結果
問題 | No.404 部分門松列 |
ユーザー | りあん |
提出日時 | 2016-07-21 13:25:53 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 1,794 ms / 2,000 ms |
コード長 | 4,655 bytes |
コンパイル時間 | 2,568 ms |
コンパイル使用メモリ | 109,568 KB |
実行使用メモリ | 60,084 KB |
最終ジャッジ日時 | 2024-06-28 16:55:45 |
合計ジャッジ時間 | 24,982 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 35 ms
20,608 KB |
testcase_01 | AC | 36 ms
20,736 KB |
testcase_02 | AC | 36 ms
20,736 KB |
testcase_03 | AC | 35 ms
20,608 KB |
testcase_04 | AC | 42 ms
21,376 KB |
testcase_05 | AC | 42 ms
21,504 KB |
testcase_06 | AC | 42 ms
21,248 KB |
testcase_07 | AC | 42 ms
21,248 KB |
testcase_08 | AC | 43 ms
21,120 KB |
testcase_09 | AC | 43 ms
21,376 KB |
testcase_10 | AC | 47 ms
21,120 KB |
testcase_11 | AC | 45 ms
21,504 KB |
testcase_12 | AC | 46 ms
21,248 KB |
testcase_13 | AC | 754 ms
41,984 KB |
testcase_14 | AC | 387 ms
36,352 KB |
testcase_15 | AC | 548 ms
33,792 KB |
testcase_16 | AC | 945 ms
42,352 KB |
testcase_17 | AC | 1,188 ms
46,720 KB |
testcase_18 | AC | 486 ms
30,592 KB |
testcase_19 | AC | 440 ms
38,784 KB |
testcase_20 | AC | 443 ms
44,928 KB |
testcase_21 | AC | 1,113 ms
42,368 KB |
testcase_22 | AC | 588 ms
30,592 KB |
testcase_23 | AC | 546 ms
45,056 KB |
testcase_24 | AC | 1,029 ms
45,056 KB |
testcase_25 | AC | 1,794 ms
60,084 KB |
testcase_26 | AC | 1,639 ms
52,940 KB |
testcase_27 | AC | 258 ms
26,752 KB |
testcase_28 | AC | 879 ms
39,424 KB |
testcase_29 | AC | 1,293 ms
43,008 KB |
testcase_30 | AC | 690 ms
34,688 KB |
testcase_31 | AC | 165 ms
25,140 KB |
testcase_32 | AC | 1,143 ms
43,524 KB |
testcase_33 | AC | 1,096 ms
46,464 KB |
testcase_34 | AC | 816 ms
37,504 KB |
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc) Copyright (C) Microsoft Corporation. All rights reserved.
ソースコード
using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Text; class Program { static void Main() { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; var sc = new Scan(); var se = new Search(); int n = sc.Int; var a = sc.IntArr; var b = new int[n]; var ar = a.ToList().Distinct().ToArray(); Array.Sort(ar); int lim = ar.Length; var zip = new SortedDictionary<int, int>(); for (int i = 0; i < lim; i++) zip.Add(ar[i], i); var sgbef = new Segtree<long>(lim, (i, j) => i + j, 0); var sgaft = new Segtree<long>(lim, (i, j) => i + j, 0); var sgmul = new Segtree<long>(lim, (i, j) => i + j, 0); for (int i = 0; i < n; i++) { b[i] = zip[a[i]]; sgaft.update(b[i], sgaft.look(b[i]) + 1); } var anss = new long[lim]; for (int i = 0; i < n; i++) { sgaft.update(b[i], sgaft.look(b[i]) - 1); sgmul.update(b[i], sgbef.look(b[i]) * sgaft.look(b[i])); anss[b[i]] += sgbef.run(0, b[i]) * sgaft.run(0, b[i]) - sgmul.run(0, b[i]) + sgbef.run(b[i] + 1, lim) * sgaft.run(b[i] + 1, lim) - sgmul.run(b[i] + 1, lim); sgbef.update(b[i], sgbef.look(b[i]) + 1); sgmul.update(b[i], sgbef.look(b[i]) * sgaft.look(b[i])); } var imos = new long[lim + 1]; for (int i = 0; i < lim; i++) { imos[i + 1] = imos[i] + anss[i]; } int q = sc.Int; for (int i = 0; i < q; i++) { var c = sc.IntArr; sw.WriteLine(imos[se.UpperBound(ar, c[1])] - imos[se.LowerBound(ar, c[0])]); } sw.Flush(); } } class Scan { public int Int { get { return int.Parse(Str); } } public long Long { get { return long.Parse(Str); } } public string Str { get { return Console.ReadLine().Trim(); } } public int[] IntArr { get { return Str.Split().Select(int.Parse).ToArray(); } } } class Segtree<T> { int n; T[] tree; Func<T, T, T> f; T exnum; public Segtree(int m, Func<T, T, T> f, T ex) { this.f = f; this.exnum = ex; n = 1; while (n < m) n <<= 1; tree = new T[(n << 1) - 1]; for (int i = 0; i < tree.Length; i++) tree[i] = ex; } public Segtree(int m, T ini, Func<T, T, T> f, T ex) { this.f = f; this.exnum = ex; n = 1; while (n < m) n <<= 1; tree = new T[(n << 1) - 1]; for (int i = 0; i < tree.Length; i++) tree[i] = ini; for (int i = 0; i < m; ++i) update(i, ini); } public void update(int j, T x) { int i = j + n - 1; tree[i] = x; while (i > 0) { i = (i - 1) >> 1; tree[i] = f(tree[(i << 1) + 1], tree[(i << 1) + 2]); } } public T look(int i) { return tree[i + n - 1]; } // [s, t) public T run(int s, int t) { return query(s, t, 0, 0, n); } T query(int s, int t, int k, int l, int r) { if (r <= s || t <= l) return exnum; if (s <= l && r <= t) return tree[k]; return f(query(s, t, (k << 1) + 1, l, (l + r) >> 1), query(s, t, (k + 1) << 1, (l + r) >> 1, r)); } } class Search { // nより大きいの項のindexのうち最小のものを返す // n以下の項のindexのうち最大のもの+1を返す // そこに挿入 public int UpperBound<T>(IList<T> a, T n) where T : IComparable { if (a.Count == 0) return 0; int l = 0, r = a.Count - 1; while (l < r) { int m = (l + r) / 2; if (a[m].CompareTo(n) <= 0) { if (a[m + 1].CompareTo(n) > 0) return m + 1; l = m + 1; } else r = m - 1; } if (a[l].CompareTo(n) <= 0) return l + 1; return l; } // n未満の項のindexのうち最大のもの+1を返す // n以上の項のindexのうち最小のものを返す // そこに挿入 public int LowerBound<T>(IList<T> a, T n) where T : IComparable { if (a.Count == 0) return 0; int l = 0, r = a.Count - 1; while (l < r) { int m = (l + r) / 2; if (a[m].CompareTo(n) < 0) { if (a[m + 1].CompareTo(n) >= 0) return m + 1; l = m + 1; } else r = m - 1; } if (a[l].CompareTo(n) < 0) return l + 1; return l; } }