結果
問題 | No.1332 Range Nearest Query |
ユーザー | さかぽん |
提出日時 | 2021-01-15 10:08:33 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 1,182 ms / 2,500 ms |
コード長 | 3,263 bytes |
コンパイル時間 | 2,866 ms |
コンパイル使用メモリ | 110,336 KB |
実行使用メモリ | 67,140 KB |
最終ジャッジ日時 | 2024-11-25 07:37:21 |
合計ジャッジ時間 | 43,624 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 39 ms
19,712 KB |
testcase_01 | AC | 41 ms
19,840 KB |
testcase_02 | AC | 40 ms
19,584 KB |
testcase_03 | AC | 1,002 ms
64,528 KB |
testcase_04 | AC | 971 ms
64,788 KB |
testcase_05 | AC | 999 ms
64,920 KB |
testcase_06 | AC | 918 ms
66,880 KB |
testcase_07 | AC | 958 ms
67,120 KB |
testcase_08 | AC | 968 ms
67,140 KB |
testcase_09 | AC | 919 ms
66,864 KB |
testcase_10 | AC | 974 ms
66,992 KB |
testcase_11 | AC | 913 ms
67,132 KB |
testcase_12 | AC | 905 ms
66,992 KB |
testcase_13 | AC | 954 ms
67,000 KB |
testcase_14 | AC | 945 ms
67,004 KB |
testcase_15 | AC | 970 ms
66,996 KB |
testcase_16 | AC | 1,084 ms
67,004 KB |
testcase_17 | AC | 1,080 ms
66,936 KB |
testcase_18 | AC | 1,062 ms
66,996 KB |
testcase_19 | AC | 1,106 ms
67,060 KB |
testcase_20 | AC | 1,099 ms
66,928 KB |
testcase_21 | AC | 1,086 ms
67,072 KB |
testcase_22 | AC | 1,092 ms
66,792 KB |
testcase_23 | AC | 1,109 ms
67,060 KB |
testcase_24 | AC | 1,135 ms
67,000 KB |
testcase_25 | AC | 1,182 ms
66,920 KB |
testcase_26 | AC | 931 ms
67,000 KB |
testcase_27 | AC | 872 ms
67,120 KB |
testcase_28 | AC | 321 ms
34,176 KB |
testcase_29 | AC | 325 ms
33,920 KB |
testcase_30 | AC | 316 ms
34,048 KB |
testcase_31 | AC | 313 ms
34,048 KB |
testcase_32 | AC | 318 ms
34,176 KB |
testcase_33 | AC | 317 ms
34,176 KB |
testcase_34 | AC | 329 ms
34,048 KB |
testcase_35 | AC | 333 ms
34,304 KB |
testcase_36 | AC | 328 ms
34,176 KB |
testcase_37 | AC | 322 ms
34,048 KB |
testcase_38 | AC | 726 ms
52,584 KB |
testcase_39 | AC | 402 ms
38,784 KB |
testcase_40 | AC | 1,123 ms
66,212 KB |
testcase_41 | AC | 482 ms
43,132 KB |
testcase_42 | AC | 752 ms
51,876 KB |
testcase_43 | AC | 602 ms
45,628 KB |
testcase_44 | AC | 920 ms
60,116 KB |
testcase_45 | AC | 828 ms
56,156 KB |
testcase_46 | AC | 696 ms
47,408 KB |
testcase_47 | AC | 813 ms
54,280 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.Linq; class D { static int[] Read() => Array.ConvertAll(Console.ReadLine().Split(), int.Parse); static (int x, int l, int r, int i) Read3(int i) { var a = Read(); return (a[2], a[0], a[1], i); } static void Main() { var n = int.Parse(Console.ReadLine()); var xs = Read(); var qc = int.Parse(Console.ReadLine()); var qs = Enumerable.Range(0, qc).Select(Read3).ToArray(); var mins = Array.ConvertAll(new bool[qc], _ => int.MaxValue); var st1 = new ST1<int>(n, Math.Max, int.MinValue); var st2 = new ST1<int>(n, Math.Min, int.MaxValue); var xqs = xs.Select((x, i) => (x, l: int.MinValue, r: 0, i)).Concat(qs).ToArray(); // x - x_i >= 0 var q1 = xqs.OrderBy(v => v); // x_i - x >= 0 var q2 = xqs.OrderBy(v => -v.x).ThenBy(v => v.l); foreach (var (x, l, r, i) in q1) if (r == 0) st1.Set(i, x); else { var max = st1.Get(l - 1, r); if (max == st1.v0) continue; mins[i] = Math.Min(mins[i], x - max); } foreach (var (x, l, r, i) in q2) if (r == 0) st2.Set(i, x); else { var min = st2.Get(l - 1, r); if (min == st2.v0) continue; mins[i] = Math.Min(mins[i], min - x); } Console.WriteLine(string.Join("\n", mins)); } } class ST1<TV> { public struct STNode { public int i; public static implicit operator STNode(int i) => new STNode { i = i }; public override string ToString() => $"{i}"; public STNode Parent => i >> 1; public STNode Child0 => i << 1; public STNode Child1 => (i << 1) + 1; public STNode LastLeft(int length) => i * length; public STNode LastRight(int length) => (i + 1) * length; } // Power of 2 public int n2 = 1; public TV[] a2; public Func<TV, TV, TV> Union; public TV v0; // 全ノードを、零元を表す値で初期化します (零元の Union もまた零元)。 public ST1(int n, Func<TV, TV, TV> union, TV _v0, TV[] a0 = null) { while (n2 < n << 1) n2 <<= 1; a2 = new TV[n2]; Union = union; v0 = _v0; if (!Equals(v0, default(TV)) || a0 != null) Init(a0); } public void Init(TV[] a0 = null) { if (a0 == null) { for (int i = 1; i < n2; ++i) a2[i] = v0; } else { Array.Copy(a0, 0, a2, n2 >> 1, a0.Length); for (int i = (n2 >> 1) + a0.Length; i < n2; ++i) a2[i] = v0; for (int i = (n2 >> 1) - 1; i > 0; --i) a2[i] = Union(a2[i << 1], a2[(i << 1) + 1]); } } public STNode Actual(int i) => (n2 >> 1) + i; public int Original(STNode n) => n.i - (n2 >> 1); public TV this[STNode n] { get { return a2[n.i]; } set { a2[n.i] = value; } } // Bottom-up public void Set(int i, TV v) { var n = Actual(i); a2[n.i] = v; while ((n = n.Parent).i > 0) a2[n.i] = Union(a2[n.Child0.i], a2[n.Child1.i]); } public TV Get(int i) => a2[(n2 >> 1) + i]; // 範囲の昇順 public TV Get(int l_in, int r_ex) => Aggregate(l_in, r_ex, v0, (p, n, l) => Union(p, a2[n.i])); // 範囲の昇順 // (previous, node, length) => result public TR Aggregate<TR>(int l_in, int r_ex, TR r0, Func<TR, STNode, int, TR> func) { int al = (n2 >> 1) + l_in, ar = (n2 >> 1) + r_ex; var rv = r0; while (al < ar) { var length = al & -al; while (al + length > ar) length >>= 1; rv = func(rv, al / length, length); al += length; } return rv; } }