結果
| 問題 | No.430 文字列検索 |
| ユーザー |
 mnzn
|
| 提出日時 | 2020-04-13 16:04:55 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 99 ms / 2,000 ms |
| コード長 | 5,642 bytes |
| コンパイル時間 | 2,307 ms |
| コンパイル使用メモリ | 114,456 KB |
| 実行使用メモリ | 43,820 KB |
| 最終ジャッジ日時 | 2024-11-10 00:42:29 |
| 合計ジャッジ時間 | 2,700 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge3 |
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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 | 25 ms
18,048 KB |
| testcase_01 | AC | 99 ms
43,820 KB |
| testcase_02 | AC | 65 ms
20,096 KB |
| testcase_03 | AC | 62 ms
20,352 KB |
| testcase_04 | AC | 25 ms
18,048 KB |
| testcase_05 | AC | 24 ms
18,176 KB |
| testcase_06 | AC | 26 ms
18,048 KB |
| testcase_07 | AC | 25 ms
18,176 KB |
| testcase_08 | AC | 95 ms
42,136 KB |
| testcase_09 | AC | 26 ms
18,176 KB |
| testcase_10 | AC | 30 ms
20,608 KB |
| testcase_11 | AC | 76 ms
23,680 KB |
| testcase_12 | AC | 79 ms
23,936 KB |
| testcase_13 | AC | 77 ms
23,808 KB |
| testcase_14 | AC | 73 ms
21,888 KB |
| testcase_15 | AC | 72 ms
22,016 KB |
| testcase_16 | AC | 66 ms
20,352 KB |
| testcase_17 | AC | 69 ms
20,096 KB |
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.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Program
{
static void Main(string[] args)
{
var S = sc.ReadStr();
var M = sc.ReadInt();
var C = sc.ReadStrArray(M);
var count = new Dictionary<ulong, long>();
var rhs = new RollingHash(S);
for (int i = 0; i < S.Length; i++)
{
for (int d = 1; d <= 10; d++)
{
if (i + d > S.Length) break;
var hash = rhs.Get(i, i + d);
if (count.ContainsKey(hash)) count[hash]++;
else count[hash] = 1;
}
}
var ans = 0L;
foreach (var t in C)
{
var rht = new RollingHash(t);
var hash = rht.Get(0, t.Length);
if (count.ContainsKey(hash)) ans += count[hash];
}
Console.WriteLine(ans);
}
class RollingHash
{
public const ulong B = (ulong)1e9 + 7;
public string S { get; set; }
public int N { get; set; }
public ulong[] Power { get; set; }
public ulong[] Hash { get; set; }
public RollingHash(string s)
{
this.S = s;
this.N = s.Length;
// B^nを計算しておく
this.Power = new ulong[this.N + 1];
this.Power[0] = 1;
for (int i = 0; i < N; i++)
{
this.Power[i + 1] = this.Power[i] * B;
}
// ハッシュを前計算する
this.Hash = new ulong[this.N + 1];
for (int i = 0; i < N; i++)
{
this.Hash[i + 1] = this.Hash[i] * B + S[i];
}
}
// [l, r) のハッシュ値を求める
public ulong Get(int l, int r)
{
var hash = this.Hash[r] - (this.Hash[l] * this.Power[r - l]);
return hash;
}
}
static Scanner sc = new Scanner();
}
class Scanner
{
string[] S = new string[0];
int Index = 0;
char[] Separators = new char[] { ' ' };
public string Next()
{
if (this.Index < this.S.Length) return this.S[this.Index++];
var line = "";
while (line == "") line = Console.ReadLine();
this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries);
if (this.S.Length == 0) return this.Next();
this.Index = 0;
return this.S[this.Index++];
}
public string ReadStr()
{
return this.Next();
}
public char ReadChar()
{
return this.Next()[0];
}
public int ReadInt()
{
return int.Parse(this.Next());
}
public uint ReadUInt()
{
return uint.Parse(this.Next());
}
public long ReadLong()
{
return long.Parse(this.Next());
}
public double ReadDouble()
{
return double.Parse(this.Next());
}
public Tuple<int, int> ReadTup(int add = 0)
{
return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add);
}
public Tuple<long, long> ReadTupLong(int add = 0)
{
return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add);
}
public Tuple<int, int, int> ReadTup3(int add = 0)
{
return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
}
public Tuple<int, int, int, int> ReadTup4(int add = 0)
{
return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
}
public int[] ReadIntArray(int n)
{
var array = new int[n];
for (int i = 0; i < array.Length; i++)
{
array[i] = this.ReadInt();
}
return array;
}
public long[] ReadLongArray(int n)
{
var array = new long[n];
for (int i = 0; i < array.Length; i++)
{
array[i] = this.ReadLong();
}
return array;
}
public double[] ReadDoubleArray(int n)
{
var array = new double[n];
for (int i = 0; i < array.Length; i++)
{
array[i] = this.ReadDouble();
}
return array;
}
public char[] ReadCharArray(int n)
{
var array = new char[n];
for (int i = 0; i < array.Length; i++)
{
array[i] = this.ReadChar();
}
return array;
}
public string[] ReadStrArray(int n)
{
var array = new string[n];
for (int i = 0; i < array.Length; i++)
{
array[i] = this.ReadStr();
}
return array;
}
public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0)
{
var array = new Tuple<long, long>[n];
for (int i = 0; i < n; i++)
{
array[i] = this.ReadTupLong(add);
}
return array;
}
public Tuple<int, int>[] ReadTupArray(int n, int add = 0)
{
var array = new Tuple<int, int>[n];
for (int i = 0; i < n; i++)
{
array[i] = this.ReadTup(add);
}
return array;
}
public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0)
{
var array = new Tuple<int, int, int>[n];
for (int i = 0; i < n; i++)
{
array[i] = this.ReadTup3(add);
}
return array;
}
public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0)
{
var array = new Tuple<int, int, int, int>[n];
for (int i = 0; i < n; i++)
{
array[i] = this.ReadTup4(add);
}
return array;
}
}