Submission #190453


Source Code Expand

using System;
using System.IO;
using System.Text;
using System.Linq;
using System.Collections.Generic;
using Enu = System.Linq.Enumerable;

class Program
{
    static readonly int[] dy = { 0, 0, -1, 1 };
    static readonly int[] dx = { -1, 1, 0, 0 };
    static readonly int Max = 50;

    void Solve()
    {
        int N = reader.Int(), Move = reader.Int();
        int X = Math.Abs(reader.Int()), Y = Math.Abs(reader.Int());

        if (X % Move != 0 || Y % Move != 0 || X / Move + Y / Move > N)
        {
            Console.WriteLine(0); return;
        }
        X /= Move; Y /= Move;
        if (X > Max || Y > Max)
        {
            Console.WriteLine(0); return;
        }

        var dp = new double[Max * 2 + 1, Max * 2 + 1];
        dp[0 + Max, 0 + Max] = 1;

        for (int i = 0; i < N; i++)
        {
            var nextdp = new double[Max * 2 + 1, Max * 2 + 1];
            for (int y = 1; y < Max * 2; y++)
                for (int x = 1; x < Max * 2; x++)
                    for (int d = 0; d < dy.Length; d++)
                    {
                        int ny = y + dy[d], nx = x + dx[d];
                        nextdp[ny, nx] += dp[y, x] * 0.25;
                    }
            dp = nextdp;
        }

        Console.WriteLine(dp[Y + Max, X + Max]);
        Console.ReadLine();
    }



    static void Main() { new Program().Solve(); }
    static Reader reader = new Reader(Console.In);

    class Reader
    {
        private readonly TextReader reader;
        private readonly char[] separator = new char[] { ' ' };
        private readonly StringSplitOptions removeOp = StringSplitOptions.RemoveEmptyEntries;
        private string[] A = new string[0];
        private int i;

        public Reader(TextReader r) { reader = r; }
        public bool HasNext() { return Enqueue(); }
        public string String() { return Dequeue(); }
        public int Int() { return int.Parse(Dequeue()); }
        public long Long() { return long.Parse(Dequeue()); }
        public double Double() { return double.Parse(Dequeue()); }
        public int[] IntLine() { var s = Line(); return s == "" ? new int[0] : Array.ConvertAll(Split(s), int.Parse); }
        public int[] IntArray(int N) { return Enumerable.Range(0, N).Select(i => Int()).ToArray(); }
        public int[][] IntGrid(int H) { return Enumerable.Range(0, H).Select(i => IntLine()).ToArray(); }
        public string[] StringArray(int N) { return Enumerable.Range(0, N).Select(i => Line()).ToArray(); }
        public string Line() { return reader.ReadLine().Trim(); }
        private string[] Split(string s) { return s.Split(separator, removeOp); }
        private bool Enqueue()
        {
            if (i < A.Length) return true;
            string line = reader.ReadLine();
            if (line == null) return false;
            if (line == "") return Enqueue();
            A = Split(line);
            i = 0;
            return true;
        }
        private string Dequeue() { Enqueue(); return A[i++]; }
    }

}

Submission Info

Submission Time
Task D - 大ジャンプ
User eitaho
Language C# (Mono 2.10.8.1)
Score 101
Code Size 3104 Byte
Status AC
Exec Time 640 ms
Memory 8208 KB

