import std.conv, std.functional, std.range, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken.to!int; } long readLong() { return readToken.to!long; } real readReal() { return readToken.to!real; } bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } } bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } } int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; } int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); } int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); } void main() { try { for (; ; ) { const numCases = readInt(); foreach (caseId; 0 .. numCases) { const N = readInt(); auto A = new int[N]; foreach (i; 0 .. N) A[i] = readInt(); auto B = new int[N]; foreach (i; 0 .. N) B[i] = readInt(); auto iss = new int[][N + 1]; auto jss = new int[][N + 1]; foreach (i; 0 .. N) { iss[A[i]] ~= i; jss[B[i]] ~= i; } auto set = new RedBlackTree!int; set.insert(-1); set.insert(N); auto ls = new int[N]; auto rs = new int[N]; foreach (a; 1 .. N + 1) { foreach (i; iss[a]) { ls[i] = set.lowerBound(i).back + 1; rs[i] = set.upperBound(i).front - 1; } foreach (i; jss[a]) { set.insert(i); } } set.clear; set.insert(-1); set.insert(N); foreach_reverse (a; 1 .. N + 1) { foreach (i; iss[a]) { chmax(ls[i], set.lowerBound(i).back + 1); chmin(rs[i], set.upperBound(i).front - 1); } foreach (i; iss[a]) { set.insert(i); } } debug { writeln("ls = ", ls); writeln("rs = ", rs); } bool ans = true; foreach (i; 0 .. N) { ans = ans && (A[i] <= B[i]); } { int j; foreach (i; 0 .. N) { for (; j < N && (A[i] == B[j] && ls[i] <= j && j <= rs[i]); ++j) {} } ans = ans && (j == N); } writeln(ans ? "Yes" : "No"); } } } catch (EOFException e) { } }