結果
問題 | No.2248 max(C)-min(C) |
ユーザー |
|
提出日時 | 2023-03-17 22:06:38 |
言語 | C# (.NET 8.0.404) |
結果 |
AC
|
実行時間 | 1,566 ms / 3,000 ms |
コード長 | 11,977 bytes |
コンパイル時間 | 12,402 ms |
コンパイル使用メモリ | 168,844 KB |
実行使用メモリ | 194,672 KB |
最終ジャッジ日時 | 2024-09-18 11:08:55 |
合計ジャッジ時間 | 54,866 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 51 |
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 (88 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 System.Collections;using System.Collections.Generic;using System.Diagnostics;using System.Diagnostics.Contracts;using System.IO;using System.Linq;using System.Numerics;using System.Runtime.CompilerServices;using System.Runtime.InteropServices;using System.Text;using static Functions;static class Program{static public void Main(string[] args){Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });new Solver();Console.Out.Flush();}}public class Solver{public Solver(){Solve();}void Solve(){int n = ri;var a = new long[n];var b = new long[n];for (int i = 0; i < n; i++) a[i] = ri;for (int i = 0; i < n; i++) b[i] = ri;var c = new long[n, 4];for (int i = 0; i < n; i++){if (a[i] > b[i]) Swap(ref a[i], ref b[i]);c[i, 0] = a[i];c[i, 1] = (a[i] + b[i]) / 2;c[i, 2] = b[i];c[i, 3] = INF;}var x = new List<long>();var pq = new PriorityQueue<long, (int i, int j, long v)>(x => -x.v);for (int i = 0; i < n; i++)for (int j = 0; j < 3; j++){x.Add(c[i, j]);pq.Enqueue((i, j, c[i, j]));}x.Sort();long max = a.Max();long ans = a.Max() - a.Min();foreach (var u in x){while (pq.Count > 0 && pq.Peek().v < u){var (i, j, v) = pq.Dequeue();Chmax(ref max, c[i, j + 1]);}Chmin(ref ans, max - u);}Write(ans);}const long INF = 1L << 60;int ri { get { return (int)sc.Integer(); } }long rl { get { return sc.Integer(); } }ulong rul { get { return sc.UInteger(); } }double rd { get { return sc.Double(); } }string rs { get { return sc.Scan(); } }string rline { get { return sc.Line(); } }public StreamScanner sc = new StreamScanner(Console.OpenStandardInput());[MethodImpl(MethodImplOptions.AggressiveInlining)]T[] RepArray<T>(T t, int count) => Enumerable.Repeat(t, count).ToArray();[MethodImpl(MethodImplOptions.AggressiveInlining)]void WriteJoin<T>(string s, IEnumerable<T> t) => Console.WriteLine(string.Join(s, t));[MethodImpl(MethodImplOptions.AggressiveInlining)]void WriteMat<T>(T[,] a){int sz1 = a.GetLength(0);int sz2 = a.GetLength(1);for (int i = 0; i < sz1; i++){var s = new List<string>();for (int j = 0; j < sz2; j++) s.Add(a[i, j].ToString());WriteJoin(" ", s);}}[MethodImpl(MethodImplOptions.AggressiveInlining)]void Write(object t) => Console.WriteLine(t.ToString());[MethodImpl(MethodImplOptions.AggressiveInlining)]void Write(string str) => Console.WriteLine(str);[MethodImpl(MethodImplOptions.AggressiveInlining)]void Write(string str, object arg1) => Console.WriteLine(str, arg1);[MethodImpl(MethodImplOptions.AggressiveInlining)]void Write(string str, object arg1, object arg2) => Console.WriteLine(str, arg1, arg2);[MethodImpl(MethodImplOptions.AggressiveInlining)]void Write(string str, object arg1, object arg2, object arg3) => Console.WriteLine(str, arg1, arg2, arg3);[MethodImpl(MethodImplOptions.AggressiveInlining)]void Write(string str, params object[] arg) => Console.WriteLine(str, arg);[MethodImpl(MethodImplOptions.AggressiveInlining)]void WriteFlush(object t){ Console.WriteLine(t.ToString()); Console.Out.Flush(); }[MethodImpl(MethodImplOptions.AggressiveInlining)]void WriteError(object t) => Console.Error.WriteLine(t.ToString());[MethodImpl(MethodImplOptions.AggressiveInlining)]void YN(bool t) => Console.WriteLine(t ? "YES" : "NO");[MethodImpl(MethodImplOptions.AggressiveInlining)]void Yn(bool t) => Console.WriteLine(t ? "Yes" : "No");[MethodImpl(MethodImplOptions.AggressiveInlining)]void yn(bool t) => Console.WriteLine(t ? "yes" : "no");}public static class Functions{public static int Popcount(ulong x){x = (x & 0x5555555555555555UL) + ((x >> 1) & 0x5555555555555555UL);x = (x & 0x3333333333333333UL) + ((x >> 2) & 0x3333333333333333UL);x = (x & 0x0f0f0f0f0f0f0f0fUL) + ((x >> 4) & 0x0f0f0f0f0f0f0f0fUL);x = (x & 0x00ff00ff00ff00ffUL) + ((x >> 8) & 0x00ff00ff00ff00ffUL);x = (x & 0x0000ffff0000ffffUL) + ((x >> 16) & 0x0000ffff0000ffffUL);x = (x & 0x00000000ffffffffUL) + ((x >> 32) & 0x00000000ffffffffUL);return (int)x;}public static int Popcount(int x){x = (x & 0x55555555) + ((x >> 1) & 0x55555555);x = (x & 0x33333333) + ((x >> 2) & 0x33333333);x = (x & 0x0f0f0f0f) + ((x >> 4) & 0x0f0f0f0f);x = (x & 0x00ff00ff) + ((x >> 8) & 0x00ff00ff);x = (x & 0x0000ffff) + ((x >> 16) & 0x0000ffff);return x;}public static int Ctz(long x){if (x == 0) return -1;return Popcount((ulong)((x & -x) - 1));}public static int SafeMod(int x, int m){int r = x % m;return r < 0 ? r + m : r;}public static long SafeMod(long x, long m){long r = x % m;return r < 0 ? r + m : r;}[MethodImpl(MethodImplOptions.AggressiveInlining)] public static int Sign(long x) => x == 0 ? 0 : (x < 0 ? -1 : 1);[MethodImpl(MethodImplOptions.AggressiveInlining)] public static int DigitSum(long n, int d = 10) { long s = 0; while (n > 0) { s += n % d; n /=d; } return (int)s; }[MethodImpl(MethodImplOptions.AggressiveInlining)] public static long Floor(long a, long b) => a >= 0 ? a / b : (a + 1) / b - 1;[MethodImpl(MethodImplOptions.AggressiveInlining)] public static long Ceil(long a, long b) => a > 0 ? (a - 1) / b + 1 : a / b;[MethodImpl(MethodImplOptions.AggressiveInlining)] public static int Gcd(int a, int b) => b == 0 ? a : Gcd(b, a % b);[MethodImpl(MethodImplOptions.AggressiveInlining)] public static long Gcd(long a, long b) => b == 0 ? a : Gcd(b, a % b);[MethodImpl(MethodImplOptions.AggressiveInlining)] public static void Swap(ref int x, ref int y) { x ^= y; y ^= x; x ^= y; }[MethodImpl(MethodImplOptions.AggressiveInlining)] public static void Swap(ref long x, ref long y) { x ^= y; y ^= x; x ^= y; }[MethodImpl(MethodImplOptions.AggressiveInlining)] public static void Swap<T>(ref T x, ref T y) { T t = y; y = x; x = t; }[MethodImpl(MethodImplOptions.AggressiveInlining)] public static T Clamp<T>(T x, T l, T r) where T : IComparable<T> => x.CompareTo(l) <= 0 ? l :(x.CompareTo(r) <= 0 ? x : r);[MethodImpl(MethodImplOptions.AggressiveInlining)] public static T Clamp<T>(ref T x, T l, T r) where T : IComparable<T> => x = x.CompareTo(l) <=0 ? l : (x.CompareTo(r) <= 0 ? x : r);[MethodImpl(MethodImplOptions.AggressiveInlining)] public static void Chmin<T>(ref T x, T y) where T : IComparable<T> { if (x.CompareTo(y) > 0) x= y; }[MethodImpl(MethodImplOptions.AggressiveInlining)] public static void Chmax<T>(ref T x, T y) where T : IComparable<T> { if (x.CompareTo(y) < 0) x= y; }public static int LowerBound<T>(T[] arr, Func<T, int> comp, int l = -1, int r = -1) => LowerBound<T>(arr.AsSpan<T>(), comp, l, r);public