結果
| 問題 |
No.1949 足し算するだけのパズルゲーム(2)
|
| コンテスト | |
| ユーザー |
bluemegane
|
| 提出日時 | 2022-05-24 09:56:47 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,159 bytes |
| コンパイル時間 | 1,012 ms |
| コンパイル使用メモリ | 115,648 KB |
| 実行使用メモリ | 56,396 KB |
| 最終ジャッジ日時 | 2024-09-20 13:33:08 |
| 合計ジャッジ時間 | 7,288 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 11 TLE * 1 -- * 14 |
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 int x { get; set; }
public int y { get; set; }
public long d { get; set; }
public int CompareTo(object obj)
{
var p = (P)obj;
if (this.d > p.d) return 1;
else if (this.d == p.d) return 0;
else return -1;
}
}
public class Hello
{
static void Main()
{
string[] line = Console.ReadLine().Trim().Split(' ');
var h = int.Parse(line[0]);
var w = int.Parse(line[1]);
var sx = int.Parse(line[2]) - 1;
var sy = int.Parse(line[3]) - 1;
getAns(h, w, sx, sy);
}
static void getAns(int h, int w, int sx, int sy)
{
var dx = new int[] { 0, 1, 0, -1 };
var dy = new int[] { 1, 0, -1, 0 };
var ans = 0L;
var pq = new PriorityQueue<P>(h * w + 10);
var asum = 0L;
for (int i = 0; i < h; i++)
{
string[] line = Console.ReadLine().Trim().Split(' ');
for (int j = 0; j < w; j++)
{
var t = long.Parse(line[j]);
asum += t;
if (i == sx && j == sy) ans = t;
else pq.Push(new P { d = t, x = i, y = j });
}
}
var map = new bool[h, w];
map[sx, sy] = true;
var te = new List<P>();
while (pq.Count() > 0)
{
var ww = pq.Pop();
if (ans <= ww.d) { te.Add(ww); continue; }
for (int i = 0; i < 4; i++)
{
var nx = ww.x + dx[i];
var ny = ww.y + dy[i];
if (nx >= 0 && nx < h && ny >= 0 && ny < w && map[nx,ny])
{
ans += ww.d;
map[ww.x, ww.y] = true;
foreach (var z in te) pq.Push(z);
te.Clear();
goto next;
}
}
te.Add(ww);
next:;
}
Console.WriteLine(ans == asum? "Yes":"No");
}
}
bluemegane