結果
問題 | No.1332 Range Nearest Query |
ユーザー | kakel-san |
提出日時 | 2024-08-29 23:40:51 |
言語 | C# (.NET 8.0.203) |
結果 |
AC
|
実行時間 | 1,497 ms / 2,500 ms |
コード長 | 6,584 bytes |
コンパイル時間 | 14,769 ms |
コンパイル使用メモリ | 169,408 KB |
実行使用メモリ | 256,656 KB |
最終ジャッジ日時 | 2024-08-29 23:42:55 |
合計ジャッジ時間 | 71,121 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 68 ms
31,872 KB |
testcase_01 | AC | 68 ms
31,488 KB |
testcase_02 | AC | 69 ms
31,616 KB |
testcase_03 | AC | 1,169 ms
122,668 KB |
testcase_04 | AC | 1,186 ms
122,916 KB |
testcase_05 | AC | 1,177 ms
119,552 KB |
testcase_06 | AC | 1,497 ms
141,468 KB |
testcase_07 | AC | 1,359 ms
139,540 KB |
testcase_08 | AC | 1,371 ms
140,948 KB |
testcase_09 | AC | 1,356 ms
137,080 KB |
testcase_10 | AC | 1,378 ms
136,576 KB |
testcase_11 | AC | 1,357 ms
142,072 KB |
testcase_12 | AC | 1,338 ms
142,192 KB |
testcase_13 | AC | 1,359 ms
142,464 KB |
testcase_14 | AC | 1,357 ms
142,324 KB |
testcase_15 | AC | 1,364 ms
142,296 KB |
testcase_16 | AC | 1,262 ms
140,672 KB |
testcase_17 | AC | 1,258 ms
141,180 KB |
testcase_18 | AC | 1,245 ms
141,312 KB |
testcase_19 | AC | 1,250 ms
140,888 KB |
testcase_20 | AC | 1,273 ms
140,924 KB |
testcase_21 | AC | 1,266 ms
143,176 KB |
testcase_22 | AC | 1,271 ms
141,436 KB |
testcase_23 | AC | 1,234 ms
141,428 KB |
testcase_24 | AC | 1,256 ms
141,136 KB |
testcase_25 | AC | 1,251 ms
141,304 KB |
testcase_26 | AC | 984 ms
141,232 KB |
testcase_27 | AC | 996 ms
141,344 KB |
testcase_28 | AC | 322 ms
71,036 KB |
testcase_29 | AC | 332 ms
70,492 KB |
testcase_30 | AC | 350 ms
70,276 KB |
testcase_31 | AC | 312 ms
70,504 KB |
testcase_32 | AC | 333 ms
70,452 KB |
testcase_33 | AC | 339 ms
70,700 KB |
testcase_34 | AC | 343 ms
70,752 KB |
testcase_35 | AC | 324 ms
70,788 KB |
testcase_36 | AC | 322 ms
70,624 KB |
testcase_37 | AC | 328 ms
70,396 KB |
testcase_38 | AC | 897 ms
91,832 KB |
testcase_39 | AC | 572 ms
73,072 KB |
testcase_40 | AC | 1,203 ms
140,612 KB |
testcase_41 | AC | 681 ms
76,948 KB |
testcase_42 | AC | 884 ms
92,100 KB |
testcase_43 | AC | 785 ms
80,016 KB |
testcase_44 | AC | 1,094 ms
120,576 KB |
testcase_45 | AC | 992 ms
95,360 KB |
testcase_46 | AC | 821 ms
86,356 KB |
testcase_47 | AC | 955 ms
256,656 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 (217 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 n = NN; var x = NList; var q = NN; var map = NArr(q); var a1 = Near(n, x, map); for (var i = 0; i < n; ++i) x[i] = 1_000_000_000 - x[i]; for (var i = 0; i < q; ++i) map[i][2] = 1_000_000_000 - map[i][2]; var a2 = Near(n, x, map); var ans = new int[q]; for (var i = 0; i < q; ++i) ans[i] = Math.Min(a1[i], a2[i]); WriteLine(string.Join("\n", ans)); } static int[] Near(int n, int[] x, int[][] query) { var list = x.Select((xi, id) => (xi, id)).ToList(); list.Sort((l, r) => { var d = l.xi.CompareTo(r.xi); if (d != 0) return d; return l.id.CompareTo(r.id); }); var plist = new int[n]; for (var i = 0; i < n; ++i) plist[list[i].id] = i; var seg = new SegmentTree<int>(n, new SegOp()); var qlist = query.Select((qi, id) => (id, qi[0], qi[1], qi[2])).ToList(); qlist.Sort((l, r) => r.Item2.CompareTo(l.Item2)); var ans = Enumerable.Repeat(int.MaxValue, query.Length).ToArray(); var count = n - 1; foreach (var que in qlist) { var li = que.Item2 - 1; var ri = que.Item3 - 1; var xi = que.Item4; while (count >= li) { seg[plist[count]] = count; --count; } var pos = LowerBound(0, xi, list); if (pos < n) { var p2 = seg.MaxRight(pos, v => v > ri); if (p2 < n) { ans[que.id] = list[p2].xi - xi; } } } return ans; } static int LowerBound(int left, int min, IList<(int xi, int id)> list) { if (list[left].xi >= min) return left; var ng = left; var ok = list.Count; while (ok - ng > 1) { var center = (ng + ok) / 2; if (list[center].xi < min) ng = center; else ok = center; } return ok; } 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 _n; 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; _n = n; 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; _n = v.Length; 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); } T AllProd() => d[1]; public int MinLeft(int r, Predicate<T> f) { if (r == 0) return 0; r += size; T sm = op.Identity; do { r--; while (r > 1 && (r % 2) != 0) r >>= 1; if (!f(op.Operate(d[r], sm))) { while (r < size) { r = 2 * r + 1; if (f(op.Operate(d[r], sm))) { sm = op.Operate(d[r], sm); r--; } } return r + 1 - size; } sm = op.Operate(d[r], sm); } while ((r & -r) != r); return 0; } public int MaxRight(int l, Predicate<T> f) { if (l == _n) return _n; l += size; T sm = op.Identity; do { while (l % 2 == 0) l >>= 1; if (!f(op.Operate(sm, d[l]))) { while (l < size) { l = 2 * l; if (f(op.Operate(sm, d[l]))) { sm = op.Operate(sm, d[l]); ++l; } } return l - size; } sm = op.Operate(sm, d[l]); ++l; } while ((l & -l) != l); return _n; } } }