#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int T; int N; int A[202020]; int B[202020]; int L[202020],R[202020]; void solve() { int i,j,k,l,r,x,y; string s; cin>>T; while(T--) { cin>>N; set W; vector> P; FOR(i,N) { cin>>A[i]; P.push_back({-A[i],i}); } sort(ALL(P)); W.insert(-1); W.insert(N); FOR(i,N) { x=P[i].second; auto it=W.lower_bound(x); R[x]=*it-1; L[x]=*prev(it)+1; W.insert(x); } FOR(i,N) cin>>B[i]; int cur=0; FOR(i,N) { while(curR[cur]))) cur++; if(cur==N) break; } if(i==N) cout<<"Yes"<