結果
| 問題 |
No.205 マージして辞書順最小
|
| コンテスト | |
| ユーザー |
bpyamasinn1
|
| 提出日時 | 2017-01-19 17:32:16 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 2,975 bytes |
| コンパイル時間 | 1,005 ms |
| コンパイル使用メモリ | 114,904 KB |
| 実行使用メモリ | 26,476 KB |
| 最終ジャッジ日時 | 2024-12-23 01:31:03 |
| 合計ジャッジ時間 | 2,482 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | RE * 4 |
| other | RE * 15 |
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;
namespace test
{
class MainClass
{
static void ReadStdin() { Console.SetIn(new System.IO.StreamReader("stdin.txt")); }
public static void Main()
{
ReadStdin();
var count = Int32.Parse(Console.ReadLine());
//reversed_priority_queue<string> que;
var que = new PriorityQueue<string>();
for (int i = 0; i < count; i++)
{
var s = Console.ReadLine();
s += '\xff';
que.Push(s);
}
string ans = "";
while (que.Count() != 0) {
string t = que.Peek();
que.Pop();
ans += t[0];
if (t.Length != 2)
{ // 1 is for the sentinel
que.Push(t.Substring(1));
}
}
Console.WriteLine(ans);
}
}
//template<class T> using reversed_priority_queue = priority_queue<T, vector<T>, greater<T> >;
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;
/// <summary>
/// Priority Queue with custom comparer
/// </summary>
public PriorityQueue(IComparer<T> comparer)
{
_heap = new T[128];
_comparer = comparer;
}
/// <summary>
/// Priority queue
/// </summary>
/// <param name="type">0: asc, 1:desc</param>
public PriorityQueue(int type = 0)
{
_heap = new T[128];
_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++;
if (_count > _heap.Length)
{
var newheap = new T[_heap.Length * 2];
for (int n = 0; n < _heap.Length; n++) newheap[n] = _heap[n];
_heap = newheap;
}
//node number
var i = _sz++;
while (i > 0)
{
//parent node number
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)
{
//children
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()
{
return _count;
}
public T Peek()
{
return _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;
}
}
}
bpyamasinn1