using System; using System.IO; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Collections.Generic; using System.Diagnostics; using System.Numerics; using Enu = System.Linq.Enumerable; public class Program { public void Solve() { int N = Reader.Int(); var A = Reader.IntArray(N); int Q = Reader.Int(); var table = Reader.IntTable(Q); var dic = Compress(A); var sorted = dic.Keys.OrderBy(a => a).ToArray(); int M = dic.Count; var L = new BinaryIndexedTree(M); var R = new BinaryIndexedTree(M); var same = new BinaryIndexedTree(M); var Lcount = new long[M]; var Rcount = new long[M]; foreach (var a in A) { R.Add(dic[a], 1); Rcount[dic[a]]++; } var ans = new long[M + 1]; foreach (int a in A.Select(a => dic[a])) { R.Add(a, -1); Rcount[a]--; same.Add(a, -Lcount[a]); ans[a + 1] += L.Sum(a - 1) * R.Sum(a - 1) + L.Sum(a + 1, M) * R.Sum(a + 1, M); ans[a + 1] -= same.Sum(a - 1) + same.Sum(a + 1, M); L.Add(a, 1); Lcount[a]++; same.Add(a, Rcount[a]); } for (int i = 1; i < ans.Length; i++) ans[i] += ans[i - 1]; Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }); foreach (var q in table) { int a = LowerBound(sorted, q[0]); int b = UpperBound(sorted, q[1]); Console.WriteLine(ans[b] - ans[a]); } Console.Out.Flush(); } static int LowerBound(int[] A, int val, int L = 0, int R = -1) { if (R == -1) R = A.Length; while (R - L >= 1) { int mid = (L + R) / 2; if (A[mid] >= val) R = mid; else L = mid + 1; } return R; } static int UpperBound(int[] A, int val, int L = 0, int R = -1) { if (R == -1) R = A.Length; while (R - L >= 1) { int mid = (L + R) / 2; if (A[mid] > val) R = mid; else L = mid + 1; } return R; } Dictionary Compress(IEnumerable A) { var sortedSet = new SortedSet(); foreach (var a in A) sortedSet.Add(a); var sorted = sortedSet.ToArray(); var res = new Dictionary(); foreach (var a in A) if (!res.ContainsKey(a)) res[a] = Array.BinarySearch(sorted, a); return res; } class BinaryIndexedTree { private readonly int N; private readonly long[] A; public BinaryIndexedTree(int N) { this.N = N + 1; A = new long[N + 2]; } public void Add(int i, long val) { if (i < 0) return; for (++i; i <= N; i += i & -i) A[i] += val; } public void Update(int i, long val) { Add(i, val - (Sum(i) - Sum(i - 1))); } public long Sum(int i) // [0, i] { if (i < 0) return 0; long sum = 0; for (++i; i > 0; i &= i - 1) sum += A[i]; return sum; } public long Sum(int L, int R) // [L, R) { return Sum(R - 1) - Sum(L - 1); } } } class Entry { static void Main() { new Program().Solve(); } } class Reader { static TextReader reader = Console.In; static readonly char[] separator = { ' ' }; static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries; static string[] A = new string[0]; static int i; static void Init() { A = new string[0]; } public static void Set(TextReader r) { reader = r; Init(); } public static void Set(string file) { reader = new StreamReader(file); Init(); } public static bool HasNext() { return CheckNext(); } public static string String() { return Next(); } public static int Int() { return int.Parse(Next()); } public static long Long() { return long.Parse(Next()); } public static double Double() { return double.Parse(Next()); } public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); } public static int[] IntArray(int N) { return Range(N, Int); } public static int[][] IntTable(int H) { return Range(H, IntLine); } public static string[] StringArray(int N) { return Range(N, Next); } public static string[][] StringTable(int N) { return Range(N, () => Split(Line())); } public static string Line() { return reader.ReadLine().Trim(); } static string[] Split(string s) { return s.Split(separator, op); } static T[] Range(int N, Func f) { var r = new T[N]; for (int i = 0; i < N; r[i++] = f()) ; return r; } static string Next() { CheckNext(); return A[i++]; } static bool CheckNext() { if (i < A.Length) return true; string line = reader.ReadLine(); if (line == null) return false; if (line == "") return CheckNext(); A = Split(line); i = 0; return true; } }