結果
| 問題 |
No.1739 Princess vs. Dragoness (& AoE)
|
| コンテスト | |
| ユーザー |
bluemegane
|
| 提出日時 | 2021-11-13 20:13:13 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 231 ms / 3,000 ms |
| コード長 | 3,646 bytes |
| コンパイル時間 | 1,269 ms |
| コンパイル使用メモリ | 115,496 KB |
| 実行使用メモリ | 36,864 KB |
| 最終ジャッジ日時 | 2024-11-27 21:06:13 |
| 合計ジャッジ時間 | 7,280 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 40 |
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 static System.Math;
using System.Collections.Generic;
using System;
public class PriorityQueue<T> where T : IComparable
{
private IComparer<T> _comparer = null;
private int _type = 0;
private T[] _heap;
private int _sz = 0;
private int _count = 0;
public PriorityQueue(int maxSize, IComparer<T> comparer)
{
_heap = new T[maxSize];
_comparer = comparer;
}
public PriorityQueue(int maxSize, int type = 0)
{
_heap = new T[maxSize];
_type = type;
}
private int Compare(T x, T y)
{
if (_comparer != null) return _comparer.Compare(x, y);
return _type == 0 ? x.CompareTo(y) : y.CompareTo(x);
}
public void Push(T x)
{
_count++;
var i = _sz++;
while (i > 0)
{
var p = (i - 1) / 2;
if (Compare(_heap[p], x) <= 0) break;
_heap[i] = _heap[p];
i = p;
}
_heap[i] = x;
}
public T Pop()
{
_count--;
T ret = _heap[0];
T x = _heap[--_sz];
int i = 0;
while (i * 2 + 1 < _sz)
{
int a = i * 2 + 1;
int b = i * 2 + 2;
if (b < _sz && Compare(_heap[b], _heap[a]) < 0) a = b;
if (Compare(_heap[a], x) >= 0) break;
_heap[i] = _heap[a];
i = a;
}
_heap[i] = x;
return ret;
}
public int Count() => _count;
public T Peek() => _heap[0];
public bool Contains(T x)
{
for (int i = 0; i < _sz; i++) if (x.Equals(_heap[i])) return true;
return false;
}
public void Clear()
{
while (this.Count() > 0) this.Pop();
}
public IEnumerator<T> GetEnumerator()
{
var ret = new List<T>();
while (this.Count() > 0)
{
ret.Add(this.Pop());
}
foreach (var r in ret)
{
this.Push(r);
yield return r;
}
}
public T[] ToArray()
{
T[] array = new T[_sz];
int i = 0;
foreach (var r in this)
{
array[i++] = r;
}
return array;
}
}
public class Hello
{
public static int n, a, x;
public static long by;
static void Main()
{
string[] line = Console.ReadLine().Trim().Split(' ');
n = int.Parse(line[0]);
a = int.Parse(line[1]);
var b = long.Parse(line[2]);
x = int.Parse(line[3]);
var y = long.Parse(line[4]);
by = b * y;
line = Console.ReadLine().Trim().Split(' ');
var h = Array.ConvertAll(line, long.Parse);
getAns(h);
}
static void getAns(long[] h)
{
var pq = new PriorityQueue<long>(n + 100, 1);
foreach (var z in h) pq.Push(z);
var na = a;
while (na > 0)
{
if (pq.Count() == 0) break;
var w = pq.Pop();
var w2 = Max(0, w - x);
pq.Push(w2);
na--;
}
var harray = pq.ToArray();
getAns2(harray);
}
static bool calc(long[] harray, long k)
{
var hL = harray.Length;
var sum = 0L;
for (int i = 0; i < hL; i++) sum += Max(0, harray[i] - k);
return by >= sum;
}
static void getAns2(long[] harray)
{
if (calc(harray, 0)) { Console.WriteLine(0); return; }
var ng = 0L;
var ok = 1000000000L;
while (ok - ng > 1)
{
var mid = ng + (ok - ng) / 2;
if (calc(harray, mid)) ok = mid;
else ng = mid;
}
Console.WriteLine(ok);
}
}
bluemegane