結果

問題 No.3018 目隠し宝探し
ユーザー yupiteru_kun
提出日時 2025-01-25 14:03:45
言語 C#
(.NET 8.0.404)
結果
AC  
実行時間 132 ms / 2,000 ms
コード長 14,528 bytes
コンパイル時間 8,146 ms
コンパイル使用メモリ 170,200 KB
実行使用メモリ 41,900 KB
平均クエリ数 2.59
最終ジャッジ日時 2025-01-25 23:06:18
合計ジャッジ時間 12,435 ms
ジャッジサーバーID
(参考情報)
judge6 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 1
other AC * 21
権限があれば一括ダウンロードができます
コンパイルメッセージ
  復元対象のプロジェクトを決定しています...
  /home/judge/data/code/main.csproj を復元しました (111 ミリ秒)。
/home/judge/data/code/Main.cs(208,13): warning CS0162: 到達できないコードが検出されました [/home/judge/data/code/main.csproj]
  main -> /home/judge/data/code/bin/Release/net8.0/main.dll
  main -> /home/judge/data/code/bin/Release/net8.0/publish/

ソースコード

diff #

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using static System.Math;
using System.Text;
using System.Threading;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Library;

namespace Program
{
    public static class ProblemA
    {
        static bool SAIKI = false;
        static public int numberOfRandomCases = 0;
        static public void MakeTestCase(List<string> _input, List<string> _output, ref Func<string[], bool> _outputChecker)
        {
        }
        static public void Solve()
        {
            var H = NN;
            var W = NN;
            if(H==1&&W==1) {
                Console.WriteLine($"! 1 1");
                Console.Out.Flush();
                return;
            }
            Console.WriteLine($"? 1 1");
            Console.Out.Flush();
            var d = NN;
            var test = new bool[H, W];
            var ari = 0;
            for (var i = 0; i < H; ++i)
            {
                for (var j = 0; j < W; ++j)
                {
                    var len = i * i + j * j;
                    if (len == d)
                    {
                        test[i, j] = true;
                        ++ari;
                    }
                }
            }

            if (ari == 1)
            {
                for (var i = 0; i < H; ++i)
                {
                    for (var j = 0; j < W; ++j)
                    {
                        if (test[i, j])
                        {
                            Console.WriteLine($"! {i + 1} {j + 1}");
                            Console.Out.Flush();
                            return;
                        }
                    }
                }
            }

            Action<int, int> act = (h, w) =>
            {
                Console.WriteLine($"? {h + 1} {w + 1}");
                Console.Out.Flush();
                var d2 = NN;
                var ari2 = 0;
                var test2 = new bool[H, W];
                for (var i = 0; i < H; ++i)
                {
                    for (var j = 0; j < W; ++j)
                    {
                        var len = (i - h) * (i - h) + (j - w) * (j - w);
                        if (len == d2)
                        {
                            test2[i, j] = true;
                            if (test[i, j]) ++ari2;
                        }
                    }
                }

                if (ari2 == 1)
                {
                    for (var i = 0; i < H; ++i)
                    {
                        for (var j = 0; j < W; ++j)
                        {
                            if (test2[i, j] && test[i, j])
                            {
                                Console.WriteLine($"! {i + 1} {j + 1}");
                                Console.Out.Flush();
                                return;
                            }
                        }
                    }
                }


                Action<int, int> act2 = (h, w) =>
                {
                    Console.WriteLine($"? {h + 1} {w + 1}");
                    Console.Out.Flush();
                    var d3 = NN;
                    var ari3 = 0;
                    var test3 = new bool[H, W];
                    for (var i = 0; i < H; ++i)
                    {
                        for (var j = 0; j < W; ++j)
                        {
                            var len = (i - h) * (i - h) + (j - w) * (j - w);
                            if (len == d3)
                            {
                                test3[i, j] = true;
                                if (test[i, j] && test2[i, j])
                                {
                                    ++ari3;
                                }
                            }
                        }
                    }

                    if (ari3 == 1)
                    {
                        for (var i = 0; i < H; ++i)
                        {
                            for (var j = 0; j < W; ++j)
                            {
                                if (test[i, j] && test2[i, j] && test3[i, j])
                                {
                                    Console.WriteLine($"! {i + 1} {j + 1}");
                                    Console.Out.Flush();
                                    return;
                                }
                            }
                        }
                    }

