結果
| 問題 |
No.198 キャンディー・ボックス2
|
| コンテスト | |
| ユーザー |
sekiya9311
|
| 提出日時 | 2017-10-07 02:13:12 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,784 bytes |
| コンパイル時間 | 2,388 ms |
| コンパイル使用メモリ | 108,032 KB |
| 実行使用メモリ | 19,072 KB |
| 最終ジャッジ日時 | 2024-11-17 03:18:08 |
| 合計ジャッジ時間 | 4,243 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 WA * 1 |
| other | AC * 14 WA * 12 |
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;
}
}
}
}
sekiya9311