結果

問題 No.1638 Robot Maze
ユーザー yupiteru_kunyupiteru_kun
提出日時 2021-08-06 23:15:23
言語 C#
(.NET 8.0.203)
結果
WA  
実行時間 -
コード長 17,257 bytes
コンパイル時間 8,767 ms
コンパイル使用メモリ 160,232 KB
実行使用メモリ 180,340 KB
最終ジャッジ日時 2023-10-17 04:52:11
合計ジャッジ時間 14,940 ms
ジャッジサーバーID
（参考情報） 		judge15 / judge13
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 78 ms
27,136 KB
testcase_01 AC 76 ms
27,136 KB
testcase_02 AC 76 ms
27,136 KB
testcase_03 AC 81 ms
28,384 KB
testcase_04 AC 76 ms
27,140 KB
testcase_05 AC 77 ms
27,124 KB
testcase_06 AC 76 ms
27,128 KB
testcase_07 AC 77 ms
27,124 KB
testcase_08 AC 78 ms
27,128 KB
testcase_09 AC 77 ms
27,124 KB
testcase_10 AC 76 ms
27,124 KB
testcase_11 AC 77 ms
27,128 KB
testcase_12 AC 77 ms
27,128 KB
testcase_13 AC 77 ms
27,124 KB
testcase_14 AC 80 ms
27,952 KB
testcase_15 AC 78 ms
27,644 KB
testcase_16 AC 78 ms
27,644 KB
testcase_17 AC 79 ms
27,644 KB
testcase_18 AC 77 ms
27,380 KB
testcase_19 AC 79 ms
27,768 KB
testcase_20 AC 79 ms
27,768 KB
testcase_21 AC 83 ms
29,672 KB
testcase_22 AC 78 ms
27,884 KB
testcase_23 AC 78 ms
27,884 KB
testcase_24 AC 83 ms
29,672 KB
testcase_25 AC 83 ms
29,672 KB
testcase_26 AC 78 ms
28,052 KB
testcase_27 WA -
testcase_28 WA -
testcase_29 AC 78 ms
28,024 KB
testcase_30 AC 76 ms
27,140 KB
testcase_31 AC 75 ms
27,140 KB
testcase_32 AC 81 ms
28,188 KB
testcase_33 AC 81 ms
28,112 KB
testcase_34 AC 80 ms
27,832 KB
testcase_35 AC 83 ms
28,108 KB
testcase_36 AC 82 ms
28,612 KB
testcase_37 AC 81 ms
28,160 KB
testcase_38 AC 81 ms
28,128 KB
testcase_39 AC 80 ms
28,008 KB
testcase_40 AC 81 ms
28,084 KB
testcase_41 AC 81 ms
28,088 KB
testcase_42 AC 81 ms
28,368 KB
testcase_43 AC 87 ms
29,504 KB
testcase_44 AC 86 ms
29,464 KB
testcase_45 AC 87 ms
29,472 KB
testcase_46 AC 86 ms
29,356 KB
testcase_47 AC 86 ms
29,556 KB
testcase_48 AC 82 ms
28,612 KB
testcase_49 AC 81 ms
28,228 KB
testcase_50 AC 80 ms
28,316 KB
testcase_51 AC 85 ms
180,340 KB
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 (110 ms)。
MSBuild のバージョン 17.7.3+8ec440e68 (.NET)
  main -> /home/judge/data/code/bin/Release/net7.0/main.dll
  main -> /home/judge/data/code/bin/Release/net7.0/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 ProblemC
    {
        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;
            var U = NN;
            var D = NN;
            var R = NN;
            var L = NN;
            var K = NN;
            var P = NN;
            var xs = NN - 1;
            var ys = NN - 1;
            var xt = NN - 1;
            var yt = NN - 1;
            var C = NSList(H).Select(e => e.ToArray()).ToArray();
            var nextStartPos = new HashSet<long>();
            nextStartPos.Add(xs * W + ys);
            var dist = Repeat(long.MaxValue >> 2, H * W).ToArray();
            dist[xs * W + ys] = 0;
            for (var i = 0; i <= 10001; ++i)
            {
                if (nextStartPos.Count == 0) break;
                var q = new LIB_PriorityQueue();
                foreach (var item in nextStartPos)
                {
                    var x = item / W;
                    var y = item % W;
                    C[x][(int)y] = '.';
                    if (i > 0)
                    {
                        dist[item] -= P *  (i - 1);
                        dist[item] += P * i ;
                    }
                    q.Push(dist[item], (int)item);
                }
                nextStartPos.Clear();
                while (q.Count > 0)
                {
                    var u = q.Pop();
                    if (dist[u.Item2] < u.Item1) continue;
                    Action<long, long, long> next = (nx, ny, addcost) =>
                    {
                        if (nx < 0 || nx >= H || ny < 0 || ny >= W) return;
                        if (C[nx][ny] == '#') return;
                        var alt = u.Item1 + addcost;
                        var v = nx * W + ny;
                        if (dist[v] > alt)
                        {
                            dist[v] = alt;
