結果
問題 | No.430 文字列検索 |
ユーザー | sekiya9311 |
提出日時 | 2016-10-05 01:26:54 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 204 ms / 2,000 ms |
コード長 | 4,166 bytes |
コンパイル時間 | 1,394 ms |
コンパイル使用メモリ | 129,644 KB |
実行使用メモリ | 42,880 KB |
最終ジャッジ日時 | 2024-11-10 00:09:22 |
合計ジャッジ時間 | 3,205 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 40 ms
18,816 KB |
testcase_01 | AC | 204 ms
42,880 KB |
testcase_02 | AC | 67 ms
20,096 KB |
testcase_03 | AC | 67 ms
20,096 KB |
testcase_04 | AC | 40 ms
18,796 KB |
testcase_05 | AC | 40 ms
18,816 KB |
testcase_06 | AC | 41 ms
18,816 KB |
testcase_07 | AC | 40 ms
18,944 KB |
testcase_08 | AC | 197 ms
42,524 KB |
testcase_09 | AC | 39 ms
18,860 KB |
testcase_10 | AC | 50 ms
21,376 KB |
testcase_11 | AC | 104 ms
23,792 KB |
testcase_12 | AC | 105 ms
23,680 KB |
testcase_13 | AC | 105 ms
23,796 KB |
testcase_14 | AC | 95 ms
22,272 KB |
testcase_15 | AC | 86 ms
21,248 KB |
testcase_16 | AC | 70 ms
20,224 KB |
testcase_17 | AC | 70 ms
20,056 KB |
ソースコード
#include <iostream> #include <string> #include <queue> #include <stack> #include <algorithm> #include <list> #include <vector> #include <complex> #include <utility> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <climits> #include <bitset> #include <ctime> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <cassert> #include <cstddef> #include <iomanip> #include <numeric> #include <tuple> #include <sstream> #include <fstream> #include <random> #define REP(i, n) for (int (i) = 0; (i) < (n); (i)++) #define FOR(i, a, b) for (int (i) = (a); (i) < (b); (i)++) #define RREP(i, a) for(int (i) = (a)-1; (i) >= 0; (i)--) #define FORR(i, a, b) for(int (i) = (a)-1; (i) >= (b); (i)--) #define PI acos(-1.0) #define DEBUG(C) cerr << C << endl; #define VI vector <int> #define VII vector <VI> #define VL vector <LL> #define VLL vector <VL> #define VD vector <double> #define VDD vector <VD> #define PII pair <int, int> #define PDD pair <double, double> #define PLL pair <LL, LL> #define VPII vector <PII> #define ALL(a) (a).begin(), (a).end() #define SORT(a) sort(ALL(a)) #define REVERSE(a) reverse(ALL(a)) #define MP make_pair #define EB emplace_back #define FORE(a, b) for (auto &&a:b) #define FIND(s, n) (s.find(n) != s.end()) using namespace std; typedef long long LL; typedef unsigned long long ULL; const int INF = 1e9; const int MOD = INF + 7; const LL LLINF = 1e18; class RollingHash { private: const long long mods[2] = {(long long)(1e9 + 7), (long long)(1e9 + 9)}; vector <long long> hs[2], pm[2]; vector <long long> x; //基数 int len; string S; public: //文字列, 基数1, 基数2 RollingHash(const string& str, long long num1, long long num2) { x.resize(2); x[0] = num1; x[1] = num2; S = str; len = str.length(); for (int i = 0; i < 2; i++) { pm[i].resize(1000000); pm[i][0] = 1; for (int j = 0; j < (int)pm[i].size(); j++) { pm[i][j + 1] = (pm[i][j] * x[i]) % mods[i]; } } init(S); } void init(const string& str) { len = str.length(); for (int i = 0; i < 2; i++) { hs[i].resize(len + 5); hs[i][0] = 0; for (int j = 0; j < len; j++) { hs[i][j + 1] = ((hs[i][j] * x[i]) + str[j]) % mods[i]; } } } //strのハッシュ値生成 pair <long long, long long> makeHash(const string& str) { long long res[2]; int slen = str.length(); for (int i = 0; i < 2; i++) { res[i] = 0; for (int j = 0; j < slen; j++) { res[i] = ((res[i] * x[i]) + str[j]) % mods[i]; } } return make_pair(res[0], res[1]); } //S[l..r]のハッシュ値返す pair <long long, long long> getHash(int l, int r) { if (l > r) return make_pair(-1, -1); long long res[2]; while (pm[0].size() < r + 5) { for (int i = 0; i < 2; i++) { pm[i].emplace_back((pm[i].back() * x[i]) % mods[i]); } } for (int i = 0; i < 2; i++) { res[i] = (hs[i][r + 1] - (hs[i][l] * pm[i][r - l + 1] % mods[i]) + mods[i]) % mods[i]; } return make_pair(res[0], res[1]); } //Sのハッシュ配列返す vector <vector <long long>> getHashArray() { return vector <vector <long long>>{hs[0], hs[1]}; } vector <long long> getMod() { return vector <long long>{mods[0], mods[1]}; } vector <long long> getBaseNum() { return x; } }; int main(void) { string S; cin >> S; random_device rnd; RollingHash r(S, rnd() % MOD, rnd() % MOD); map<PLL, int> mp[10]; REP(i, 10) { if (S.length() <= i) continue; REP(j, (int)S.length() - i) mp[i][r.getHash(j, j + i)]++; } int M; cin >> M; int ans = 0; REP(i, M) { string s; cin >> s; if (s.length() > S.length()) continue; ans += mp[(int)s.length() - 1][r.makeHash(s)]; } cout << ans << endl; return 0; }