Judge Result

Set Name part1 part2 All
Score / Max Score 90 / 90 10 / 10 1 / 1
Status
AC × 23
AC × 36
AC × 68
Set Name Test Cases
part1 test_1_151403858_0_0AB.txt, test_1_1_0_1AB.txt, test_1_1_2_0AB.txt, test_1_200416616_-430405070_-79858930AB.txt, test_1_320861287_0_0AB.txt, test_1_445441131_0_0AB.txt, test_2_91743015_0_183486030AB.txt, test_3_165357536_496072608_0AB.txt, test_3_357154050_-106436394_768502001AB.txt, test_3_721501125_-568833455_353553641AB.txt, test_3_893846474_0_0AB.txt, test_4_291388018_-291388018_0AB.txt, test_5_318547875_955643625_-637095750AB.txt, test_5_704387671_-704387671_0AB.txt, test_5_82323965_639854915_-688317394AB.txt, test_6_187422602_374845204_-374845204AB.txt, test_6_346164451_0_0AB.txt, test_6_99058019_194123640_-837769837AB.txt, test_7_166330212_166330212_-332660424AB.txt, test_7_89698746_448493730_-179397492AB.txt, test_8_10000000_-40000000_-40000000AB.txt, test_8_10000000_0_80000000AB.txt, test_8_10000000_80000000_0AB.txt
part2 test_10_227248639_454497278_0B.txt, test_11_692637325_-181424149_-938839075B.txt, test_13_260236679_-780710037_-520473358B.txt, test_13_269280357_807841071_269280357B.txt, test_13_96859935_0_-581159610B.txt, test_16_40374395_-40374395_-565241530B.txt, test_1_151403858_0_0AB.txt, test_1_1_0_1AB.txt, test_1_1_2_0AB.txt, test_1_200416616_-430405070_-79858930AB.txt, test_1_320861287_0_0AB.txt, test_1_445441131_0_0AB.txt, test_21_304856339_609712678_914569017B.txt, test_26_214390232_-857560928_428780464B.txt, test_2_91743015_0_183486030AB.txt, test_30_10000000_-300000000_0B.txt, test_30_10000000_0_300000000B.txt, test_30_10000000_150000000_-150000000B.txt, test_30_54228128_0_813421920B.txt, test_3_165357536_496072608_0AB.txt, test_3_357154050_-106436394_768502001AB.txt, test_3_721501125_-568833455_353553641AB.txt, test_3_893846474_0_0AB.txt, test_4_291388018_-291388018_0AB.txt, test_5_318547875_955643625_-637095750AB.txt, test_5_704387671_-704387671_0AB.txt, test_5_82323965_639854915_-688317394AB.txt, test_6_187422602_374845204_-374845204AB.txt, test_6_346164451_0_0AB.txt, test_6_99058019_194123640_-837769837AB.txt, test_7_166330212_166330212_-332660424AB.txt, test_7_89698746_448493730_-179397492AB.txt, test_8_10000000_-40000000_-40000000AB.txt, test_8_10000000_0_80000000AB.txt, test_8_10000000_80000000_0AB.txt, test_9_283198156_849594468_849594468B.txt
All test_1000_1000000_-500000000_500000000.txt, test_1000_1000000_0_-1000000000.txt, test_1000_1000000_1000000000_0.txt, test_1000_150305_97998860_-32315575.txt, test_1000_1_0_0.txt, test_1000_1_2_0.txt, test_1000_1_2_2.txt, test_1000_3308678_-800700076_-350719868.txt, test_1000_3608549_811923525_689232859.txt, test_1000_3728577_-145414503_-969430020.txt, test_1000_537976_11297496_224335992.txt, test_10_227248639_454497278_0B.txt, test_11_692637325_-181424149_-938839075B.txt, test_130_95365311_-667557177_-286095933.txt, test_131_18204705_-145637640_0.txt, test_13_260236679_-780710037_-520