                            if (C[nx][ny] == '@')
                            {
                                nextStartPos.Add(nx * W + ny);
                            }
                            else
                            {
                                q.Push(alt, (int)v);
                            }
                        }
                    };
                    var x = u.Item2 / W;
                    var y = u.Item2 % W;
                    next(x, y + 1, R);
                    next(x, y - 1, L);
                    next(x - 1, y, U);
                    next(x + 1, y, D);
                }
                if (dist[xt * W + yt] <= K)
                {
                    Console.WriteLine("Yes");
                    return;
                }
            }
            Console.WriteLine("No");
        }
        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 public void Main(string[] args) { if (args.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_PriorityQueue
    {
        long[] heap;
        int[] dat;
        public (long Key, int Value) Peek => (heap[0], dat[0]);
        public long Count
        {
            get;
            private set;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue()
        {
            heap = new long[8];
            dat = new int[8];
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void Push(long key) => Push(key, 0);
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void Push(long key, int val)
        {
            if (Count == heap.Length) Expand();
            var i = (int)Count++;
            ref long heapref = ref heap[0];
            ref int datref = ref dat[0];
            Unsafe.Add<long>(ref heapref, i) = key;
            Unsafe.Add<int>(ref datref, i) = val;
            while (i > 0)
            {
                var ni = (i - 1) / 2;
                var heapni = Unsafe.Add<long>(ref heapref, ni);
                if (key >= heapni) break;
                Unsafe.Add<long>(ref heapref, i) = heapni;
                Unsafe.Add<int>(ref datref, i) = Unsafe.Add<int>(ref datref, ni);
                i = ni;
            }
            Unsafe.Add<long>(ref heapref, i) = key;
            Unsafe.Add<int>(ref datref, i) = val;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public (long Key, int Value) Pop()
        {
            ref long heapref = ref heap[0];
            ref int datref = ref dat[0];
            var ret = (heapref, datref);
            var cnt = (int)(--Count);
            var key = Unsafe.Add<long>(ref heapref, cnt);
            var val = Unsafe.Add<int>(ref datref, cnt);
            if (cnt == 0) return ret;
            var i = 0; while ((i << 1) + 1 < cnt)
            {
                var i1 = (i << 1) + 1;
                var i2 = (i << 1) + 2;
                if (i2 < cnt && Unsafe.Add<long>(ref heapref, i1) > Unsafe.Add<long>(ref heapref, i2)) i1 = i2;
                var heapi1 = Unsafe.Add<long>(ref heapref, i1);
                if (key <= heapi1) break;
                Unsafe.Add<long>(ref heapref, i) = heapi1;
                Unsafe.Add<int>(ref datref, i) = Unsafe.Add<int>(ref datref, i1);
                i = i1;
            }
            Unsafe.Add<long>(ref heapref, i) = key;
            Unsafe.Add<int>(ref datref, i) = val;
            return ret;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        void Expand()
        {
            var len = heap.Length;
            var tmp = new long[len << 1];
            var tmp2 = new int[len << 1];
            Unsafe.CopyBlock(ref Unsafe.As<long, byte>(ref tmp[0]), ref Unsafe.As<long, byte>(ref heap[0]), (uint)(8 * len));
            Unsafe.CopyBlock(ref Unsafe.As<int, byte>(ref tmp2[0]), ref Unsafe.As<int, byte>(ref dat[0]), (uint)(4 * len));
            heap = tmp;
            dat = tmp2;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public (long Key, int Value)[] NoSortList()
        {
