結果
問題 | No.430 文字列検索 |
ユーザー |
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提出日時 | 2016-10-04 13:21:07 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,658 bytes |
コンパイル時間 | 1,012 ms |
コンパイル使用メモリ | 110,344 KB |
実行使用メモリ | 11,684 KB |
最終ジャッジ日時 | 2024-11-10 00:08:58 |
合計ジャッジ時間 | 4,346 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | -- * 4 |
other | AC * 1 TLE * 1 -- * 12 |
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>#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 LL mods[2] = {(LL)(1e9 + 7), (LL)(1e9 + 9)};vector <long long> hs[2], pow[2];vector <long long> x; //基数int len;string S;public://文字列, 基数1, 基数2RollingHash(const string& str, long long num1, long long num2) {x.resize(2);x[0] = num1; x[1] = num2;S = str;init(S);}void init(const string& str) {len = str.length();for (int i = 0; i < 2; i++) {hs[i].resize(len + 5);pow[i].resize(len + 5);pow[i][0] = 1;for (int j = 0; j < len; j++) {pow[i][j + 1] = (pow[i][j] * x[i]) % mods[i];}}for (int i = 0; i < 2; i++) {for (int j = 0; j < len; j++) {hs[i][j + 1] = (hs[i][j] + pow[i][j] * (long long)str[j]) % mods[i];}}}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] + pow[i][j] * (long long)str[j]) % mods[i];}}return make_pair(res[0], res[1]);}pair <vector <long long>, vector <long long>> getHash() {return make_pair(hs[0], hs[1]);}//引数の文字列と一致する場所//引数の文字列と一致する数int matchNum(const string& str) {auto p = makeHash(str);int res = 0;int slen = str.length();for (int i = slen; i < len + 1; i++) {LL hs1 = (hs[0][i] - hs[0][i - slen] + mods[0]) % mods[0];LL hs2 = (hs[1][i] - hs[1][i - slen] + mods[1]) % mods[1];res += (p == MP(hs1, hs2));p.first = p.first * x[0] % mods[0];p.second = p.second * x[1] % mods[1];}return res;}};int main(void) {string S;cin >> S;RollingHash r(S, 1234567, 8901234);int M; cin >> M;int ans = 0;REP(i, M) {string s;cin >> s;ans += r.matchNum(s);}cout << ans << endl;return 0;}