static int LowerBound<T>(Span<T> data, Func<T, int> comp, int l = -1, int r = -1){if (data.Length == 0) return -1;if (l == -1) l = 0;if (r == -1) r = data.Length;while (l < r){int x = (l + r) / 2;if (comp(data[x]) < 0) l = x + 1;else r = x;}return l;}}public class StreamScanner{public StreamScanner(Stream stream) { str = stream; }private readonly Stream str;private readonly byte[] buf = new byte[1024];private int len, ptr;public bool isEof = false;public bool IsEndOfStream { get { return isEof; } }private byte read(){if (isEof) throw new EndOfStreamException();if (ptr >= len){ptr = 0;if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; }}return buf[ptr++];}public char Char(){byte b = 0;do b = read();while (b < 33 || 126 < b);return (char)b;}public string Line(){var sb = new StringBuilder();for (var b = Char(); b != 10 && !isEof; b = (char)read()) sb.Append(b);return sb.ToString();}public string Scan(){var sb = new StringBuilder();for (var b = Char(); b >= 33 && b <= 126; b = (char)read()) sb.Append(b);return sb.ToString();}public long Integer(){long ret = 0; byte b = 0; var ng = false;do b = read();while (b != '-' && (b < '0' || '9' < b));if (b == '-') { ng = true; b = read(); }for (; true; b = read()){if (b < '0' || '9' < b) return ng ? -ret : ret;else ret = ret * 10 + b - '0';}}public ulong UInteger(){ulong ret = 0; byte b = 0;do b = read();while (b < '0' || '9' < b);for (; true; b = read()){if (b < '0' || '9' < b) return ret;else ret = ret * 10 + b - '0';}}public double Double() { return double.Parse(Scan()); }}public class PriorityQueue<TKey, TValue> : IEnumerable<TValue>{public int Count { get; private set; } = 0;private readonly List<KeyValuePair<TKey, TValue>> _data;private readonly Func<TValue, TKey> _keySelector;private readonly IComparer<TKey> _keyComparer;public PriorityQueue(Func<TValue, TKey> keySelector) : this(keySelector, Comparer<TKey>.Default) { }public PriorityQueue(Func<TValue, TKey> keySelector, IComparer<TKey> keyComparer){_keySelector = keySelector;_keyComparer = keyComparer;_data = new List<KeyValuePair<TKey, TValue>>();}public void Clear(){Count = 0;_data.Clear();}public void Enqueue(TValue item){_data.Add(new KeyValuePair<TKey, TValue>(_keySelector(item), item));var childIndex = Count;Count++;while (childIndex > 0){var parentIndex = (childIndex - 1) / 2;if (Compare(_data[childIndex].Key, _data[parentIndex].Key) >= 0)break;Swap(childIndex, parentIndex);childIndex = parentIndex;}}public TValue Dequeue(){Count--;var lastIndex = Count;var firstItem = _data[0];_data[0] = _data[lastIndex];_data.RemoveAt(lastIndex--);var parentIndex = 0;while (true){var childIndex = parentIndex * 2 + 1;if (childIndex > lastIndex)break;var rightChild = childIndex + 1;if (rightChild <= lastIndex && Compare(_data[rightChild].Key, _data[childIndex].Key) < 0)childIndex = rightChild;if (Compare(_data[parentIndex].Key, _data[childIndex].Key) <= 0)break;Swap(parentIndex, childIndex);parentIndex = childIndex;}return firstItem.Value;}public TValue Peek() { return _data[0].Value; }private void Swap(int a, int b){var tmp = _data[a];_data[a] = _data[b];_data[b] = tmp;}private int Compare(TKey a, TKey b) { return _keyComparer.Compare(b, a); }public IEnumerator<TValue> GetEnumerator(){return _data.Select(r => r.Value).GetEnumerator();}IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();}