結果
| 問題 |
No.3 ビットすごろく
|
| コンテスト | |
| ユーザー |
kishida.shinya
|
| 提出日時 | 2018-06-28 13:52:31 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,844 bytes |
| コンパイル時間 | 841 ms |
| コンパイル使用メモリ | 110,312 KB |
| 実行使用メモリ | 27,968 KB |
| 最終ジャッジ日時 | 2024-06-30 23:25:00 |
| 合計ジャッジ時間 | 2,530 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 15 WA * 18 |
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;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace bitscreen
{
class Program
{
static int modoru(int cur, int goal, ref int step_counter, ref int modoru_counter)
{
int modoru_num = bitCounter(cur);
modoru_num = cur - modoru_num;
int ret = 0;
if (modoru_num < 0)
{
modoru_counter++;
return -2;
}
else if (modoru_num == goal)
{
step_counter++;
return 0;
}
else
{
step_counter++;
modoru_counter++;
ret = susumu(modoru_num, goal, ref step_counter, ref modoru_counter);
if(ret != 0)
{
return -2;
}
return ret;
}
}
static int susumu(int cur, int goal, ref int step_counter, ref int modoru_counter)
{
int susumu_num = bitCounter(cur);
susumu_num += cur;
if(susumu_num > goal)
{
return -1;
}
else if (susumu_num == goal)
{
step_counter++;
return 0;
}
else
{
step_counter++;
int ret;
if (susumu_num == 0) susumu_num++;
ret = susumu(susumu_num, goal, ref step_counter, ref modoru_counter);
if (ret == -1)
{
if(modoru_counter == 1)
{
return -1;
}
ret = modoru(susumu_num, goal, ref step_counter, ref modoru_counter);
if (ret == -2)
{
return -3;
}
}
return ret;
}
}
static int bitCounter(int n)
{
int bitmask = 0x00000001;
int data = n;
int count = 0;
for (int j = 0; j < 32; j++)
{
if ((data & bitmask) == 1) count++;
data = data >> 1;
}
return count;
}
static void Main(string[] args)
{
string s = Console.ReadLine();
int step_counter = 0;
int ret = 0;
int modoru_counter = 0;
ret = susumu(0,int.Parse(s), ref step_counter, ref modoru_counter);
if (ret == 0)
{
Console.WriteLine(step_counter);
}
else
{
Console.WriteLine(-1);
}
}
}
}
kishida.shinya