結果

問題 No.911 ラッキーソート
ユーザー りあんりあん
提出日時 2019-10-18 23:16:03
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 205 ms / 2,000 ms
コード長 7,410 bytes
コンパイル時間 4,743 ms
コンパイル使用メモリ 117,676 KB
実行使用メモリ 54,524 KB
最終ジャッジ日時 2023-09-08 02:19:56
合計ジャッジ時間 12,314 ms
ジャッジサーバーID
(参考情報)
judge11 / judge15
このコードへのチャレンジ(β)

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 62 ms
21,804 KB
testcase_01 AC 62 ms
21,792 KB
testcase_02 AC 63 ms
21,796 KB
testcase_03 AC 63 ms
21,692 KB
testcase_04 AC 64 ms
21,820 KB
testcase_05 AC 63 ms
21,716 KB
testcase_06 AC 63 ms
19,756 KB
testcase_07 AC 63 ms
19,712 KB
testcase_08 AC 65 ms
21,780 KB
testcase_09 AC 62 ms
23,752 KB
testcase_10 AC 64 ms
23,864 KB
testcase_11 AC 62 ms
23,800 KB
testcase_12 AC 61 ms
19,760 KB
testcase_13 AC 192 ms
51,672 KB
testcase_14 AC 194 ms
54,144 KB
testcase_15 AC 205 ms
51,888 KB
testcase_16 AC 202 ms
54,524 KB
testcase_17 AC 205 ms
54,444 KB
testcase_18 AC 199 ms
52,300 KB
testcase_19 AC 201 ms
53,968 KB
testcase_20 AC 197 ms
51,692 KB
testcase_21 AC 196 ms
51,780 KB
testcase_22 AC 190 ms
49,252 KB
testcase_23 AC 186 ms
51,992 KB
testcase_24 AC 178 ms
49,516 KB
testcase_25 AC 132 ms
37,976 KB
testcase_26 AC 118 ms
37,736 KB
testcase_27 AC 91 ms
27,492 KB
testcase_28 AC 80 ms
23,400 KB
testcase_29 AC 72 ms
22,412 KB
testcase_30 AC 70 ms
23,932 KB
testcase_31 AC 64 ms
19,672 KB
testcase_32 AC 63 ms
21,700 KB
testcase_33 AC 65 ms
21,700 KB
testcase_34 AC 64 ms
19,784 KB
testcase_35 AC 62 ms
23,824 KB
testcase_36 AC 61 ms
21,784 KB
testcase_37 AC 61 ms
23,748 KB
testcase_38 AC 192 ms
54,360 KB
testcase_39 AC 189 ms
48,932 KB
testcase_40 AC 72 ms
20,492 KB
testcase_41 AC 197 ms
53,976 KB
testcase_42 AC 148 ms
40,032 KB
testcase_43 AC 195 ms
52,124 KB
testcase_44 AC 182 ms
53,852 KB
testcase_45 AC 185 ms
52,176 KB
testcase_46 AC 183 ms
52,100 KB
testcase_47 AC 183 ms
51,752 KB
testcase_48 AC 173 ms
47,236 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
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.Threading;
using System.Text;
using System.Diagnostics;
using static util;
using P = pair<int, int>;

class Program {
    static void Main(string[] args) {
        var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
        var solver = new Solver(sw);
        // var t = new Thread(solver.solve, 1 << 26); // 64 MB
        // t.Start();
        // t.Join();
        solver.solve();
        sw.Flush();
    }
}

class Solver {
    StreamWriter sw;
    Scan sc;
    void Prt(string a) => sw.WriteLine(a);
    void Prt<T>(IEnumerable<T> a) => Prt(string.Join(" ", a));
    void Prt(params object[] a) => Prt(string.Join(" ", a));
    public Solver(StreamWriter sw) {
        this.sw = sw;
        this.sc = new Scan();
    }

    public void solve() {
        int n;
        long l, r;
        sc.Multi(out n, out l, out r);
        var a = sc.LongArr;
        var c = new int[62];
        for (int i = 0; i < 62; i++)
        {
            c[i] = -1;
        }
        for (int i = 0; i < n - 1; i++)
        {
            for (int j = 61; j >= 0 ; j--)
            {
                if (((a[i] >> j) & 1) != ((a[i + 1] >> j) & 1)) {
                    int d = (int)((a[i] >> j) & 1);
                    if (c[j] != -1 && c[j] != d) {
                        Prt(0);
                        return;
                    }
                    c[j] = d;
                    break;
                }
            }
        }
        Prt(calc(c, r) - calc(c, l - 1));
    }
    long calc(int[] c, long r) {
        if (r < 0) return 0;
        var dp = new long[2];
        dp[1] = 1;
        for (int i = 61; i >= 0 ; i--)
        {
            var nex = new long[2];
            int d = (int)((r >> i) & 1);
            if (c[i] == -1 && d == 0) {
                nex[0] = dp[0] * 2;
                nex[1] = dp[1];
            }
            if (c[i] == -1 && d == 1) {
                nex[0] = dp[0] * 2 + dp[1];
                nex[1] = dp[1];
            }
            if (c[i] == 0 && d == 0) {
                nex[0] = dp[0];
                nex[1] = dp[1];
            }
            if (c[i] == 0 && d == 1) {
                nex[0] = dp[0] + dp[1];
            }
            if (c[i] == 1 && d == 0) {
                nex[0] = dp[0];
            }
            if (c[i] == 1 && d == 1) {
                nex[0] = dp[0];
                nex[1] = dp[1];
            }
            dp = nex;
        }
        return dp[0] + dp[1];
    }
}

