結果
| 問題 |
No.874 正規表現間距離
|
| コンテスト | |
| ユーザー |
QCFium
|
| 提出日時 | 2019-08-30 23:02:29 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 54 ms / 2,000 ms |
| コード長 | 1,413 bytes |
| コンパイル時間 | 1,654 ms |
| コンパイル使用メモリ | 174,164 KB |
| 実行使用メモリ | 18,944 KB |
| 最終ジャッジ日時 | 2024-11-22 02:30:37 |
| 合計ジャッジ時間 | 3,185 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 38 |
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/vector:64,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/queue:61,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:86,
from main.cpp:1:
In member function 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](size_type) [with _Tp = int; _Alloc = std::allocator<int>]',
inlined from 'int main()' at main.cpp:31:9:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_vector.h:1124:32: warning: '*(std::vector<int, std::allocator<int> >*)dp.std::vector<int>::<anonymous>.std::_Vector_base<int, std::allocator<int> >::_M_impl.std::_Vector_base<int, std::allocator<int> >::_Vector_impl::<anonymous>.std::_Vector_base<int, std::allocator<int> >::_Vector_impl_data::_M_start' may be used uninitialized [-Wmaybe-uninitialized]
1124 | return *(this->_M_impl._M_start + __n);
| ~~~~~~~~~~~~~~^~~~~~~~
ソースコード
#include <bits/stdc++.h>
int ri() {
int n;
assert(scanf("%d", &n) == 1);
return n;
}
struct D {
int c;
bool one_more;
bool more;
};
int main () {
std::string a_, b_;
std::cin >> a_ >> b_;
std::vector<D> a, b;
for (auto c : a_) {
if (c == '*') a.back().more = true;
else if (c == '?') a.back().one_more = true;
else a.push_back({c - 'a', false, false});
}
for (auto c : b_) {
if (c == '*') b.back().more = true;
else if (c == '?') b.back().one_more = true;
else b.push_back({c - 'a', false, false});
}
int n = a.size();
int m = b.size();
std::vector<int> dp[n + 1];
for (int i = 0; i <= n; i++) dp[i].resize(m + 1, 1000000000);
dp[0][0] = 0;
for (int i = 0; i <= n; i++) {
for (int j = 0; j <= m; j++) {
if (i < n && j < m) {
int a_add = !a[i].more;
int b_add = !b[j].more;
int cost = a[i].c != b[j].c;
dp[i + a_add][j + b_add] = std::min(dp[i + a_add][j + b_add], dp[i][j] + cost);
}
if (i < n) {
int cost = 1;
if (a[i].one_more || a[i].more) cost = 0;
else if (j < m && b[j].c == a[i].c && b[j].more) cost = 0;
dp[i + 1][j] = std::min(dp[i + 1][j], dp[i][j] + cost);
}
if (j < m) {
int cost = 1;
if (b[j].one_more || b[j].more) cost = 0;
else if (i < n && a[i].c == b[j].c && a[i].more) cost = 0;
dp[i][j + 1] = std::min(dp[i][j + 1], dp[i][j] + cost);
}
}
}
std::cout << dp[n][m] << std::endl;
return 0;
}
QCFium