結果
| 問題 |
No.2964 Obstruction Bingo
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-11-26 17:55:39 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 391 ms / 2,468 ms |
| コード長 | 3,938 bytes |
| コンパイル時間 | 4,653 ms |
| コンパイル使用メモリ | 264,600 KB |
| 最終ジャッジ日時 | 2025-02-25 06:19:42 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 49 |
ソースコード
#include <bits/stdc++.h>
#include <atcoder/all>
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define SELECTER(_1,_2,_3,SELECT,...) SELECT
#define rep1(i,n) for(int i=0;i<int(n);++i)
#define rep2(i,a,n) for(int i=int(a);i<int(n);++i)
#define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__)
#define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT
#define rrep1(i,n) for(int i=(int)(n)-1;i>=0;--i)
#define rrep2(i,a,n) for(int i=(int)(n)-1;i>=(int)a;--i)
#define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define fi first
#define se second
#define PrintR LogOutput
#ifdef _DEBUG
#define Log(...) LogOutput(__VA_ARGS__)
#else
#define Log(...)
#endif
#define M_PI 3.14159265358979323846
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
using pii=pair<int,int>;
using pll=pair<long long,long long>;
using pdd=pair<long double,long double>;
using tp=tuple<int,int,int>;
using tpll=tuple<ll,ll,ll>;
using veci=vector<int>;
using vecpii=vector<pair<int,int>>;
using vecll=vector<long long>;
using vecpll=vector<pair<long long,long long>>;
using vecpdd=vector<pair<long double,long double>>;
using vecs=vector<string>;
using vecb=vector<bool>;
using vecd=vector<long double>;
using vectp=vector<tp>;
using vectpll=vector<tpll>;
using mint=modint998244353;
using mint10=modint1000000007;
template<typename T, typename S>
istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;}
template<typename T, typename S>
ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;}
ostream& operator<<(ostream& out, const mint& a){return out << a.val();}
ostream& operator<<(ostream& out, const mint10& a){return out << a.val();}
ostream& operator<<(ostream& out, const modint& a){return out << a.val();}
template<typename T>
ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;}
template<typename T, typename S>
pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};}
template<typename T, typename S>
pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};}
template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;}
template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;}
bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;}
bool PrintA(int i){cout<<(i ? "Yes" : "No")<<endl;return i;}
constexpr ll INF=numeric_limits<ll>::max() >> 2;
constexpr int inf=numeric_limits<int>::max() >> 1;
constexpr ll MOD=998244353;
const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0};
template<typename... Args>
void LogOutput(Args&&... args){
stringstream ss;
((ss << args << ' '), ...);
cout << ss.str().substr(0, ss.str().length() - 1) << endl;
}
template<typename T>
void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);}
int main(){
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int l, k;cin>>l>>k;
string s, t;cin>>s>>t;
veci a(26);
rep(i, 26) cin>>a[i];
rep(i, 1, 26) a[i] += a[i - 1];
vector<mint> d(26);
rep(i, 26) d[i] = mint(a[i] - (i ? a[i - 1] : 0)) / a.back();
vector dp(k + 1, vector(l + 1, vector<mint>(2 * l + 1)));
dp[0][0][l] = 1;
mint ans = 0, ans2 = 0;
rep(i, k){
rep(j, l) rep(k, 1, 2 * l) rep(c, 26){
int tj = (j + (k - l) + l) % l;
mint val = dp[i][j][k] * d[c];
if(c == s[j] - 'a' && c == t[tj] - 'a') dp[i + 1][(j + 1) % l][k] += val;
else if(c == s[j] - 'a') dp[i + 1][(j + 1) % l][k - 1] += val;
else if(c == t[tj] - 'a') dp[i + 1][j][k + 1] += val;
else dp[i + 1][j][k] += val;
}
rep(j, l) ans += dp[i + 1][j][0], ans2 += dp[i + 1][j][2 * l];
}
PrintR(ans, ans2);
}