473358B.txt, test_13_269280357_807841071_269280357B.txt, test_13_96859935_0_-581159610B.txt, test_16_40374395_-40374395_-565241530B.txt, test_1_151403858_0_0AB.txt, test_1_1_0_1AB.txt, test_1_1_2_0AB.txt, test_1_200416616_-430405070_-79858930AB.txt, test_1_320861287_0_0AB.txt, test_1_445441131_0_0AB.txt, test_210_28974130_0_260767170.txt, test_217_321156_24407856_22480920.txt, test_21_304856339_609712678_914569017B.txt, test_26_214390232_-857560928_428780464B.txt, test_289_421462830_-487186374_-417635361.txt, test_2_91743015_0_183486030AB.txt, test_30_10000000_-300000000_0B.txt, test_30_10000000_0_300000000B.txt, test_30_10000000_150000000_-150000000B.txt, test_30_54228128_0_813421920B.txt, test_339_4475128_957677392_281933064.txt, test_3_165357536_496072608_0AB.txt, test_3_357154050_-106436394_768502001AB.txt, test_3_721501125_-568833455_353553641AB.txt, test_3_893846474_0_0AB.txt, test_480_402960_-131767920_-34654560.txt, test_4_291388018_-291388018_0AB.txt, test_507_3516183_-879045750_-253165176.txt, test_515_8606048_-25818144_8606048.txt, test_522_2286376_-230923976_-18291008.txt, test_5_318547875_955643625_-637095750AB.txt, test_5_704387671_-704387671_0AB.txt, test_5_82323965_639854915_-688317394AB.txt, test_676_198114948_0_792459792.txt, test_688_151937211_-286341114_10198771.txt, test_6_187422602_374845204_-374845204AB.txt, test_6_346164451_0_0AB.txt, test_6_99058019_194123640_-837769837AB.txt, test_71_367604060_367604060_0.txt, test_752_120973200_0_-725839200.txt, test_772_881340073_0_0.txt, test_777_125719576_-499451637_822057459.txt, test_7_166330212_166330212_-332660424AB.txt, test_7_89698746_448493730_-179397492AB.txt, test_839_166155061_0_-332310122.txt, test_839_923157_923157_564972084.txt, test_849_415705_290993500_0.txt, test_873_418406_2928842_322172620.txt, test_8_10000000_-40000000_-40000000AB.txt, test_8_10000000_0_80000000AB.txt, test_8_10000000_80000000_0AB.txt, test_981_159373724_-637494896_-159373724.txt, test_9_283198156_849594468_849594468B.txt
Case Name Status Exec Time Memory
sample_01.txt AC 135 ms 7996 KB
sample_02.txt AC 135 ms 7696 KB
sample_03.txt AC 141 ms 8152 KB
test_1000_1000000_-500000000_500000000.txt AC 132 ms 7708 KB
test_1000_1000000_0_-1000000000.txt AC 134 ms 7696 KB
test_1000_1000000_1000000000_0.txt AC 135 ms 7752 KB
test_1000_150305_97998860_-32315575.txt AC 139 ms 7688 KB
test_1000_1_0_0.txt AC 634 ms 8208 KB
test_1000_1_2_0.txt AC 639 ms 8132 KB
test_1000_1_2_2.txt AC 640 ms 8092 KB
test_1000_3308678_-800700076_-350719868.txt AC 133 ms 7780 KB
test_1000_3608549_811923525_689232859.txt AC 136 ms 7708 KB
test_1000_3728577_-145414503_-969430020.txt AC 131 ms 7692 KB
test_1000_537976_11297496_224335992.txt AC 135 ms 7800 KB
test_10_227248639_454497278_0B.txt AC 147 ms 8092 KB
test_11_692637325_-181424149_-938839075B.txt AC 132 ms 7704 KB
test_130_95365311_-667557177_-286095933.txt AC 201 ms 8088 KB
test_131_18204705_-145637640_0.txt AC 201 ms 8148 KB
