#include #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define all(c) c.begin(),c.end() #define pb push_back #define fs first #define sc second #define chmin(x,y) x=min(x,y) #define chmax(x,y) x=max(x,y) using namespace std; template ostream& operator<<(ostream& o,const pair &p){ return o<<"("< ostream& operator<<(ostream& o,const vector &vc){ o<<"{"; for(const T& v:vc) o< using V = vector; template using VV = vector>; constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n-1); } #ifdef LOCAL #define show(x) cerr << "LINE" << __LINE__ << " : " << #x << " = " << (x) << endl #else #define show(x) true #endif struct segtree{ using D = long long; int N; vector val; segtree(){} segtree(int n){ N=1; while(N& ds){ int n = ds.size(); N=1; while(N0;i--) val[i] = val[i*2] + val[i*2+1]; } void assign(int k,D d){ k+=N; val[k]=d; k/=2; while(k){ val[k] = val[k*2] + val[k*2+1]; k/=2; } } D sum(int a,int b){ //non-commutative & unrecursive D res = 0; a+=N,b+=N; while(a> N >> Q; V a(N); rep(i,N) cin >> a[i], a[i]--; using P = pair; VV

l2qr(N); rep(i,Q){ int t,l,r; cin >> t >> l >> r; l--; l2qr[l].pb(P(i,r)); } segtree seg(N); stack st; V ans(Q); for(int l=N-1;l>=0;l--){ while(!st.empty() && a[st.top()] < a[l]){ seg.assign(st.top(),0); st.pop(); } st.push(l); seg.assign(l,1); for(P qr: l2qr[l]){ int q = qr.fs, r = qr.sc; ans[q] = seg.sum(l,r); } } rep(i,Q) cout << ans[i] << endl; }