#include using namespace std; using SS = int; using FF = int; class LazySegmentTree{ public: int siz = 1; vector dat; vector lazy; FF ID = -2; SS op(SS a,SS b){return max(a,b);} SS mapping(FF f, SS x){return max(f,x);} FF composition(FF f, FF g){ if(f == ID) return g; if(g == ID) return f; return f; } SS e(){return -2;} FF id(){return ID;} //op区間演算 mapping lazy→data composition lazy→lazy //e 単位元 id map(id,a)=a void make(int N){ while(siz < N) siz *= 2; dat.resize(siz*2,e()); lazy.resize(siz*2,ID); } void make2(int N,vector &A){ make(N); for(int i=0; i=0; i--) dat.at(i) = op(dat.at(i*2+1),dat.at(i*2+2)); } void eval(int u,int a,int b){ if(lazy.at(u) != id()){ dat.at(u) = mapping(lazy.at(u),dat.at(u)); if(b-a > 1){ lazy.at(u*2+1) = composition(lazy.at(u),lazy.at(u*2+1)); lazy.at(u*2+2) = composition(lazy.at(u),lazy.at(u*2+2)); } lazy.at(u) = id(); } } void findadd(int L,int R,int a,int b,int u,FF x){ eval(u,a,b); if(R <= a || b <= L) return; if(L <= a && b <= R){ lazy.at(u) = composition(x,lazy.at(u)); eval(u,a,b); } else{ findadd(L,R,a,(a+b)/2,u*2+1,x); findadd(L,R,(a+b)/2,b,u*2+2,x); dat.at(u) = op(dat.at(u*2+1),dat.at(u*2+2)); } } void update(int L,int R,FF x){findadd(L,R,0,siz,0,x);} SS findans(int L,int R,int a,int b,int u){ if(R <= a || b <= L) return e(); eval(u,a,b); if(L <= a && b <= R) return dat.at(u); return op(findans(L,R,a,(a+b)/2,u*2+1),findans(L,R,(a+b)/2,b,u*2+2)); } SS get(int pos){return findans(pos,pos+1,0,siz,0);} SS rangeans(int l,int r){return findans(l,r,0,siz,0);} SS allrange(){return findans(0,siz,0,siz,0);} }; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int N,A; cin >> N >> A; vector all; vector X(N); for(auto &x : X) cin >> x; all = X; int T; cin >> T; vector> LR(T); for(auto &[l,r] : LR) cin >> l >> r,all.push_back(l),all.push_back(r); sort(all.begin(),all.end()); all.erase(unique(all.begin(),all.end()),all.end()); map name; int n = 0; for(auto a : all) name[a] = n,n++; LazySegmentTree Z; Z.make(n); for(int i=0; i