#include using namespace std; template class y_combinator { F f; public: y_combinator(F&& f) : f(std::forward(f)) {} template auto operator()(Args&&... args) const { return f(*this, std::forward(args)...); } }; constexpr int dx[8] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr int dy[8] = {0, 1, 0, -1, 1, -1, 1, -1}; using ll = long long; using u32 = unsigned int; using u64 = unsigned long long; using vi = vector; using vl = vector; using pii = pair; using pll = pair; template using vc = vector; template using vvc = vector>; template > using prique = priority_queue, U>; #define overload(a, b, c, d, e, ...) e #define len(x) (ll)(x.size()) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define rep1(n) for (ll _ = 0; _ < ll(n); _++) #define rep2(i, n) for (ll i = 0; i < ll(n); i++) #define rep3(i, a, b) for (ll i = ll(a); i < ll(b); i++) #define rep4(i, a, b, c) for (ll i = ll(a); i < ll(b); i += ll(c)) #define rep(...) overload(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rrep(i, n) for (ll i = ll(n) - 1; i >= 0; i--) template vector cumsum(const vector& a) { vector res(a.size() + 1); rep(i, a.size()) res[i + 1] = res[i] + a[i]; return res; } template void dedup(vector& a) { sort(all(a)), a.erase(unique(all(a)), a.end()); } template bool chmax(T& a, const S& b) { return a < static_cast(b) ? a = static_cast(b), 1 : 0; } template bool chmin(T& a, const S& b) { return a > static_cast(b) ? a = static_cast(b), 1 : 0; } namespace cppio { template struct is_tuple_like : false_type {}; template struct is_tuple_like> : true_type {}; template struct is_tuple_like> : true_type {}; template struct is_container : false_type {}; template struct is_container()))>> : bool_constant, string> && !is_same_v, char*> && !is_same_v, const char*> && !is_array_v>> {}; template void _in(T& x) { if constexpr (is_tuple_like::value) apply([](auto&... elems) { (_in(elems), ...); }, x); else if constexpr (is_container::value) { for (auto& e : x) _in(e); } else cin >> x; } template void _in_all(Ts&... args) { (_in(args), ...); } template void _out(const T& x) { bool first = true; if constexpr (is_tuple_like::value) { apply([&](const auto&... elems) { ((cout << (first ? "" : " "), _out(elems), first = false), ...); }, x); } else if constexpr (is_container::value) { for (const auto& e : x) { if (!first) cout << ' '; _out(e), first = false; } } else cout << x; } template void _print(const Ts&... args) { bool first = true; ((cout << (first ? "" : " "), _out(args), first = false), ...); } template void _out_no_el(const Ts&... args) { _print(args...); } template void _out_all(const Ts&... args) { _out_no_el(args...), cout << '\n'; } } // namespace cppio #define IN(...) cppio::_in_all(__VA_ARGS__) #define OUT(...) cppio::_out_all(__VA_ARGS__) #define INT(...) int __VA_ARGS__; IN(__VA_ARGS__) #define LL(...) ll __VA_ARGS__; IN(__VA_ARGS__) #define STR(...) string __VA_ARGS__; IN(__VA_ARGS__) #define CHR(...) char __VA_ARGS__; IN(__VA_ARGS__) #define DBL(...) double __VA_ARGS__; IN(__VA_ARGS__) #define VEC(type, name, size) vector name(size); IN(name) #define VV(type, name, h, w) vector> name(h, vector(w)); IN(name) #define RETURN(...) do { __VA_ARGS__; return; } while (0) bool Yes(bool b = true) { return OUT(b ? "Yes" : "No"), b; } bool No(bool b = true) { return Yes(!b), b; } bool YES(bool b = true) { return OUT(b ? "YES" : "NO"), b; } bool NO(bool b = true) { return YES(!b), b; } #ifdef ONLINE_JUDGE #define debug(...) (void(0)) #endif void run_case() { INT(N, M); VEC(int, S, M); VEC(int, G, M); vector P(M); rep(i, M) P[i] = {G[i], S[i]}; sort(all(P)); ll l = 0; for (int i = 0; i < M;) { int s = N; int j = i; while (j < M && P[i].first == P[j].first) chmin(s, P[j].second), j++; if (s < l) { No(); return; } chmax(l, s); i = j; } Yes(); } int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); std::fixed(std::cout).precision(16); int t = 1; cin >> t; while (t--) run_case(); }