結果
| 問題 |
No.226 0-1パズル
|
| コンテスト | |
| ユーザー |
eitaho
|
| 提出日時 | 2015-06-13 00:59:49 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 35 ms / 5,000 ms |
| コード長 | 3,446 bytes |
| コンパイル時間 | 1,396 ms |
| コンパイル使用メモリ | 120,636 KB |
| 実行使用メモリ | 27,460 KB |
| 最終ジャッジ日時 | 2024-07-26 14:23:52 |
| 合計ジャッジ時間 | 2,473 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 22 |
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.IO;
using System.Linq;
using System.Text;
using System.Collections.Generic;
using System.Diagnostics;
using System.Numerics;
using Enu = System.Linq.Enumerable;
class Program
{
static readonly int Mod = (int)1e9 + 7;
public void Solve()
{
int H = Reader.Int(), W = Reader.Int();
var grid = Reader.StringArray(H);
int ans = (Count(grid) + Count(Rotate(grid))) % Mod;
ans = (ans + Mod - CheckerdPattern(grid)) % Mod;
Console.WriteLine(ans);
}
int Count(string[] grid)
{
// grid[r][c] ^ 1 == grid[r + 1][c]
int H = grid.Length, W = grid[0].Length;
int res = 1;
for (int c = 0; c < W; c++)
{
int count = 0;
for (int top = 0; top < 2; top++)
if (Enu.Range(0, H).All(r => grid[r][c] == '?' || grid[r][c] - '0' == (top + r) % 2))
count++;
if (count == 0) return 0;
res = res * count % Mod;
}
return res;
}
int CheckerdPattern(string[] grid)
{
int[] pattern = { 1, 1 };
for (int r = 0; r < grid.Length; r++)
for (int c = 0; c < grid[0].Length; c++)
for (int lefttop = 0; lefttop < 2; lefttop++)
if (grid[r][c] != '?' && grid[r][c] - '0' != (lefttop + r + c) % 2)
pattern[lefttop] = 0;
return pattern.Sum();
}
string[] Rotate(string[] a)
{
int H = a.Length, W = a[0].Length;
var rotated = new string[W];
for (int c = 0; c < W; c++)
for (int r = 0; r < H; r++)
rotated[c] += a[r][c];
return rotated;
}
}
class Entry { static void Main() { new Program().Solve(); } }
class Reader
{
private static TextReader reader = Console.In;
private static readonly char[] separator = { ' ' };
private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries;
private static string[] A = new string[0];
private static int i;
private static void Init() { A = new string[0]; }
public static void Set(TextReader r) { reader = r; Init(); }
public static void Set(string file) { reader = new StreamReader(file); Init(); }
public static bool HasNext() { return CheckNext(); }
public static string String() { return Next(); }
public static int Int() { return int.Parse(Next()); }
public static long Long() { return long.Parse(Next()); }
public static double Double() { return double.Parse(Next()); }
public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); }
public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); }
public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); }
public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); }
public static string Line() { return reader.ReadLine().Trim(); }
private static string[] Split(string s) { return s.Split(separator, op); }
private static string Next() { CheckNext(); return A[i++]; }
private static bool CheckNext()
{
if (i < A.Length) return true;
string line = reader.ReadLine();
if (line == null) return false;
if (line == "") return CheckNext();
A = Split(line);
i = 0;
return true;
}
}
eitaho