結果
| 問題 |
No.142 単なる配列の操作に関する実装問題
|
| コンテスト | |
| ユーザー |
eitaho
|
| 提出日時 | 2015-04-18 15:05:30 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 2,393 ms / 5,000 ms |
| コード長 | 4,456 bytes |
| コンパイル時間 | 2,510 ms |
| コンパイル使用メモリ | 120,796 KB |
| 実行使用メモリ | 41,984 KB |
| 最終ジャッジ日時 | 2024-07-04 16:24:13 |
| 合計ジャッジ時間 | 11,587 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 5 |
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
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;
using System.Collections;
using System.Runtime.CompilerServices;
class Program
{
public void Solve()
{
long N = Reader.Int(), S = Reader.Int();
long X = Reader.Int(), Y = Reader.Int(), Z = Reader.Int();
int Q = Reader.Int();
var table = Reader.IntTable(Q);
var A = new long[(N + BitW - 1) / BitW + 1];
var tmp = new long[(MaxRange + BitW - 1) / BitW + 1];
for (int i = 0; i < N; i++)
{
A[i / BitW] |= (S & 1) << (i & BitW - 1);
S = (S * X + Y) % Z;
}
foreach (var row in table)
{
int fromL = row[0] - 1, len = row[1] - fromL, toL = row[2] - 1;
RangeXor(A, A, fromL, toL, len);
}
var ans = new StringBuilder();
for (int i = 0; i < N; i++)
ans.Append((A[i / BitW] >> (i % BitW) & 1) == 1 ? 'O' : 'E');
Console.WriteLine(ans);
}
static readonly int BitW = 64;
static readonly int MaxRange = (int)2e5;
static long[] tmp = new long[MaxRange / BitW + 10];
static void RangeXor(long[] A, long[] B, int fromL, int toL, int len)
{
Func<int, long> GetMask = n => n == 64 ? -1L : (1L << n) - 1;
int fromR = fromL + len - 1;
int ai = fromL / BitW, aleft = fromL % BitW, alast = fromR / BitW;
int bleft = toL % BitW;
int firstAlen = Math.Min(len, BitW - aleft);
int firstBlen = Math.Min(len, BitW - bleft);
int firstLen = Math.Min(firstAlen, firstBlen);
int ti = 0;
tmp[ti] = (A[ai] >> aleft & GetMask(firstLen)) << bleft;
int LBshift = bleft + firstLen;
if (bleft + firstLen == BitW)
{
LBshift = firstAlen - firstBlen;
tmp[++ti] = A[ai] >> aleft + firstLen & GetMask(LBshift);
}
ai++;
long Lmask = GetMask(BitW - LBshift);
int RAshift = BitW - LBshift;
long Rmask = GetMask(LBshift);
for (; ai < alast; ai++)
{
tmp[ti] |= (A[ai] & Lmask) << LBshift;
tmp[++ti] = A[ai] >> RAshift & Rmask;
}
if (ai == alast)
{
int lastLen = fromR - ai * BitW + 1;
int Llen = Math.Min(lastLen, BitW - LBshift);
int Rlen = lastLen - Llen;
tmp[ti] |= (A[ai] & GetMask(Llen)) << LBshift;
if (Rlen > 0)
tmp[++ti] = A[ai] >> Llen & GetMask(Rlen);
}
for (int i = 0, bi = toL / BitW; i <= ti; i++, bi++)
B[bi] ^= tmp[i];
}
}
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;
}
}
eitaho