結果
問題 | No.198 キャンディー・ボックス2 |
ユーザー |
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提出日時 | 2017-10-07 02:15:09 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 31 ms / 1,000 ms |
コード長 | 3,784 bytes |
コンパイル時間 | 2,773 ms |
コンパイル使用メモリ | 111,792 KB |
実行使用メモリ | 28,888 KB |
最終ジャッジ日時 | 2024-11-16 10:14:00 |
合計ジャッジ時間 | 4,366 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 26 |
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.Threading.Tasks; namespace ProgrammingContest { class MainClass { Scanner sc; static void Main(string[] args) { new MainClass().Solve(); } const bool DEBUG = false; // TODO: must check!! void Solve() { if (DEBUG) { string backPath = ".."; char dirSep = System.IO.Path.DirectorySeparatorChar; string inFilePath = backPath + dirSep + backPath + dirSep + "in.txt"; sc = new Scanner(new System.IO.StreamReader(inFilePath)); } else { sc = new Scanner(); } long B = sc.NextInt; int N = sc.NextInt; long[] C = new long[N]; for (int i = 0; i < N; i++) { C[i] = sc.NextInt; } Array.Sort(C); Array.Reverse(C); long high = (long) 1e18; long low = 0; while (high - low > 10) { long mid1 = (high + low * 2) / 3; long mid2 = (high * 2 + low) / 3; if (calc(B, C, mid1) > calc(B, C, mid2)) { low = mid1; } else { high = mid2; } } long ans = (long)1e18; for (long i = Math.Max(0, low); i <= Math.Min(high + 5, (C.Sum() + B) / N); i++) { ans = Math.Min(ans, calc(B, C, i)); } Console.WriteLine(ans); } long calc(long B, long[] C, long need) { long res = 0; long have = B; foreach(var c in C) { if (need > c) { have -= need - c; res += need - c; } else if (need < c) { have += c - need; res += c - need; } if (have < 0) { return (long)1e18; } } return res; } } class Scanner { Queue<String> buffer; char[] sep; System.IO.TextReader reader; public Scanner(System.IO.TextReader reader = null) { this.buffer = new Queue<string>(); this.sep = new char[] { ' ' }; this.reader = (reader ?? Console.In); } private void CheckBuffer() { if (this.buffer.Count == 0) { String[] sreArray = this.reader.ReadLine().Split(this.sep); foreach (String elStr in sreArray) { this.buffer.Enqueue(elStr); } } } public String Next { get { this.CheckBuffer(); return this.buffer.Dequeue(); } } public int NextInt { get { return int.Parse(this.Next); } } public double NextDouble { get { return double.Parse(this.Next); } } public long NextLong { get { return long.Parse(this.Next); } } public bool IsEmpty { get { this.CheckBuffer(); return this.buffer.Count == 0; } } } }