                    Action<int, int> act3 = (h, w) =>
                    {
                        Console.WriteLine($"? {h + 1} {w + 1}");
                        Console.Out.Flush();
                        var d4 = NN;
                        var ari4 = 0;
                        var test4 = new bool[H, W];
                        for (var i = 0; i < H; ++i)
                        {
                            for (var j = 0; j < W; ++j)
                            {
                                var len = (i - h) * (i - h) + (j - w) * (j - w);
                                if (len == d4)
                                {
                                    test4[i, j] = true;
                                    if (test[i, j] && test2[i, j] && test3[i, j])
                                    {
                                        ++ari4;
                                    }
                                }
                            }
                        }

                        if (ari4 == 1)
                        {
                            for (var i = 0; i < H; ++i)
                            {
                                for (var j = 0; j < W; ++j)
                                {
                                    if (test[i, j] && test2[i, j] && test3[i, j] && test4[i, j])
                                    {
                                        Console.WriteLine($"! {i + 1} {j + 1}");
                                        Console.Out.Flush();
                                        return;
                                    }
                                }
                            }
                        }
                        throw new Exception();
                    };
                    for (var j2 = 0; j2 < H; ++j2)
                    {
                        for (var i2 = 0; i2 < W; ++i2)
                        {
                            if (test[j2, i2] && test2[j2, i2] && test3[j2, i2])
                            {
                                act3(j2, i2);
                                return;
                            }
                        }
                    }
                };

