結果
問題 | No.875 Range Mindex Query |
ユーザー | mnzn |
提出日時 | 2020-01-03 16:00:45 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,774 bytes |
コンパイル時間 | 945 ms |
コンパイル使用メモリ | 108,544 KB |
実行使用メモリ | 31,616 KB |
最終ジャッジ日時 | 2024-11-22 19:11:59 |
合計ジャッジ時間 | 6,123 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 26 ms
17,792 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
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.Text; using System.Text.RegularExpressions; class Program { static void Main(string[] args) { var N = sc.ReadInt(); var Q = sc.ReadInt(); var A = sc.ReadIntArray(N); var res = new List<int>(); var seg = new SegmentTree(A); for (int i = 0; i < Q; i++) { var x = sc.ReadInt(); var l = sc.ReadInt() - 1; var r = sc.ReadInt() - 1; if (x == 1) { seg.Update(l, A[r]); seg.Update(r, A[l]); } else { var ans = seg.Query(l, r); res.Add(ans); } } foreach (var item in res) { Console.WriteLine(item); } } static Scanner sc = new Scanner(); } class Scanner { string[] S = new string[0]; int Index = 0; char[] Separators = new char[] { ' ' }; public string Next() { if (this.Index < this.S.Length) return this.S[this.Index++]; var line = ""; while (line == "") line = Console.ReadLine(); this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries); if (this.S.Length == 0) return this.Next(); this.Index = 0; return this.S[this.Index++]; } public string ReadStr() { return this.Next(); } public char ReadChar() { return this.Next()[0]; } public int ReadInt() { return int.Parse(this.Next()); } public uint ReadUInt() { return uint.Parse(this.Next()); } public long ReadLong() { return long.Parse(this.Next()); } public double ReadDouble() { return double.Parse(this.Next()); } public Tuple<int, int> ReadTup(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add); } public Tuple<long, long> ReadTupLong(int add = 0) { return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add); } public Tuple<int, int, int> ReadTup3(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add); } public Tuple<int, int, int, int> ReadTup4(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add); } public int[] ReadIntArray(int n) { var array = new int[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadInt(); } return array; } public long[] ReadLongArray(int n) { var array = new long[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadLong(); } return array; } public double[] ReadDoubleArray(int n) { var array = new double[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadDouble(); } return array; } public char[] ReadCharArray(int n) { var array = new char[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadChar(); } return array; } public string[] ReadStrArray(int n) { var array = new string[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadStr(); } return array; } public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0) { var array = new Tuple<long, long>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTupLong(add); } return array; } public Tuple<int, int>[] ReadTupArray(int n, int add = 0) { var array = new Tuple<int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup(add); } return array; } public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0) { var array = new Tuple<int, int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup3(add); } return array; } public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0) { var array = new Tuple<int, int, int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup4(add); } return array; } } class SegmentTree { public int N { get; set; } public int[] Node { get; set; } public static int INF = int.MaxValue; public SegmentTree(int[] a) { N = 1; while (N < a.Length) N *= 2; this.Node = new int[2 * N - 1]; for (int i = 0; i < this.Node.Length; i++) this.Node[i] = INF; for (int i = 0; i < a.Length; i++) this.Node[N + i] = a[i]; for (int i = N - 2; i >= 0; i--) { this.Node[i] = Math.Min(this.Node[2 * i + 1], this.Node[2 * i + 2]); } } public void Update(int x, int v) { x += (this.N - 1); this.Node[x] = v; while (x > 0) { x = (x - 1) / 2; this.Node[x] = Math.Min(this.Node[2 * x + 1], this.Node[2 * x + 2]); } } public int Query(int a, int b) { return this.Query(a, b, 0, 0, this.N); } public int Query(int a, int b, int k = 0, int l = 0, int r = -1) { if (r <= a || b <= l) return INF; if (a <= l && r <= b) return this.Node[k]; var vl = this.Query(a, b, 2 * k + 1, l, (l + r) / 2); var vr = this.Query(a, b, 2 * k + 2, (l + r) / 2, r); return Math.Min(vl, vr); } }