class pair<T, U> : IComparable<pair<T, U>> {
    public T v1;
    public U v2;
    public pair() : this(default(T), default(U)) {}
    public pair(T v1, U v2) { this.v1 = v1; this.v2 = v2; }
    public int CompareTo(pair<T, U> a) {
        int c = Comparer<T>.Default.Compare(v1, a.v1);
        return c != 0 ? c : Comparer<U>.Default.Compare(v2, a.v2);
    }
    public override string ToString() => v1 + " " + v2;
    public void Deconstruct(out T a, out U b) { a = v1; b = v2; }
}
static class util {
    public static readonly int M = 1000000007;
    // public static readonly int M = 998244353;
    public static readonly long LM = 1L << 60;
    public static readonly double eps = 1e-11;
    public static void DBG(string a) => Console.Error.WriteLine(a);
    public static void DBG<T>(IEnumerable<T> a) => DBG(string.Join(" ", a));
    public static void DBG(params object[] a) => DBG(string.Join(" ", a));
    public static void Assert(bool cond) { if (!cond) throw new Exception(); }
    public static pair<T, U> make_pair<T, U>(T v1, U v2) => new pair<T, U>(v1, v2);
    public static int CompareList<T>(IList<T> a, IList<T> b) where T : IComparable<T> {
        for (int i = 0; i < a.Count && i < b.Count; i++)
            if (a[i].CompareTo(b[i]) != 0) return a[i].CompareTo(b[i]);
        return a.Count.CompareTo(b.Count);
    }
    public static bool inside(int i, int j, int h, int w) => i >= 0 && i < h && j >= 0 && j < w;
    static readonly int[] dd = { 0, 1, 0, -1 };
    // static readonly string dstring = "RDLU";
    public static P[] adjacents(int i, int j)
        => Enumerable.Range(0, dd.Length).Select(k => new P(i + dd[k], j + dd[k ^ 1])).ToArray();
    public static P[] adjacents(int i, int j, int h, int w)
        => Enumerable.Range(0, dd.Length).Select(k => new P(i + dd[k], j + dd[k ^ 1]))
                                         .Where(p => inside(p.v1, p.v2, h, w)).ToArray();
    public static P[] adjacents(this P p) => adjacents(p.v1, p.v2);
    public static P[] adjacents(this P p, int h, int w) => adjacents(p.v1, p.v2, h, w);
    public static Dictionary<T, int> compress<T>(this IEnumerable<T> a)
        => a.Distinct().OrderBy(v => v).Select((v, i) => new { v, i }).ToDictionary(p => p.v, p => p.i);
    public static Dictionary<T, int> compress<T>(params IEnumerable<T>[] a) => compress(a.Aggregate(Enumerable.Union));
    public static T[] inv<T>(this Dictionary<T, int> dic) {
        var res = new T[dic.Count];
        foreach (var item in dic) res[item.Value] = item.Key;
        return res;
    }
    public static void swap<T>(ref T a, ref T b) where T : struct { var t = a; a = b; b = t; }
    public static void swap<T>(this IList<T> a, int i, int j) where T : struct { var t = a[i]; a[i] = a[j]; a[j] = t; }
    public static T[] copy<T>(this IList<T> a) {
        var ret = new T[a.Count];
        for (int i = 0; i < a.Count; i++) ret[i] = a[i];
        return ret;
    }
}

class Scan {
    StreamReader sr;
    public Scan() { sr = new StreamReader(Console.OpenStandardInput()); }
    public Scan(string path) { sr = new StreamReader(path); }
    public int Int => int.Parse(Str);
    public long Long => long.Parse(Str);
    public double Double => double.Parse(Str);
    public string Str => sr.ReadLine().Trim();
    public pair<T, U> Pair<T, U>() {
        T a; U b;
        Multi(out a, out b);
        return new pair<T, U>(a, b);
    }
    public P P => Pair<int, int>();
    public int[] IntArr => StrArr.Select(int.Parse).ToArray();
    public long[] LongArr => StrArr.Select(long.Parse).ToArray();
    public double[] DoubleArr => StrArr.Select(double.Parse).ToArray();
    public string[] StrArr => Str.Split(new[]{' '}, StringSplitOptions.RemoveEmptyEntries);
    bool eq<T, U>() => typeof(T).Equals(typeof(U));
    T ct<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T));
    T cv<T>(string s) => eq<T, int>()    ? ct<T, int>(int.Parse(s))
                       : eq<T, long>()   ? ct<T, long>(long.Parse(s))
                       : eq<T, double>() ? ct<T, double>(double.Parse(s))
                       : eq<T, char>()   ? ct<T, char>(s[0])
                                         : ct<T, string>(s);
    public void Multi<T>(out T a) => a = cv<T>(Str);
    public void Multi<T, U>(out T a, out U b)
    { var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); }
    public void Multi<T, U, V>(out T a, out U b, out V c)
    { var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); }
    public void Multi<T, U, V, W>(out T a, out U b, out V c, out W d)
    { var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); }
    public void Multi<T, U, V, W, X>(out T a, out U b, out V c, out W d, out X e)
    { var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); e = cv<X>(ar[4]); }
}
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