#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include // #include // #include // #include // using namespace __gnu_pbds; // #include // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; using datas=pair; using ddatas=pair; using tdata=pair; using vec=vector; using mat=vector; using pvec=vector; using pmat=vector; // using llset=tree,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define uniq(v) vsort(v);(v).erase(unique(all(v)),(v).end()) #define endl "\n" #define popcount __builtin_popcountll #define eb emplace_back #define print(x) cout< ostream& operator<<(ostream& os,const pair& p){return os<<"("< ostream& operator<<(ostream& os,const vector& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os< ostream& operator<<(ostream& os,const set& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os< ostream& operator<<(ostream& os,const multiset& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os< ostream& operator<<(ostream& os,const map& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os< inline bool chmax(T& a,const T b){bool x=a inline bool chmin(T& a,const T b){bool x=a>b;if(x)a=b;return x;} #ifdef DEBUG void debugg(){cout<void debugg(const T& x,const Args&... args){cout<<" "<interval set,1->point set template struct rangeset:set>{ private: using P=pair; using seitr=_Rb_tree_const_iterator

; const T TINF=numeric_limits::max()/2; public: // There are all [L,R] (not [L,R) ) rangeset(){ this->emplace(-TINF,-TINF); this->emplace(TINF,TINF); } // [L,R] covered? bool covered(T L,T R){ assert(L<=R); seitr itr(--this->lower_bound(P(L+1,L))); return R<=itr->second; } bool covered(T x){ return covered(x,x); } // what is covered [L,R] (not cover->return [-TINF,-TINF]) P covered_by(T L,T R){ assert(L<=R); seitr itr(--this->lower_bound(P(L+1,L))); if(R<=itr->second)return *itr; else return *(this->begin()); } P covered_by(T x){ return covered_by(x,x); } //insert [L,R] and merge, return (how many add point or interval) pair insert(T L,T R){ assert(L<=R); seitr itr(--this->lower_bound(P(L+1,L))); if(R<=itr->second)return pair(itr,0); T deletecnt(0); if(itr->secondfirst; deletecnt=itr->second-itr->first+Merge; itr=this->erase(itr); } while(itr->second<=R){ deletecnt+=itr->second-itr->first+Merge; itr=this->erase(itr); } if(itr->first<=R+Merge){ R=itr->second; deletecnt+=itr->second-itr->first+Merge; itr=this->erase(itr); } itr=this->emplace_hint(itr,L,R); return pair(itr,R-L+Merge-deletecnt); } pair insert(T x){ // assert(Merge==1); return insert(x,x); } //delete intersect [L,R], return (how many erase point or interval) T remove(T L,T R){ assert(L<=R); seitr itr(--this->lower_bound(P(L+1,L))); if(R<=itr->second){ if(itr->first<=L-Merge)this->emplace_hint(itr,itr->first,L-Merge); if(itr->second>=R+Merge)this->emplace_hint(next(itr),R+Merge,itr->second); this->erase(itr); return R-L+Merge; } T deletecnt(0); if(itr->second<=L-Merge){ ++itr; }else{ deletecnt=itr->second-L+Merge; if(itr->first<=L-Merge)this->emplace_hint(itr,itr->first,L-Merge); itr=this->erase(itr); } while(itr->second<=R){ deletecnt+=itr->second-itr->first+Merge; itr=this->erase(itr); } if(itr->firstfirst+Merge; if(R+Merge<=itr->second)this->emplace_hint(next(itr),R+Merge,itr->second); this->erase(itr); } return deletecnt; } T remove(T x){ // assert(Merge==1); return remove(x,x); } T mex(T x){ // assert(Merge==1); seitr itr(--this->lower_bound(P(x+1,x))); if(x<=itr->second)return itr->second+1; else return x; } vector> allpair(){ seitr itr(++this->begin()); vector> res; res.reserve(this->size()-1); while(itr!=this->end())res.emplace_back(*itr++); res.pop_back(); return res; } }; ll N,Q; int main(){ ll i; cin>>N>>Q; pvec jama(Q); rep(i,Q)cin>>jama[i].first; rep(i,Q)cin>>jama[i].second; ll t; rangeset se; se.insert(0,N-1); pmat g(Q+1); rep(t,Q){ auto [a,b]=jama[t]; g[t]=se.allpair(); debug(g[t]); for(auto [A,B]:g[t]){ if(A)se.insert(A-1); if(Bb)swap(a,b); se.remove(a); se.remove(b); if(se.size()==2){ printNO; return 0; } } printYES; g[t]=se.allpair(); debug(g); vec ans(Q+1); reverse(all(g)); debug(g); ans[0]=g[0][0].first+1; rep(i,Q){ for(auto d:{-1,0,1}){ auto now=ans[i]+d-1; for(auto [x,y]:g[i+1]){ if(x<=now&&now<=y){ans[i+1]=now+1;break;} } } assert(ans[i+1]); } brep(i,Q+1)print(ans[i]); }