結果
| 問題 |
No.3 ビットすごろく
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2016-10-31 21:42:38 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 28 ms / 5,000 ms |
| コード長 | 4,104 bytes |
| コンパイル時間 | 1,088 ms |
| コンパイル使用メモリ | 119,544 KB |
| 実行使用メモリ | 26,160 KB |
| 最終ジャッジ日時 | 2024-07-01 08:09:00 |
| 合計ジャッジ時間 | 2,941 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 33 |
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 LIB;
using System;
using System.Linq;
using System.Text;
using System.Collections.Generic;
class Program
{
public static IO IO = new IO();
static void Main(string[] args)
{
int n = IO.INT();
BFSNUMBER<int> Q = new BFSNUMBER<int>(n + 1);
int o = -1;
Q.PUSH(new PAIR<int, int>(1, 1));
while (Q.SIZE() != 0)
{
PAIR<int, int> b = Q.POP();
int bit = BIT(b.KEY);
if (b.KEY == n) { o = b.VALUE; break; }
Q.PUSH(new PAIR<int, int>(b.KEY - bit, b.VALUE + 1));
Q.PUSH(new PAIR<int, int>(b.KEY + bit, b.VALUE + 1));
}
IO.WRITE(o);
IO.FLUSH();
}
public static int BIT(int n)
{
int ret = 0;
for (int i = 0; i < 32; i++)
{
if ((1 << i & n) != 0)
{
ret++;
}
}
return ret;
}
}
#region BFS
namespace LIB
{
public class BFSNUMBER<T> : QUEUE<PAIR<int, T>>
{
private bool[] f;
public BFSNUMBER(int max) : base(max) { f = new bool[max]; }
public override void PUSH(PAIR<int, T> v) { int k = v.KEY; if (k >= 0 && k < m && !f[v.KEY]) { f[k] = true; base.PUSH(v); } }
}
}
#endregion
#region QUEUE
namespace LIB
{
public class QUEUE<T>
{
protected int m;
private int s, e, c;
private T[] q;
public QUEUE(int max) { m = max; q = new T[m]; CLEAR(); }
public void CLEAR() { e = 0; s = 0; c = 0; }
public int SIZE() { return c; }
public T TOP() { return q[0]; }
public T POP() { T r = q[s++]; s %= m; c--; return r; }
public virtual void PUSH(T v) { q[e++] = v; e %= m; c++; }
public bool EMPTY() { return SIZE() == 0; }
}
}
#endregion
#region PAIR
namespace LIB
{
public class PAIR<T, U> : IEquatable<PAIR<T, U>> where T : IEquatable<T>
{
public T KEY;
public U VALUE;
public PAIR(T key, U value) { KEY = key; VALUE = value; }
public bool SAME(PAIR<T, U> b) { return Equals(b); }
public bool Equals(PAIR<T, U> b) { return KEY.Equals(b.KEY); }
}
}
#endregion
namespace LIB
{
public class IO
{
private const int WMAX = 1000;
private StringBuilder S = new StringBuilder();
private T R<T>(Func<string, T> f) { return f(Console.ReadLine()); }
private T[] R<T>(Func<string, T> f, char c) { return STRING().Split(c).Select(f).ToArray(); }
private T[] R<T>(Func<string, T> f, int l) { T[] r = new T[l]; for (int i = 0; i < l; i++) { r[i] = R(f); } return r; }
private T[][] R<T>(Func<string, T> f, int l, char c) { T[][] r = new T[l][]; for (int i = 0; i < l; i++) { r[i] = R<T>(f, c); } return r; }
private void W<T>(Func<T, string> f, T v, bool lf = true) { S.Append(f(v)); if (lf) { S.Append('\n'); } if (S.Length >= WMAX) { FLUSH(); } }
public string STRING() { return R(s => s); }
public string[] STRING(char c) { return R(s => s, c); }
public string[] STRING(int l) { return R(s => s, l); }
public string[][] STRING(int l, char c) { return R(s => s, l, c); }
public int INT() { return R(int.Parse); }
public int[] INT(char c) { return R(int.Parse, c); }
public int[] INT(int l) { return R(int.Parse, l); }
public int[][] INT(int l, char c) { return R(int.Parse, l, c); }
public long LONG() { return R(long.Parse); }
public long[] LONG(char c) { return R(long.Parse, c); }
public long[] LONG(int l) { return R(long.Parse, l); }
public long[][] LONG(int l, char c) { return R(long.Parse, l, c); }
public double DOUBLE() { return R(double.Parse); }
public double[] DOUBLE(char c) { return R(double.Parse, c); }
public double[] DOUBLE(int l) { return R(double.Parse, l); }
public double[][] DOUBLE(int l, char c) { return R(double.Parse, l, c); }
public void WRITE(object s, bool lf = true) { W(v => v.ToString(), s, lf); }
public void FLUSH() { Console.Write(S); S.Length = 0; }
}
}