結果

問題 No.340 雪の足跡
ユーザー りあんりあん
提出日時 2016-02-08 15:25:18
言語 C#(csc)
(csc 3.9.0)
結果
TLE  
実行時間 -
コード長 7,462 bytes
コンパイル時間 1,090 ms
コンパイル使用メモリ 109,952 KB
実行使用メモリ 161,488 KB
最終ジャッジ日時 2024-09-21 21:47:37
合計ジャッジ時間 17,692 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
(要ログイン)

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 29 ms
19,072 KB
testcase_01 AC 29 ms
18,816 KB
testcase_02 AC 29 ms
19,072 KB
testcase_03 AC 29 ms
19,072 KB
testcase_04 AC 30 ms
19,200 KB
testcase_05 AC 29 ms
18,816 KB
testcase_06 AC 29 ms
18,816 KB
testcase_07 AC 29 ms
18,944 KB
testcase_08 AC 29 ms
18,816 KB
testcase_09 AC 30 ms
19,072 KB
testcase_10 AC 29 ms
18,944 KB
testcase_11 AC 36 ms
19,968 KB
testcase_12 AC 35 ms
20,096 KB
testcase_13 AC 38 ms
20,352 KB
testcase_14 AC 80 ms
30,464 KB
testcase_15 AC 89 ms
30,848 KB
testcase_16 AC 66 ms
26,112 KB
testcase_17 AC 102 ms
32,128 KB
testcase_18 AC 92 ms
32,000 KB
testcase_19 AC 102 ms
32,128 KB
testcase_20 AC 814 ms
155,608 KB
testcase_21 AC 330 ms
42,056 KB
testcase_22 AC 335 ms
120,960 KB
testcase_23 AC 863 ms
160,772 KB
testcase_24 AC 743 ms
155,620 KB
testcase_25 AC 887 ms
161,040 KB
testcase_26 AC 106 ms
33,536 KB
testcase_27 AC 45 ms
22,144 KB
testcase_28 AC 106 ms
34,304 KB
testcase_29 AC 914 ms
103,148 KB
testcase_30 AC 592 ms
80,000 KB
testcase_31 TLE -
testcase_32 TLE -
testcase_33 TLE -
testcase_34 TLE -
testcase_35 TLE -
testcase_36 TLE -
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
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

diff #

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.IO.Compression;
using System.Text;

namespace Solver
{
    class Program
    {
        const int M = 1000000007;
        const double eps = 1e-9;
        static int[] dd = { 0, 1, 0, -1, 0 };
        static void Main()
        {
            var sw = new System.IO.StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
            var sc = new Scan();
            int w, h, n;
            sc.Multi(out w, out h, out n);
            var l = new bool[w * h][];
            var dist = new int[w * h];
            var th = new int[w * h][];
            for (int i = 0; i < w * h; i++)
            {
                l[i] = new bool[4];
                th[i] = new int[2];
                dist[i] = M;
            }
            for (int i = 0; i < n; i++)
            {
                int m = sc.Int;
                var b = sc.IntArr;
                for (int j = 0; j < m; j++)
                {
                    var sm = b[j] > b[j + 1] ? b[j + 1] : b[j];
                    var la = b[j] > b[j + 1] ? b[j] : b[j + 1];
                    if (la - sm >= w)
                    {
                        ++th[sm][0];
                        --th[la][0];
                    }
                    else
                    {
                        ++th[sm][1];
                        --th[la][1];
                    }
                }
            }
            for (int i = 0; i < w; ++i)
            {
                int sum = 0;
                for (int j = i; j < w * h; j += w)
                {
                    sum += th[j][0];
                    if (sum > 0)
                    {
                        l[j][0] = true;
                        l[j + w][2] = true;
                    }
                }
            }
            for (int i = 0; i < w * h; i += w)
            {
                int sum = 0;
                for (int j = i; j < w + i; ++j)
                {
                    sum += th[j][1];
                    if (sum > 0)
                    {
                        l[j][1] = true;
                        l[j + 1][3] = true;
                    }
                }
            }
            var q = new Queue<int>();
            dist[0] = 0;
            q.Enqueue(0);
            while (q.Any())
            {
                var p = q.Dequeue();
                if (p == w * h - 1)
                {
                    break;
                }
                if (l[p][0] && dist[p + w] > dist[p] + 1)
                {
                    dist[p + w] = dist[p] + 1;
                    q.Enqueue(p + w);
                }
                if (l[p][1] && dist[p + 1] > dist[p] + 1)
                {
                    dist[p + 1] = dist[p] + 1;
                    q.Enqueue(p + 1);
                }
                if (l[p][2] && dist[p - w] > dist[p] + 1)
                {
                    dist[p - w] = dist[p] + 1;
                    q.Enqueue(p - w);
                }
                if (l[p][3] && dist[p - 1] > dist[p] + 1)
                {
                    dist[p - 1] = dist[p] + 1;
                    q.Enqueue(p - 1);
                }
            }
            if (dist[w * h - 1] >= M)
                sw.WriteLine("Odekakedekinai..");
            else
                sw.WriteLine(dist[w * h - 1]);
                