                for (var i2 = 0; i2 < W; ++i2)
                {
                    for (var j2 = 0; j2 < H; ++j2)
                    {
                        if (test[j2, i2] && test2[j2, i2])
                        {
                            act2(j2, i2);
                            return;
                        }
                    }
                }
            };
            act(1, 0);
            return;
            for (var i2 = 0; i2 < H; ++i2)
            {
                if (test[i2, 0])
                {
                    act(i2, 0);
                    return;
                }
                if (test[i2, W - 1])
                {
                    act(i2, (int)W - 1);
                    return;
                }
            }
            for (var i2 = 0; i2 < W; ++i2)
            {
                if (test[0, i2])
                {
                    act(0, i2);
                    return;
                }
                if (test[H - 1, i2])
                {
                    act((int)H - 1, i2);
                    return;
                }
            }
        }
        class Printer : StreamWriter
        {
            public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } }
            public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true)) { base.AutoFlush = false; }
            public Printer(Stream stream, Encoding encoding) : base(stream, encoding) { base.AutoFlush = false; }
        }
        static LIB_FastIO fastio = new LIB_FastIODebug();
        static string[] args;
        static public void Main(string[] args_t) { args = args_t; if (args_t.Length == 0) { fastio = new LIB_FastIO(); Console.SetOut(new Printer(Console.OpenStandardOutput())); } if (SAIKI) { var t = new Thread(Solve, 134217728); t.Start(); t.Join(); } else Solve(); Console.Out.Flush(); }
        static long NN => fastio.Long();
        static double ND => fastio.Double();
        static string NS => fastio.Scan();
        static long[] NNList(long N) => Repeat(0, N).Select(_ => NN).ToArray();
        static double[] NDList(long N) => Repeat(0, N).Select(_ => ND).ToArray();
        static string[] NSList(long N) => Repeat(0, N).Select(_ => NS).ToArray();
        static long Count<T>(this IEnumerable<T> x, Func<T, bool> pred) => Enumerable.Count(x, pred);
        static IEnumerable<T> Repeat<T>(T v, long n) => Enumerable.Repeat<T>(v, (int)n);
        static IEnumerable<int> Range(long s, long c) => Enumerable.Range((int)s, (int)c);
        static IOrderedEnumerable<T> OrderByRand<T>(this IEnumerable<T> x) => Enumerable.OrderBy(x, _ => xorshift);
        static IOrderedEnumerable<T> OrderBy<T>(this IEnumerable<T> x) => Enumerable.OrderBy(x.OrderByRand(), e => e);
        static IOrderedEnumerable<T1> OrderBy<T1, T2>(this IEnumerable<T1> x, Func<T1, T2> selector) => Enumerable.OrderBy(x.OrderByRand(), selector);
        static IOrderedEnumerable<T> OrderByDescending<T>(this IEnumerable<T> x) => Enumerable.OrderByDescending(x.OrderByRand(), e => e);
        static IOrderedEnumerable<T1> OrderByDescending<T1, T2>(this IEnumerable<T1> x, Func<T1, T2> selector) => Enumerable.OrderByDescending(x.OrderByRand(), selector);
        static IOrderedEnumerable<string> OrderBy(this IEnumerable<string> x) => x.OrderByRand().OrderBy(e => e, StringComparer.OrdinalIgnoreCase);
        static IOrderedEnumerable<T> OrderBy<T>(this IEnumerable<T> x, Func<T, string> selector) => x.OrderByRand().OrderBy(selector, StringComparer.OrdinalIgnoreCase);
        static IOrderedEnumerable<string> OrderByDescending(this IEnumerable<string> x) => x.OrderByRand().OrderByDescending(e => e, StringComparer.OrdinalIgnoreCase);
        static IOrderedEnumerable<T> OrderByDescending<T>(this IEnumerable<T> x, Func<T, string> selector) => x.OrderByRand().OrderByDescending(selector, StringComparer.OrdinalIgnoreCase);
        static string Join<T>(this IEnumerable<T> x, string separator = "") => string.Join(separator, x);
        static uint xorshift { get { _xsi.MoveNext(); return _xsi.Current; } }
        static IEnumerator<uint> _xsi = _xsc();
        static IEnumerator<uint> _xsc() { uint x = 123456789, y = 362436069, z = 521288629, w = (uint)(DateTime.Now.Ticks & 0xffffffff); while (true) { var t = x ^ (x << 11); x = y; y = z; z = w; w = (w ^ (w >> 19)) ^ (t ^ (t >> 8)); yield return w; } }
        static bool Chmax<T>(this ref T lhs, T rhs) where T : struct, IComparable<T> { if (lhs.CompareTo(rhs) < 0) { lhs = rhs; return true; } return false; }
        static bool Chmin<T>(this ref T lhs, T rhs) where T : struct, IComparable<T> { if (lhs.CompareTo(rhs) > 0) { lhs = rhs; return true; } return false; }
        static void Fill<T>(this T[] array, T value) => array.AsSpan().Fill(value);
        static void Fill<T>(this T[,] array, T value) => MemoryMarshal.CreateSpan(ref array[0, 0], array.Length).Fill(value);
        static void Fill<T>(this T[,,] array, T value) => MemoryMarshal.CreateSpan(ref array[0, 0, 0], array.Length).Fill(value);
        static void Fill<T>(this T[,,,] array, T value) => MemoryMarshal.CreateSpan(ref array[0, 0, 0, 0], array.Length).Fill(value);
    }
}
namespace Library {
    class LIB_FastIO
    {
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_FastIO() { str = Console.OpenStandardInput(); }
        readonly Stream str;
        readonly byte[] buf = new byte[2048];
        int len, ptr;
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        byte read()
        {
            if (ptr >= len)
            {
                ptr = 0;
                if ((len = str.Read(buf, 0, 2048)) <= 0)
                {
                    return 0;
                }
            }
            return buf[ptr++];
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        char Char()
        {
            byte b = 0;
            do b = read();
            while (b < 33 || 126 < b);
            return (char)b;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        virtual public string Scan()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
                sb.Append(b);
            return sb.ToString();
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        virtual public long Long()
        {
            long ret = 0; byte b = 0; var ng = false;
            do b = read();
            while (b != '-' && (b < '0' || '9' < b));
            if (b == '-') { ng = true; b = read(); }
            for (; true; b = read())
            {
                if (b < '0' || '9' < b)
                    return ng ? -ret : ret;
                else ret = (ret << 3) + (ret << 1) + b - '0';
            }
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        virtual public double Double() { return double.Parse(Scan(), CultureInfo.InvariantCulture); }
    }
    class LIB_FastIODebug : LIB_FastIO
    {
        Queue<string> param = new Queue<string>();
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        string NextString() { if (param.Count == 0) foreach (var item in Console.ReadLine().Split(' ')) param.Enqueue(item); return param.Dequeue(); }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_FastIODebug() { }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public override string Scan() => NextString();
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public override long Long() => long.Parse(NextString());
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public override double Double() => double.Parse(NextString());
    }
}
0