結果
問題 | No.874 正規表現間距離 |
ユーザー |
![]() |
提出日時 | 2019-08-30 22:55:35 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 50 ms / 2,000 ms |
コード長 | 3,266 bytes |
コンパイル時間 | 2,344 ms |
コンパイル使用メモリ | 202,744 KB |
最終ジャッジ日時 | 2025-01-07 16:02:00 |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 38 |
ソースコード
#include <bits/stdc++.h>using namespace std;using int64 = long long;const int mod = 1e9 + 7;const int64 infll = (1LL << 62) - 1;const int inf = (1 << 30) - 1;struct IoSetup {IoSetup() {cin.tie(nullptr);ios::sync_with_stdio(false);cout << fixed << setprecision(10);cerr << fixed << setprecision(10);}} iosetup;template< typename T1, typename T2 >ostream &operator<<(ostream &os, const pair< T1, T2 > &p) {os << p.first << " " << p.second;return os;}template< typename T1, typename T2 >istream &operator>>(istream &is, pair< T1, T2 > &p) {is >> p.first >> p.second;return is;}template< typename T >ostream &operator<<(ostream &os, const vector< T > &v) {for(int i = 0; i < (int) v.size(); i++) {os << v[i] << (i + 1 != v.size() ? " " : "");}return os;}template< typename T >istream &operator>>(istream &is, vector< T > &v) {for(T &in : v) is >> in;return is;}template< typename T1, typename T2 >inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }template< typename T1, typename T2 >inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }template< typename T = int64 >vector< T > make_v(size_t a) {return vector< T >(a);}template< typename T, typename... Ts >auto make_v(size_t a, Ts... ts) {return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));}template< typename T, typename V >typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {t = v;}template< typename T, typename V >typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {for(auto &e : t) fill_v(e, v);}template< typename F >struct FixPoint : F {explicit FixPoint(F &&f) : F(forward< F >(f)) {}template< typename... Args >decltype(auto) operator()(Args &&... args) const {return F::operator()(*this, forward< Args >(args)...);}};template< typename F >inline decltype(auto) MFP(F &&f) {return FixPoint< F >{forward< F >(f)};}int main() {string A, B;cin >> A >> B;vector< pair< char, int > > latte, malta;for(auto &c : A) {if(c == '?') latte.back().second = 1;else if(c == '*') latte.back().second = 2;else latte.emplace_back(c, 0);}for(auto &c : B) {if(c == '?') malta.back().second = 1;else if(c == '*') malta.back().second = 2;else malta.emplace_back(c, 0);}auto dp = make_v< int >(latte.size() + 1, malta.size() + 1);fill_v(dp, inf);dp[0][0] = 0;for(int i = 0; i <= latte.size(); i++) {for(int j = 0; j <= malta.size(); j++) {if(i) {chmin(dp[i][j], dp[i - 1][j] + 1);if(latte[i - 1].second >= 1) chmin(dp[i][j], dp[i - 1][j]);}if(j) {chmin(dp[i][j], dp[i][j - 1] + 1);if(malta[j - 1].second >= 1) chmin(dp[i][j], dp[i][j - 1]);}if(i && j) {chmin(dp[i][j], dp[i - 1][j - 1] + (latte[i - 1].first != malta[j - 1].first));if(latte[i - 1].second >= 2) chmin(dp[i][j], dp[i][j - 1] + (latte[i - 1].first != malta[j - 1].first));if(malta[j - 1].second >= 2) chmin(dp[i][j], dp[i - 1][j] + (latte[i - 1].first != malta[j - 1].first));}}}cout << dp[latte.size()][malta.size()] << endl;}