結果
| 問題 |
No.2453 Seat Allocation
|
| コンテスト | |
| ユーザー |
bluemegane
|
| 提出日時 | 2023-09-02 07:55:22 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 228 ms / 2,000 ms |
| コード長 | 3,616 bytes |
| コンパイル時間 | 2,783 ms |
| コンパイル使用メモリ | 114,928 KB |
| 実行使用メモリ | 57,388 KB |
| 最終ジャッジ日時 | 2025-06-20 01:48:27 |
| 合計ジャッジ時間 | 7,388 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 23 |
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.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 P : IComparable
{
public long av { get; set; }
public long bv { get; set; }
public int id { get; set; }
public int bid { get; set; }
public int CompareTo(object obj)
{
var x = (P)obj;
var tt = this.av * x.bv;
var tt2 = x.av * this.bv;
if (tt < tt2) return 1;
else if (tt > tt2) return -1;
else
{
if (this.id > x.id) return 1;
else return -1;
}
}
}
public class Hello
{
static void Main()
{
string[] line = Console.ReadLine().Trim().Split(' ');
var n = int.Parse(line[0]);
var m = int.Parse(line[1]);
line = Console.ReadLine().Trim().Split(' ');
var a = Array.ConvertAll(line, long.Parse);
line = Console.ReadLine().Trim().Split(' ');
var b = Array.ConvertAll(line, long.Parse);
getAns(n, m, a, b);
}
static void getAns(int n, int m, long[] a, long[] b)
{
var pq = new PriorityQueue<P>(n + 100);
for (int i = 0; i < n; i++) pq.Push(new P { id = i, av = a[i], bv = b[0], bid = 0 });
var ans = new List<int>();
var c = m;
while (c-- > 0)
{
var w = pq.Pop();
ans.Add(w.id + 1);
if (w.bid == m - 1) continue;
pq.Push(new P { id = w.id, av = w.av, bv = b[w.bid + 1], bid = w.bid + 1 });
}
Console.WriteLine(string.Join("\n", ans));
}
}
bluemegane