結果

問題 No.230 Splarraay スプラレェーイ
ユーザー eitahoeitaho
提出日時 2015-06-19 23:14:50
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 1,769 ms / 5,000 ms
コード長 4,931 bytes
コンパイル時間 3,033 ms
コンパイル使用メモリ 107,348 KB
実行使用メモリ 32,816 KB
最終ジャッジ日時 2023-09-21 10:10:38
合計ジャッジ時間 11,399 ms
ジャッジサーバーID
(参考情報)
judge13 / judge11
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 59 ms
21,744 KB
testcase_01 AC 60 ms
21,724 KB
testcase_02 AC 60 ms
19,604 KB
testcase_03 AC 59 ms
23,708 KB
testcase_04 AC 59 ms
23,676 KB
testcase_05 AC 61 ms
23,652 KB
testcase_06 AC 73 ms
23,696 KB
testcase_07 AC 62 ms
21,652 KB
testcase_08 AC 65 ms
19,608 KB
testcase_09 AC 226 ms
26,004 KB
testcase_10 AC 223 ms
30,516 KB
testcase_11 AC 135 ms
26,604 KB
testcase_12 AC 234 ms
28,056 KB
testcase_13 AC 78 ms
23,644 KB
testcase_14 AC 1,769 ms
32,572 KB
testcase_15 AC 1,259 ms
32,816 KB
testcase_16 AC 1,021 ms
32,416 KB
testcase_17 AC 565 ms
32,356 KB
testcase_18 AC 1,138 ms
32,548 KB
testcase_19 AC 278 ms
29,996 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.IO;
using System.Linq;
using System.Text;
using System.Collections.Generic;
using System.Diagnostics;
using System.Numerics;
using Enu = System.Linq.Enumerable;

class Program
{
    public void Solve()
    {
        int N = Reader.Int(), Q = Reader.Int();
        var Qs = Reader.IntTable(Q);
        long[] A = new long[N / BitW + 1];
        long[] B = new long[N / BitW + 1];
        long scoreA = 0, scoreB = 0;

        foreach (var q in Qs)
        {
            if (q[0] == 0)
            {
                long countA = Count(A, q[1], q[2]);
                long countB = Count(B, q[1], q[2]);
                if (countA > countB) scoreA += countA;
                if (countB > countA) scoreB += countB;
            }
            else if (q[0] == 1)
            {
                RangeOr(A, q[1], q[2]);
                RangeClear(B, q[1], q[2]);
                //Console.WriteLine("A:" + Count(A, 0, N - 1) + " B:" + Count(B, 0, N - 1));
            }
            else
            {
                RangeOr(B, q[1], q[2]);
                RangeClear(A, q[1], q[2]);
                //Console.WriteLine("A:" + Count(A, 0, N - 1) + " B:" + Count(B, 0, N - 1));
            }
        }
        scoreA += Count(A, 0, N - 1);
        scoreB += Count(B, 0, N - 1);

        Console.WriteLine(scoreA + " " + scoreB);
        Console.ReadLine();
    }

    static readonly int BitW = 64;

    void RangeOr(long[] A, int from, int to)
    {
        int fromI = from / BitW;
        int toI = to / BitW;

        for (int i = 0; i < BitW; i++)
            if (fromI * BitW + i >= from && fromI * BitW + i <= to)
                A[fromI] |= 1L << i;
        for (int i = fromI + 1; i < toI; i++)
            A[i] |= -1L;
        for (int i = 0; i < BitW; i++)
            if (toI * BitW + i >= from && toI * BitW + i <= to)
                A[toI] |= 1L << i;
    }

    void RangeClear(long[] A, int from, int to)
    {
        int fromI = from / BitW;
        int toI = to / BitW;

        for (int i = 0; i < BitW; i++)
            if (fromI * BitW + i >= from && fromI * BitW + i <= to)
                A[fromI] &= ~(1L << i);
        for (int i = fromI + 1; i < toI; i++)
            A[i] = 0;
        for (int i = 0; i < BitW; i++)
            if (toI * BitW + i >= from && toI * BitW + i <= to)
                A[toI] &= ~(1L << i);
    }

    long Count(long[] A, int from, int to)
    {
        int fromI = from / BitW;
        int toI = to / BitW;
        long count = 0;
        for (int i = 0; i < BitW; i++)
            if (fromI * BitW + i >= from && fromI * BitW + i <= to)
                count += A[fromI] >> i & 1;
        for (int i = fromI + 1; i < toI; i++)
            count += BitCount64(A[i]);
        if (toI != fromI)
            for (int i = 0; i < BitW; i++)
                if (toI * BitW + i >= from && toI * BitW + i <= to)
                    count += A[toI] >> i & 1;
        return count;
    }

    static int BitCount64(long x)
    {
        x -= x >> 1 & 0x5555555555555555;
        x = (x & 0x3333333333333333) + (x >> 2 & 0x3333333333333333);
        return (int)((x + (x >> 4) & 0x0f0f0f0f0f0f0f0f) * 0x0101010101010101 >> 56);
    }
}


class Entry { static void Main() { new Program().Solve(); } }
class Reader
{
    private static TextReader reader = Console.In;
    private static readonly char[] separator = { ' ' };
    private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries;
    private static string[] A = new string[0];
    private static int i;
    private static void Init() { A = new string[0]; }
    public static void Set(TextReader r) { reader = r; Init(); }
    public static void Set(string file) { reader = new StreamReader(file); Init(); }
    public static bool HasNext() { return CheckNext(); }
    public static string String() { return Next(); }
    public static int Int() { return int.Parse(Next()); }
    public static long Long() { return long.Parse(Next()); }
    public static double Double() { return double.Parse(Next()); }
    public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); }
    public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); }
    public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); }
    public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); }
    public static string Line() { return reader.ReadLine().Trim(); }
    private static string[] Split(string s) { return s.Split(separator, op); }
    private static string Next() { CheckNext(); return A[i++]; }
    private static bool CheckNext()
    {
        if (i < A.Length) return true;
        string line = reader.ReadLine();
        if (line == null) return false;
        if (line == "") return CheckNext();
        A = Split(line);
        i = 0;
        return true;
    }
}
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