            var ret = new (long Key, int Value)[Count];
            ref long heapref = ref heap[0];
            ref int datref = ref dat[0];
            for (var i = 0; i < Count; ++i)
            {
                ret[i] = (Unsafe.Add<long>(ref heapref, i), Unsafe.Add<int>(ref datref, i));
            }
            return ret;
        }
    }
    class LIB_PriorityQueue<T>
    {
        T[] heap;
        Comparison<T> comp;
        public T Peek => heap[0];
        public long Count
        {
            get;
            private set;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue(long cap, Comparison<T> cmp, bool asc = true)
        {
            heap = new T[cap];
            comp = asc ? cmp : (x, y) => cmp(y, x);
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue(Comparison<T> cmp, bool asc = true)
        {
            heap = new T[8];
            comp = asc ? cmp : (x, y) => cmp(y, x);
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue(long cap, bool asc = true) : this(cap, Comparer<T>.Default.Compare, asc) { }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue(bool asc = true) : this(Comparer<T>.Default.Compare, asc) { }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void Push(T val)
        {
            if (Count == heap.Length) Expand();
            var i = Count++;
            heap[i] = val;
            while (i > 0)
            {
                var ni = (i - 1) / 2;
                if (comp(val, heap[ni]) >= 0) break;
                heap[i] = heap[ni];
                i = ni;
            }
            heap[i] = val;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public T Pop()
        {
            var ret = heap[0];
            var val = heap[--Count];
            if (Count == 0) return ret;
            var i = 0; while ((i << 1) + 1 < Count)
            {
                var i1 = (i << 1) + 1;
                var i2 = (i << 1) + 2;
                if (i2 < Count && comp(heap[i1], heap[i2]) > 0) i1 = i2;
                if (comp(val, heap[i1]) <= 0) break;
                heap[i] = heap[i1]; i = i1;
            }
            heap[i] = val;
            return ret;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        void Expand()
        {
            var tmp = new T[Count << 1];
            for (var i = 0; i < heap.Length; ++i) tmp[i] = heap[i];
            heap = tmp;
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public T[] NoSortList()
        {
            var ret = new List<T>();
            for (var i = 0; i < Count; ++i)
            {
                ret.Add(heap[i]);
            }
            return ret.ToArray();
        }
    }
    class LIB_PriorityQueue<TK, TV>
    {
        LIB_PriorityQueue<KeyValuePair<TK, TV>> q;
        public KeyValuePair<TK, TV> Peek => q.Peek;
        public long Count => q.Count;
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue(long cap, Comparison<TK> cmp, bool asc = true)
        {
            q = new LIB_PriorityQueue<KeyValuePair<TK, TV>>(cap, (x, y) => cmp(x.Key, y.Key), asc);
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue(Comparison<TK> cmp, bool asc = true)
        {
            q = new LIB_PriorityQueue<KeyValuePair<TK, TV>>((x, y) => cmp(x.Key, y.Key), asc);
        }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue(long cap, bool asc = true) : this(cap, Comparer<TK>.Default.Compare, asc) { }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public LIB_PriorityQueue(bool asc = true) : this(Comparer<TK>.Default.Compare, asc) { }
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public void Push(TK k, TV v) => q.Push(new KeyValuePair<TK, TV>(k, v));
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public KeyValuePair<TK, TV> Pop() => q.Pop();
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public KeyValuePair<TK, TV>[] NoSortList() => q.NoSortList();
    }
    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());
    }
}
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