test_13_260236679_-780710037_-520473358B.txt AC 142 ms 8096 KB
test_13_269280357_807841071_269280357B.txt AC 144 ms 8096 KB
test_13_96859935_0_-581159610B.txt AC 145 ms 8084 KB
test_16_40374395_-40374395_-565241530B.txt AC 147 ms 8088 KB
test_1_151403858_0_0AB.txt AC 137 ms 7960 KB
test_1_1_0_1AB.txt AC 136 ms 7952 KB
test_1_1_2_0AB.txt AC 137 ms 7692 KB
test_1_200416616_-430405070_-79858930AB.txt AC 135 ms 7688 KB
test_1_320861287_0_0AB.txt AC 136 ms 7900 KB
test_1_445441131_0_0AB.txt AC 136 ms 7948 KB
test_210_28974130_0_260767170.txt AC 239 ms 8144 KB
test_217_321156_24407856_22480920.txt AC 135 ms 7744 KB
test_21_304856339_609712678_914569017B.txt AC 147 ms 8144 KB
test_26_214390232_-857560928_428780464B.txt AC 149 ms 8128 KB
test_289_421462830_-487186374_-417635361.txt AC 133 ms 7816 KB
test_2_91743015_0_183486030AB.txt AC 135 ms 7968 KB
test_30_10000000_-300000000_0B.txt AC 150 ms 8088 KB
test_30_10000000_0_300000000B.txt AC 155 ms 8204 KB
test_30_10000000_150000000_-150000000B.txt AC 155 ms 8140 KB
test_30_54228128_0_813421920B.txt AC 153 ms 8124 KB
test_339_4475128_957677392_281933064.txt AC 135 ms 7752 KB
test_3_165357536_496072608_0AB.txt AC 137 ms 8092 KB
test_3_357154050_-106436394_768502001AB.txt AC 134 ms 7700 KB
test_3_721501125_-568833455_353553641AB.txt AC 136 ms 7744 KB
test_3_893846474_0_0AB.txt AC 134 ms 8096 KB
test_480_402960_-131767920_-34654560.txt AC 130 ms 7804 KB
test_4_291388018_-291388018_0AB.txt AC 135 ms 8084 KB
test_507_3516183_-879045750_-253165176.txt AC 133 ms 7692 KB
test_515_8606048_-25818144_8606048.txt AC 399 ms 8092 KB
test_522_2286376_-230923976_-18291008.txt AC 135 ms 7820 KB
test_5_318547875_955643625_-637095750AB.txt AC 138 ms 8148 KB
test_5_704387671_-704387671_0AB.txt AC 146 ms 8196 KB
test_5_82323965_639854915_-688317394AB.txt AC 133 ms 7760 KB
test_676_198114948_0_792459792.txt AC 482 ms 8088 KB
test_688_151937211_-286341114_10198771.txt AC 136 ms 7688 KB
test_6_187422602_374845204_-374845204AB.txt AC 141 ms 8096 KB
test_6_346164451_0_0AB.txt AC 139 ms 8140 KB
test_6_99058019_194123640_-837769837AB.txt AC 134 ms 7692 KB
test_71_367604060_367604060_0.txt AC 171 ms 8156 KB
test_752_120973200_0_-725839200.txt AC 510 ms 8204 KB
test_772_881340073_0_0.txt AC 535 ms 8152 KB
test_777_125719576_-499451637_822057459.txt AC 133 ms 7700 KB
test_7_166330212_166330212_-332660424AB.txt AC 139 ms 8092 KB
test_7_89698746_448493730_-179397492AB.txt AC 142 ms 8096 KB
test_839_166155061_0_-332310122.txt AC 559 ms 8108 KB
test_839_923157_923157_564972084.txt AC 137 ms 7736 KB
test_849_415705_290993500_0.txt AC 131 ms 7704 KB
test_873_418406_2928842_322172620.txt AC 132 ms 7760 KB
test_8_10000000_-40000000_-40000000AB.txt AC 142 ms 8088 KB
test_8_10000000_0_80000000AB.txt AC 140 ms 8084 KB
test_8_10000000_80000000_0AB.txt AC 143 ms 8084 KB
test_981_159373724_-637494896_-159373724.txt AC 632 ms 8148 KB
test_9_283198156_849594468_849594468B.txt AC 139 ms 8096 KB