#include #include #include #include #include #include #include #include #include #include #define mkp make_pair #define mkt make_tuple #define rep(i,n) for(int i = 0; i < (n); ++i) using namespace std; typedef long long ll; const ll MOD=1e9+7; #include #include //SegmentTree seg(N,[](int a,int b){return min(a,b);},INT_MAX); template< typename T> class SegmentTree{ public: using F = function; int n; vector tree; const F operation; const T def; SegmentTree(int size,F _operation,T _def):operation(_operation),def(_def){ n=1; while(n v){ int vSize=v.size(); n=1; while(n=0;i--) tree[i]=operation(tree[2*i+1],tree[2*i+2]); } void update(int index,T value){ index+=n-1; tree[index]=value; while(index>0){ index=(index-1)/2; tree[index]=operation(tree[2*index+1],tree[2*index+2]); } } T query(int a,int b,int k=0,int l=0,int r=-1){//[a,b),getMin(a,b,0,0,-1) if(r<0) r=n; if(r<=a||b<=l) return def; else if(a<=l&&r<=b) return tree[k]; else{ T lval=query(a,b,2*k+1,l,(l+r)/2); T rval=query(a,b,2*k+2,(l+r)/2,r); return operation(lval,rval); } } T getVal(int index){ return tree[index+n-1]; } }; class BIT{//1-indexed public: vector bit; BIT(){} BIT(int size){ bit.resize(size,0); } ll sum(int i){ ll s=0; while(i>0){ s+=bit[i]; i-=i&(-i); } return s; } void add(int i,ll x){//i!=0 while(i A; int dp[100010]; int main(){ cin>>N>>Q; A.resize(N); for(int i=0;i>A[i]; A[i]--; } vector> v; for(int i=0;i> seg(N,[](pair a,pair b){return max(a,b);},mkp(0,0)); seg.initialize(v); SegmentTree ind(N+1,[](int a,int b){return min(a,b);},N+1); for(int i=N-1;i>=0;i--){ dp[i]=1; auto a=ind.query(A[i],N+1); if(a!=N+1) dp[i]+=dp[a]; ind.update(A[i],i); } for(int i=0;i>t>>l>>r; l--; r--; auto f=seg.query(l,r+1); int tar=f.second; ll res=dp[l]-dp[tar]+1; cout<