結果
問題 | No.1675 Strange Minimum Query |
ユーザー | kakel-san |
提出日時 | 2024-01-03 23:20:42 |
言語 | C# (.NET 8.0.203) |
結果 |
AC
|
実行時間 | 832 ms / 2,000 ms |
コード長 | 11,364 bytes |
コンパイル時間 | 9,140 ms |
コンパイル使用メモリ | 168,252 KB |
実行使用メモリ | 244,452 KB |
最終ジャッジ日時 | 2024-09-27 18:30:59 |
合計ジャッジ時間 | 27,311 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 63 ms
31,104 KB |
testcase_01 | AC | 61 ms
30,304 KB |
testcase_02 | AC | 63 ms
31,072 KB |
testcase_03 | AC | 609 ms
62,768 KB |
testcase_04 | AC | 581 ms
65,224 KB |
testcase_05 | AC | 125 ms
46,208 KB |
testcase_06 | AC | 772 ms
63,784 KB |
testcase_07 | AC | 832 ms
64,944 KB |
testcase_08 | AC | 65 ms
31,360 KB |
testcase_09 | AC | 66 ms
31,600 KB |
testcase_10 | AC | 246 ms
76,332 KB |
testcase_11 | AC | 114 ms
50,688 KB |
testcase_12 | AC | 268 ms
77,636 KB |
testcase_13 | AC | 456 ms
88,472 KB |
testcase_14 | AC | 782 ms
90,312 KB |
testcase_15 | AC | 742 ms
90,920 KB |
testcase_16 | AC | 63 ms
31,072 KB |
testcase_17 | AC | 156 ms
49,776 KB |
testcase_18 | AC | 199 ms
56,704 KB |
testcase_19 | AC | 250 ms
77,792 KB |
testcase_20 | AC | 460 ms
77,628 KB |
testcase_21 | AC | 432 ms
77,180 KB |
testcase_22 | AC | 545 ms
79,984 KB |
testcase_23 | AC | 429 ms
69,864 KB |
testcase_24 | AC | 396 ms
70,264 KB |
testcase_25 | AC | 296 ms
66,548 KB |
testcase_26 | AC | 187 ms
57,456 KB |
testcase_27 | AC | 378 ms
77,456 KB |
testcase_28 | AC | 253 ms
74,080 KB |
testcase_29 | AC | 178 ms
64,600 KB |
testcase_30 | AC | 182 ms
56,576 KB |
testcase_31 | AC | 513 ms
70,168 KB |
testcase_32 | AC | 684 ms
80,404 KB |
testcase_33 | AC | 695 ms
80,408 KB |
testcase_34 | AC | 684 ms
80,540 KB |
testcase_35 | AC | 617 ms
85,272 KB |
testcase_36 | AC | 631 ms
244,452 KB |
コンパイルメッセージ
復元対象のプロジェクトを決定しています... /home/judge/data/code/main.csproj を復元しました (101 ms)。 MSBuild のバージョン 17.9.6+a4ecab324 (.NET) main -> /home/judge/data/code/bin/Release/net8.0/main.dll main -> /home/judge/data/code/bin/Release/net8.0/publish/
ソースコード
using System; using static System.Console; using System.Linq; using System.Collections.Generic; class Program { static int NN => int.Parse(ReadLine()); static int[] NList => ReadLine().Split().Select(int.Parse).ToArray(); static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray(); public static void Main() { Solve(); } static void Solve() { var c = NList; var (n, q) = (c[0], c[1]); var map = NArr(q); WriteLine(Query(n, q, map)); } static string Query(int n, int q, int[][] map) { var addlist = new List<int>[n]; var dellist = new List<int>[n]; for (var i = 0; i < n; ++i) { addlist[i] = new List<int>(); dellist[i] = new List<int>(); } foreach (var query in map) { addlist[query[0] - 1].Add(query[2]); dellist[query[1] - 1].Add(query[2]); } var set = new AvlTree<int>(); var ans = new int[n]; for (var i = 0; i < n; ++i) { foreach (var add in addlist[i]) set.Insert(add); if (set.GetCount() == 0) ans[i] = 1; else ans[i] = set.ElementAt(set.GetCount() - 1); foreach (var del in dellist[i]) set.Delete(del); } var seg = new SegmentTree<int>(ans, new SegOp()); foreach (var que in map) { if (seg.Prod(que[0] - 1, que[1]) != que[2]) { return "-1"; } } return string.Join(" ", ans); } public class AvlTree<T> where T: IComparable<T> { private class Node<U> where U: IComparable<U> { public U Value; public Node<U> Lc = null; public Node<U> Rc = null; public int Height; public int Count; public int CCount; public Node(int height, U value) { Height = height; Count = 1; CCount = 1; Value = value; } } private Node<T> root = null; static int GetHeight(Node<T> t) { return t == null ? 0 : t.Height; } static int GetCount(Node<T> t) { return t == null ? 0 : t.Count; } static int GetBalance(Node<T> t) { return GetHeight(t.Lc) - GetHeight(t.Rc); } static void Recalc(Node<T> t) { if (t == null) return; t.Height = 1 + Math.Max(GetHeight(t.Lc), GetHeight(t.Rc)); t.Count = t.CCount + GetCount(t.Lc) + GetCount(t.Rc); } static Node<T> RotateLeft(Node<T> t) { Node<T> u = t.Rc; Node<T> t2 = u.Lc; u.Lc = t; t.Rc = t2; Recalc(t); Recalc(u); return u; } static Node<T> RotateRight(Node<T> t) { Node<T> u = t.Lc; Node<T> t2 = u.Rc; u.Rc = t; t.Lc = t2; Recalc(t); Recalc(u); return u; } static Node<T> RotateLR(Node<T> t) { t.Lc = RotateLeft(t.Lc); return RotateRight(t); } static Node<T> RotateRL(Node<T> t) { t.Rc = RotateRight(t.Rc); return RotateLeft(t); } static