using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Text; using System.Numerics; using System.Threading; using System.Runtime.CompilerServices; using System.Diagnostics; using static System.Math; using static System.Array; using static AtCoder.Cout; using static AtCoder.Tool; namespace AtCoder { class AC { const int MOD = 1000000007; //const int MOD = 998244353; const int INF = int.MaxValue / 2; const long SINF = long.MaxValue / 3; static readonly int[] dI = { 0, 1, 0, -1, 1, -1, -1, 1 }; static readonly int[] dJ = { 1, 0, -1, 0, 1, 1, -1, -1 }; static void Main(string[] args) { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(sw); /*var th = new Thread(Run, 1 << 26); th.Start(); th.Join();*/ Run(); Console.Out.Flush(); } static void Run() { int Testcase = 1; //Testcase = Cin.Int; for (var _ = 0; _ < Testcase; _++) Solve(); } static void Solve() { int N = Cin.Int; var A = Cin.ReadSplitInt; var B = Cin.ReadSplitInt; var Z = Cin.ReadSplitInt; var ida = new int[N]; var idb = new int[N]; for (var i = 0; i < N; i++) { A[i]--; B[i]--; Z[i]--; ida[A[i]] = idb[B[i]] = i; } var f = new int[N];//ペア i,Z_i が実現可能な最小の k var pt = new int[N];// k=f[i] において、ペアを配置できる代表点 var l = new int[N]; var r = new int[N]; for (var i = 0; i < N; i++) { l[i] = -1; r[i] = N; pt[i] = -1; } var mids = new Queue[N]; for (var i = 0; i < N; i++) mids[i] = new Queue(); for (var _ = 0; _ < 18; _++) { for (var i = 0; i < N; i++) mids[(l[i] + r[i]) / 2].Enqueue(i); var ufa = new ExtUnionFind(N); var ufb = new ExtUnionFind(N); for (var k = 0; k < N; k++) { int ia = ida[k]; int ib = idb[k]; if (ia - 1 >= 0 && A[ia - 1] <= k) ufa.Unite(ia, ia - 1); if (ia + 1 < N && A[ia + 1] <= k) ufa.Unite(ia, ia + 1); if (ib - 1 >= 0 && B[ib - 1] <= k) ufb.Unite(ib, ib - 1); if (ib + 1 < N && B[ib + 1] <= k) ufb.Unite(ib, ib + 1); while(mids[k].Any()) { var q = mids[k].Dequeue(); int la = ufa.Lef(ida[q]), ra = ufa.Rig(ida[q]); int lb = ufb.Lef(idb[Z[q]]), rb = ufb.Rig(idb[Z[q]]); if (ra < lb || rb < la) { l[q] = k; } else { r[q] = k; pt[q] = Max(la, lb); } } } } for (var i = 0; i < N; i++) f[i] = r[i]; //OutL($"result:"); //Out_Sep(f); //Out_Sep(pt); //OutL($"========="); var uf = new ExtUnionFind2(N); var pos = new List[N]; for (var i = 0; i < N; i++) pos[i] = new List(); for (var i = 0; i < N; i++) pos[f[i]].Add(i); var act = new int[N]; for (var k = 0; k < N; k++) { act[ida[k]]++; if (act[ida[k]] == 2) { int id = ida[k]; if (id > 0 && act[id - 1] == 2) uf.Unite(id, id - 1); if (id + 1 < N && act[id + 1] == 2) uf.Unite(id, id + 1); } act[idb[k]]++; if (act[idb[k]] == 2) { int id = idb[k]; if (id > 0 && act[id - 1] == 2) uf.Unite(id, id - 1); if (id + 1 < N && act[id + 1] == 2) uf.Unite(id, id + 1); } foreach (var ok in pos[k]) { uf.Add_P(pt[ok]); } OutL(uf.Ans()); } } } //区間右端と左端を管理 public class ExtUnionFind { private int[] parent; private int[] rank; private int[] L; private int[] R; public ExtUnionFind(int n) { parent = new int[n]; rank = new int[n]; L = new int[n]; R = new int[n]; for (var i = 0; i < n; i++) { parent[i] = i; L[i] = i; R[i] = i; } } public int Root(int x) { return parent[x] == x ? x : parent[x] = Root(parent[x]); } public bool SameRoot(int x, int y) { return Root(x) == Root(y); } public void Unite(int x, int y) { x = Root(x); y = Root(y); if (x == y) { return; } if (rank[x] < rank[y]) { parent[x] = y; L[y] = Min(L[x], L[y]); R[y] = Max(R[x], R[y]); } else { parent[y] = x; if (rank[x] == rank[y]) { rank[x]++; } L[x] = Min(L[x], L[y]); R[x] = Max(R[x], R[y]); } } public int Lef(int x) => L[Root(x)]; public int Rig(int x) => R[Root(x)]; } //サイズと属するペア数を管理 public class ExtUnionFind2 { private int[] parent; private int[] rank; private int[] size; private int[] P; private long ans; public ExtUnionFind2(int