#include using namespace std; using Int = long long; template inline void chmin(T1 &a,T2 b){if(a>b) a=b;} template inline void chmax(T1 &a,T2 b){if(a struct SegmentTree{ using F = function; int n; F f; T ti; vector dat; SegmentTree(){}; SegmentTree(F f,T ti):f(f),ti(ti){} void init(int n_){ n=1; while(n &v){ int n_=v.size(); init(n_); for(int i=0;i>=1) dat[k]=f(dat[(k<<1)|0],dat[(k<<1)|1]); } T query(int a,int b){ T vl=ti,vr=ti; for(int l=a+n,r=b+n;l>=1,r>>=1) { if(l&1) vl=f(vl,dat[l++]); if(r&1) vr=f(dat[--r],vr); } return f(vl,vr); } }; //INSERT ABOVE HERE signed main(){ int n,q; cin>>n>>q; vector as(n); for(int i=0;i>as[i],as[i]--; auto f=[](int a,int b){return min(a,b);}; SegmentTree seg(f,n); seg.build(vector(n,n)); vector bs(n); for(int i=n-1;i>=0;i--){ bs[i]=seg.query(as[i],n); if(bs[i]<0) bs[i]=n; seg.set_val(as[i],i); } const int LOG=20; vector< vector > dp(LOG,vector(n+1,n)); for(int i=0;i>t; assert(t==1); { int l,r; cin>>l>>r; l--; int num=1,pos=l; for(int k=LOG-1;k>=0;k--) if(dp[k][pos]