, int k, int l, int r){ if(b <= l || r <= a){return unit;} if(a <= l && r <= b){return data[k];} int mid = (l + r) >> 1; return func(_query(a, b, 2*k, l, mid), _query(a, b, 2*k+1, mid, r )); } T unit, data[N*4]; int size; F func; }; template struct SegmentTree2{ SegmentTree2(){ size = 1; while(size < N){ size <<= 1; } init(); } void init(){ for(int i=0;i 1){ k >>= 1; data2[k] = data2[k*2] + data2[k*2+1]; } } inline ll query(int l, int r){ return _query(l, r, 1, 0, size); } ll _query(int a, int b, int k, int l, int r){ if(b <= l || r <= a){return 0ll;} if(a <= l && r <= b){return data2[k];} int mid = (l + r) >> 1; return _query(a, b, 2*k, l, mid) + _query(a, b, 2*k+1, mid, r); } P data[N]; ll data2[N*4]; int size; }; int N; int A[200000], L[200000], H[200000]; void compress(){ vector v(A, A+N); sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); for(int i=0;i segtree_l(0), segtree_r(0), segtree(0); SegmentTree2<200000> segtree2; int main(){ //* std::cin.tie(nullptr); std::ios::sync_with_stdio(false); /*/ /*/ std::cin >> N; for(int i=0;i> A[i]; } int Q; std::cin >> Q; for(int i=0;i> L[i] >> H[i]; } compress(); // for(int i=0;i0;--i){ ll mx_p_n = 1ll * segtree_l.query(0, A[i]) * segtree_r.query(0, A[i]) - segtree2.query(0, A[i]), mn_p_n = 1ll * segtree_l.query(A[i]+1, N) * segtree_r.query(A[i]+1, N) - segtree2.query(A[i]+1, N); // std::cout << i << ": " << A[i] << ", " << (mx_p_n + mn_p_n) << std::endl; segtree.update(A[i], segtree.data[A[i] + segtree.size] + mx_p_n + mn_p_n); segtree_l.update(A[i-1], segtree_l.data[A[i-1] + segtree_l.size] - 1); segtree_r.update(A[i], segtree_r.data[A[i] + segtree_r.size] + 1); segtree2.addFirst(A[i-1], -1); segtree2.addSecond(A[i], +1); } for(int i=0;i