n) { parent = new int[n]; rank = new int[n]; size = new int[n]; P = new int[n]; ans = 0; for (var i = 0; i < n; i++) { parent[i] = i; size[i] = 1; } } public int Root(int x) { return parent[x] == x ? x : parent[x] = Root(parent[x]); } public bool SameRoot(int x, int y) { return Root(x) == Root(y); } public void Unite(int x, int y) { x = Root(x); y = Root(y); if (x == y) { return; } ans -= Score(x) + Score(y); if (rank[x] < rank[y]) { parent[x] = y; size[y] += size[x]; P[y] += P[x]; } else { parent[y] = x; if (rank[x] == rank[y]) { rank[x]++; } size[x] += size[y]; P[x] += P[y]; } ans += Score(x); } public int SizeOf(int x) { return size[Root(x)]; } public void Add_P(int x) { ans -= Score(x); P[Root(x)]++; ans += Score(x); } public int Score(int x) => Min(size[Root(x)], P[Root(x)]); public long Ans() => ans; } public struct Edge { public int from, to; public long w; public double dw; public Edge(int to, long weight) { this.to = to; w = weight; from = -1; dw = -1; } public Edge(int from, int to, long weight) { this.from = from; this.to = to; w = weight; dw = -1; } public Edge(int to, double weight) { this.to = to; from = -1; w = -1; dw = weight; } } static class Cin { public static string[] ReadSplit => Console.ReadLine().Split(); public static int[] ReadSplitInt => ConvertAll(ReadSplit, int.Parse); public static long[] ReadSplitLong => ConvertAll(ReadSplit, long.Parse); public static double[] ReadSplit_Double => ConvertAll(ReadSplit, double.Parse); public static string Str => Console.ReadLine(); public static int Int => int.Parse(Console.ReadLine()); public static long Long => long.Parse(Console.ReadLine()); public static double Double => double.Parse(Console.ReadLine()); public static T Conv(string input) { /*if (typeof(T).Equals(typeof(ModInt))) { return (T)(dynamic)(long.Parse(input)); }*/ return (T)Convert.ChangeType(input, typeof(T)); } public static void Scanf(out T a) => a = Conv(Console.ReadLine()); public static void Scanf(out T a, out U b) { var q = ReadSplit; a = Conv(q[0]); b = Conv(q[1]); } public static void Scanf(out T a, out U b, out V c) { var q = ReadSplit; a = Conv(q[0]); b = Conv(q[1]); c = Conv(q[2]); } public static void Scanf(out T a, out U b, out V c, out W d) { var q = ReadSplit; a = Conv(q[0]); b = Conv(q[1]); c = Conv(q[2]); d = Conv(q[3]); } public static void Scanf(out T a, out U b, out V c, out W d, out X e) { var q = ReadSplit; a = Conv(q[0]); b = Conv(q[1]); c = Conv(q[2]); d = Conv(q[3]); e = Conv(q[4]); } } static class Cout { public static void OutL(object s) => Console.WriteLine(s); public static void Out_Sep(IEnumerable s) => Console.WriteLine(string.Join(" ", s)); public static void Out_Sep(IEnumerable s, string sep) => Console.WriteLine(string.Join($"{sep}", s)); public static void Out_Sep(params object[] s) => Console.WriteLine(string.Join(" ", s)); public static void Out_One(object s) => Console.Write($"{s} "); public static void Out_One(object s, string sep) => Console.Write($"{s}{sep}"); public static void Endl() => Console.WriteLine(); } public static class Tool { static public void Initialize(ref T[] array, T initialvalue) { array = ConvertAll(array, x => initialvalue); } static public void Swap(ref T a, ref T b) { T keep = a; a = b; b = keep; } static public void Display(T[,] array2d, int n, int m) { for (var i = 0; i < n; i++) { for (var j = 0; j < m; j++) { Console.Write($"{array2d[i, j]} "); } Console.WriteLine(); } } static public long Gcd(long a, long b) { if (a == 0 || b == 0) return Max(a, b); return a % b == 0 ? b : Gcd(b, a % b); } static public long LPow(int a, int b) => (long)Pow(a, b); static public bool Bit(long x, int dig) => ((1L << dig) & x) != 0; static public int Sig(long a) => a == 0 ? 0 : (int)(a / Abs(a)); } }