#ifdef LOCAL111 #define _GLIBCXX_DEBUG #else #pragma GCC optimize ("O3") #define NDEBUG #endif // #define _USE_MATH_DEFINES #include const int INF = 1e9; using namespace std; template ostream& operator<< (ostream& os, const pair& p) { os << '(' << p.first << ' ' << p.second << ')'; return os; } #define endl '\n' #define ALL(a) (a).begin(),(a).end() #define SZ(a) int((a).size()) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) #ifdef LOCAL111 #define DEBUG(x) cout<<#x<<": "<<(x)< void dpite(T a, T b){ for(T ite = a; ite != b; ite++) cout << (ite == a ? "" : " ") << *ite; cout << endl;} #else #define DEBUG(x) true template void dpite(T a, T b){ return; } #endif #define F first #define S second #define SNP string::npos #define WRC(hoge) cout << "Case #" << (hoge)+1 << ": " template void pite(T a, T b){ for(T ite = a; ite != b; ite++) cout << (ite == a ? "" : " ") << *ite; cout << endl;} template bool chmax(T& a, T b){if(a < b){a = b; return true;} return false;} template bool chmin(T& a, T b){if(a > b){a = b; return true;} return false;} template vector make_v(size_t a){return vector(a);} template auto make_v(size_t a,Ts... ts){ return vector(ts...))>(a,make_v(ts...)); } template typename enable_if::value!=0>::type fill_v(U &u,const V... v){u=U(v...);} template typename enable_if::value==0>::type fill_v(U &u,const V... v){ for(auto &e:u) fill_v(e,v...); } const array dx = {0, 1, 0, -1}; const array dy = {1, 0, -1, 0}; typedef long long int LL; typedef unsigned long long ULL; typedef pair P; void ios_init(){ //cout.setf(ios::fixed); //cout.precision(12); #ifdef LOCAL111 return; #endif ios::sync_with_stdio(false); cin.tie(0); } // 検証しなおしたい //library typedef long long cost_t; class Edge { public: int to = -1; cost_t cost = -1; Edge(){ } Edge(int x,cost_t y){ to = x; cost = y; } // Edge(int x, int y, cost_t z){ // // from = x; // to = y; // cost = z; // } // Edge(int x, int y, int r, cost_t z){ // // from = x; // to = y; // cost = z; // // rev = r; // } bool operator< (const Edge& x) const { if(cost != x.cost) return cost < x.cost; return to < x.to; } bool operator> (const Edge& x) const { if(cost != x.cost) return cost > x.cost; return to > x.to; } }; class Graph { private: typedef vector Edges; //const long long int INF = (long long)1e18; vector v; int n; public: Graph(int x){ n = x; v = vector(x); } Graph(){} Edges& operator[](int x){ return v[x]; } const Edges& operator[](int x) const { return v[x]; } int size() const { return n; } void add_edge(int from, const Edge &e){ v[from].push_back(e); } void add_edge(int from, int to, cost_t cost = -1){ add_edge(from,Edge(to,cost)); } // void add_edge(int from, int to, cost_t cost = -1, int rev = -1){ // add_edge(from,Edge(from,to,rev,cost)); // } void add_uedge(int from, int to, cost_t cost = -1){ add_edge(from,to,cost); add_edge(to,from,cost); } }; class GraphVizualizer{ int cnt; public: GraphVizualizer(){ cnt = 0; } void operator() (const Graph &g, bool with_dir = true, bool with_cap = false){ ofstream ofs("./out.dot"); if(!with_dir) ofs << "graph graph_name {" << endl; else ofs << "digraph graph_name {" << endl; for(int i = 0; i < (int)g.size(); ++i) { ofs << " " << i << "[];" << endl; } for(int i = 0; i < (int)g.size(); i++){ if (!g[i].size()) continue; for(const auto &e : g[i]){ if(!with_dir){ if(e.to > i) ofs << " " << i << " -- " << e.to ; }else ofs << " " << i << " -> " << e.to ; if (with_cap) { ofs << " [ label = \"" << (e.cost == INF ? "inf" : to_string(e.cost)) << "\"];"; } if(with_dir or e.to > i)ofs << endl; } } ofs << "}" << endl; ofs.close(); string cmd = "dot -T png out.dot > "; cmd = cmd+"sample"+to_string(cnt)+".png"; system(cmd.c_str()); cnt++; } }; //library template class Segtree { private: public: vector dat; T init; int n; function f; // T f(T x, T y){ // return ; // } Segtree(int n_, T init_, function f_){ init = init_; //単位元を代入させる。 n = 1; f = f_; while(n_ > n){ n <<= 1; } dat = vector(2*n); for(int i = 0; i < 2*n; i++){ dat[i] = init; } } void update(int k, T a){ k += n-1; dat[k] = a; while(k > 0){ k = (k-1)/2; dat[k] = f(dat[2*k+1],dat[2*k+2]); } } T _query(int a, int b, int k, int l, int r){ if(r <= a || b <= l) return init; if(a <= l && r <= b) return dat[k]; else{ T vl = _query(a, b, k*2+1, l, (l+r)/2); T vr = _query(a, b, k*2+2, (l+r)/2, r); return f(vl,vr); } } T query(int a, int b){ return _query(a, b, 0, 0, n); } }; int main() { ios_init(); int n, q; // GraphVizualizer viz; while(cin >> n >> q) { vector a(n); REP(i, n) cin >> a[i]; vector

lr(q); REP(i, q) { int t, l, r; cin >> t >> l >> r; lr[i] = {l - 1, r}; } auto za = a; sort(ALL(za)); za.erase(unique(ALL(za)), za.end()); Graph g(n); const int INF = 1e7; Segtree seg(SZ(za), INF, [&](int x, int y) { return min(x, y); }); RREP(i, n) { DEBUG(i); int k = lower_bound(ALL(za), a[i]) - za.begin(); DEBUG(k); int j = seg.query(k + 1, SZ(za)); DEBUG(j); if(j != INF) g.add_uedge(i, j); seg.update(k, i); dpite(ALL(seg.dat)); } // viz(g); vector> qv(n); REP(i, q) { qv[lr[i].F].emplace_back(lr[i].S, i); } vector ans(q); using heap = priority_queue, greater

>; vector used(n, false); function rec = [&](int cur, int dep, heap &qu) { if(used[cur]) return; used[cur] = true; for(auto&& e : g[cur]) { rec(e.to, dep + 1, qu); } DEBUG(cur); dpite(ALL(qv[cur])); for(auto&& e : qv[cur]) { DEBUG(e); ans[e.S] += dep; qu.push(e); } while(!qu.empty() and qu.top().F <= cur) { DEBUG(qu.top()); ans[qu.top().S] -= dep; qu.pop(); } }; RREP(i, n) { heap qu; rec(i, 1, qu); } REP(i, q) { cout << ans[i] << endl; } } return 0; }