Node<T> BalanceLeft(Node<T> t) { if (GetBalance(t) > 1) { if (GetBalance(t.Lc) < 0) t = RotateLR(t); else t = RotateRight(t); } Recalc(t); return t; } static Node<T> BalanceRight(Node<T> t) { if (GetBalance(t) < -1) { if (GetBalance(t.Rc) > 0) t = RotateRL(t); else t = RotateLeft(t); } Recalc(t); return t; } /// <summary>valueを挿入する</summary> public void Insert(T value) { root = Insert(root, value); } Node<T> Insert(Node<T> cur, T value) { if (cur == null) { return new Node<T>(1, value); } var d = value.CompareTo(cur.Value); if (d < 0) { cur.Lc = Insert(cur.Lc, value); return BalanceLeft(cur); } else if (d > 0) { cur.Rc = Insert(cur.Rc, value); return BalanceRight(cur); } else { ++cur.CCount; Recalc(cur); return cur; } } /// <summary>valueを削除する 存在しない場合はなにもしない</summary> public void Delete(T value) { root = Delete(root, value); } Node<T> Delete(Node<T> cur, T value) { if (cur == null) return null; var d = value.CompareTo(cur.Value); if (d < 0) { cur.Lc = Delete(cur.Lc, value); return BalanceRight(cur); } else if (d > 0) { cur.Rc = Delete(cur.Rc, value); return BalanceLeft(cur); } else { --cur.CCount; if (cur.CCount == 0) { if (cur.Lc != null) { Node<T> del = null; var max = DeleteMax(cur.Lc, ref del); cur.Lc = max; cur.Value = del.Value; cur.CCount = del.CCount; return BalanceRight(cur); } else { return cur.Rc; } } else { Recalc(cur); return cur; } } } Node<T> DeleteMax(Node<T> t, ref Node<T> del) { if (t.Rc == null) { del = t; return t.Lc; } else { var max = DeleteMax(t.Rc, ref del); t.Rc = max; return BalanceLeft(t); } } /// <summary>小さいほうからpos番目の要素を取得する</summary> public T ElementAt(int pos) { if (pos < 0 || pos >= GetCount(root)) return default; var t = ElementAt(root, pos); return t.Value; } /// <summary>小さいほうからpos番目の要素を取得する</summary> public T ElementAt(int pos, T defaultValue) { if (pos < 0 || pos >= GetCount(root)) return defaultValue; return ElementAt(pos); } Node<T> ElementAt(Node<T> cur, int pos) { if (pos < GetCount(cur.Lc)) return ElementAt(cur.Lc, pos); if (pos < GetCount(cur.Lc) + cur.CCount) return cur; if (pos < cur.Count) return ElementAt(cur.Rc, pos - GetCount(cur.Lc) - cur.CCount); return null; } public void Debug() { if (root == null) return; Console.WriteLine($"root val:{root.Value}, CCount:{root.CCount}, Count:{root.Count}"); Debug(root.Value, root.Lc); Debug(root.Value, root.Rc); } void Debug(T pval, Node<T> cur) { if (cur == null) return; Console.WriteLine($"{pval} -> val:{cur.Value}, CCount:{cur.CCount}, Count:{cur.Count}"); Debug(cur.Value, cur.Lc); Debug(cur.Value, cur.Rc); } /// <summary>value以上でもっとも小さい値とその場所を返却する</summary> public T LowerBound(T value, ref int index) { var cur = root; T ans = default; var add = 0; index = GetCount(root); while (cur != null) { if (value.CompareTo(cur.Value) <= 0) { ans = cur.Value; index = add + GetCount(cur.Lc); cur = cur.Lc; } else { add += GetCount(cur.Lc) + cur.CCount; cur = cur.Rc; } } return ans; } /// <summary>要素の個数を求める</summary> public int GetCount() { return GetCount(root); } } struct SegOp : ISegmentTreeOperator<int> { public int Identity => int.MaxValue; public int Operate(int x, int y) { return Math.Min(x, y); } } interface ISegmentTreeOperator<T> { T Identity { get; } T Operate(T x, T y); } class SegmentTree<T> { int size; int log; T[] d; ISegmentTreeOperator<T> op; void Update(int k) { d[k] = op.Operate(d[2 * k], d[2 * k + 1]); } public SegmentTree(int n, ISegmentTreeOperator<T> op) { this.op = op; size = 1; while (size < n) size <<= 1; log = CountRZero(size); d = new T[2 * size]; for (var i = 0; i < d.Length; ++i) d[i] = op.Identity; } public SegmentTree(T[] v, ISegmentTreeOperator<T> op) { this.op = op; size = 1; while (size < v.Length) size <<= 1; log = CountRZero(size); d = new T[2 * size]; for (var i = 0; i < size; ++i) d[i] = op.Identity; for (var i = 0; i < v.Length; ++i) d[size + i] = v[i]; for (var i = size - 1; i >= 1; --i) Update(i); } int CountRZero(int n) { var ans = 0; while (n % 2 == 0) { ++ans; n >>= 1; } return ans; } public T this[int p] { get { return d[p + size]; } set { p += size; d[p] = value; for (var i = 1; i <= log; ++i) Update(p >> i); } } public T Prod(int l, int r) { var sml = op.Identity; var smr = op.Identity; l += size; r += size; while (l < r) { if ((l & 1) != 0) sml = op.Operate(sml, d[l++]); if ((r & 1) != 0) smr = op.Operate(d[--r], smr); l >>= 1; r >>= 1; } return op.Operate(sml, smr); } } }