            sw.Flush();
        }
 
        static void swap<T>(ref T a, ref T b)
        {
            var t = a;
            a = b;
            b = t;
        }
 
        static bool isprime(long n)
        {
            if (n == 1) return false;
 
            for (long i = 2; i * i <= n; i++)
                if (n % i == 0)
                    return false;
 
            return true;
        }
 
        static string strsort(string s)
        {
            var c = s.ToCharArray();
            Array.Sort(c);
            return string.Join("", c);
        }
        static string strswap(string s, int i, int j)
        {
            var c = s.ToCharArray();
            c[i] = s[j];
            c[j] = s[i];
            return string.Join("", c);
        }
 
        static T[] copy<T>(T[] a)
        {
            var ret = new T[a.Length];
            for (int i = 0; i < a.Length; i++) ret[i] = a[i];
            return ret;
        }
    }
    class Scan
    {
        public int Int { get { return int.Parse(Console.ReadLine().Trim()); } }
        public long Long { get { return long.Parse(Console.ReadLine().Trim()); } }
        public string Str { get { return Console.ReadLine().Trim(); } }
        public int[] IntArr { get { return Console.ReadLine().Trim().Split().Select(int.Parse).ToArray(); } }
        public int[] IntArrWithSep(char sep) { return Console.ReadLine().Trim().Split(sep).Select(int.Parse).ToArray(); }
        public long[] LongArr { get { return Console.ReadLine().Trim().Split().Select(long.Parse).ToArray(); } }
        public double[] DoubleArr { get { return Console.ReadLine().Split().Select(double.Parse).ToArray(); } }
        public string[] StrArr { get { return Console.ReadLine().Trim().Split(); } }
        public List<int> IntList { get { return Console.ReadLine().Trim().Split().Select(int.Parse).ToList(); } }
        public List<long> LongList { get { return Console.ReadLine().Trim().Split().Select(long.Parse).ToList(); } }
        public void Multi(out int a, out int b) { var arr = IntArr; a = arr[0]; b = arr[1]; }
        public void Multi(out int a, out int b, out int c) { var arr = IntArr; a = arr[0]; b = arr[1]; c = arr[2]; }
        public void Multi(out int a, out int b, out int c, out int d) { var arr = IntArr; a = arr[0]; b = arr[1]; c = arr[2]; d = arr[3]; }
        public void Multi(out int a, out string b) { var arr = StrArr; a = int.Parse(arr[0]); b = arr[1]; }
        public void Multi(out int a, out int b, out string c) { var arr = StrArr; a = int.Parse(arr[0]); b = int.Parse(arr[1]); c = arr[2]; }
        public void Multi(out int a, out char b) { var arr = StrArr; a = int.Parse(arr[0]); b = arr[1][0]; }
        public void Multi(out char a, out int b) { var arr = StrArr; a = arr[0][0]; b = int.Parse(arr[1]); }
        public void Multi(out long a, out long b) { var arr = LongArr; a = arr[0]; b = arr[1]; }
        public void Multi(out long a, out int b) { var arr = LongArr; a = arr[0]; b = (int)arr[1]; }
        public void Multi(out int a, out long b) { var arr = LongArr; a = (int)arr[0]; b = arr[1]; }
        public void Multi(out string a, out string b) { var arr = StrArr; a = arr[0]; b = arr[1]; }
    }
    class mymath
    {
        public bool isprime(long a)
        {
            if (a < 2) return false;
            for (long i = 2; i * i <= a; i++)
                if (a % i == 0)
                    return false;
 
            return true;
        }
        public long powmod(long a, long b, long M)
        {
            if (a == 0) return 0;
            if (b == 0) return 1;
            if (b == 1) return a % M;
 
            var t = powmod(a, b / 2, M);
 
            if ((b & 1) == 0) return t * t % M;
            else return t * t % M * a % M;
        }
        public long gcd(long a, long b)
        {
            while (b != 0)
            {
                var t = a % b;
                a = b;
                b = t;
            }
            return a;
        }
        public long lcm(int a, int b) { return a * (long)b / gcd(a, b); }
    }
}
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