結果
| 問題 |
No.2783 4-33 Easy
|
| コンテスト | |
| ユーザー |
 iiljj
|
| 提出日時 | 2024-06-14 22:24:47 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 109 ms / 2,000 ms |
| コード長 | 15,684 bytes |
| コンパイル時間 | 2,780 ms |
| コンパイル使用メモリ | 188,768 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-06-14 22:24:55 |
| 合計ジャッジ時間 | 5,545 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge4 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
ソースコード
/* #region Head */
// #include <bits/stdc++.h>
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert> // assert.h
#include <cmath> // math.h
#include <cstring>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pll = pair<ll, ll>;
template <class T> using vc = vector<T>;
template <class T> using vvc = vc<vc<T>>;
using vll = vc<ll>;
using vvll = vvc<ll>;
using vld = vc<ld>;
using vvld = vvc<ld>;
using vs = vc<string>;
using vvs = vvc<string>;
template <class T, class U> using um = unordered_map<T, U>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqa = priority_queue<T, vc<T>, greater<T>>;
template <class T> using us = unordered_set<T>;
#define TREP(T, i, m, n) for (T i = (m), i##_len = (T)(n); i < i##_len; ++(i))
#define TREPM(T, i, m, n) for (T i = (m), i##_max = (T)(n); i <= i##_max; ++(i))
#define TREPR(T, i, m, n) for (T i = (m), i##_min = (T)(n); i >= i##_min; --(i))
#define TREPD(T, i, m, n, d) for (T i = (m), i##_len = (T)(n); i < i##_len; i += (d))
#define TREPMD(T, i, m, n, d) for (T i = (m), i##_max = (T)(n); i <= i##_max; i += (d))
#define REP(i, m, n) for (ll i = (m), i##_len = (ll)(n); i < i##_len; ++(i))
#define REPM(i, m, n) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; ++(i))
#define REPR(i, m, n) for (ll i = (m), i##_min = (ll)(n); i >= i##_min; --(i))
#define REPD(i, m, n, d) for (ll i = (m), i##_len = (ll)(n); i < i##_len; i += (d))
#define REPMD(i, m, n, d) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; i += (d))
#define REPI(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++)
#define REPIR(itr, ds) for (auto itr = ds.rbegin(); itr != ds.rend(); itr++)
#define ALL(x) begin(x), end(x)
#define SIZE(x) ((ll)(x).size())
#define ISIZE(x) ((int)(x).size())
#define PERM(c) \
sort(ALL(c)); \
for (bool c##p = 1; c##p; c##p = next_permutation(ALL(c)))
#define UNIQ(v) v.erase(unique(ALL(v)), v.end());
#define CEIL(a, b) (((a) + (b)-1) / (b))
#define endl '\n'
constexpr ll INF = 1'010'000'000'000'000'017LL;
constexpr int IINF = 1'000'000'007LL;
// constexpr ll MOD = 1'000'000'007LL; // 1e9 + 7
constexpr ll MOD = 998244353;
constexpr ld EPS = 1e-12;
constexpr ld PI = 3.14159265358979323846;
// 前方宣言
template <typename T> istream &operator>>(istream &is, vc<T> &vec);
template <typename T> ostream &operator<<(ostream &os, const vc<T> &vec);
template <typename T> ostream &operator>>(ostream &os, const vc<T> &vec);
template <typename T, size_t _Nm> istream &operator>>(istream &is, array<T, _Nm> &arr);
template <typename T, size_t _Nm> ostream &operator<<(ostream &os, const array<T, _Nm> &arr);
template <typename T, size_t _Nm> ostream &operator>>(ostream &os, const array<T, _Nm> &arr);
template <typename T, typename U> istream &operator>>(istream &is, pair<T, U> &pair_var);
template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &pair_var);
template <class T> ostream &out_iter(ostream &os, const T &map_var);
template <typename T, typename U> ostream &operator<<(ostream &os, const map<T, U> &map_var);
template <typename T, typename U> ostream &operator<<(ostream &os, const um<T, U> &map_var);
template <typename T> ostream &operator<<(ostream &os, const set<T> &set_var);
template <typename T> ostream &operator<<(ostream &os, const us<T> &set_var);
template <typename T> ostream &operator<<(ostream &os, const pq<T> &pq_var);
template <typename T> ostream &operator<<(ostream &os, const queue<T> &queue_var);
template <typename T> ostream &operator<<(ostream &os, const stack<T> &stk_var);
template <typename T> istream &operator>>(istream &is, vc<T> &vec) { // vector 入力
for (T &x : vec)
is >> x;
return is;
}
template <typename T> ostream &operator<<(ostream &os, const vc<T> &vec) { // vector 出力 (for dump)
os << "{";
REP(i, 0, SIZE(vec)) os << vec[i] << (i == i_len - 1 ? "" : ", ");
os << "}";
return os;
}
template <typename T> ostream &operator>>(ostream &os, const vc<T> &vec) { // vector 出力 (inline)
REP(i, 0, SIZE(vec)) os << vec[i] << (i == i_len - 1 ? "\n" : " ");
return os;
}
template <typename T, size_t _Nm> istream &operator>>(istream &is, array<T, _Nm> &arr) { // array 入力
REP(i, 0, SIZE(arr)) is >> arr[i];
return is;
}
template <typename T, size_t _Nm> ostream &operator<<(ostream &os, const array<T, _Nm> &arr) { // array 出力 (for dump)
os << "{";
REP(i, 0, SIZE(arr)) os << arr[i] << (i == i_len - 1 ? "" : ", ");
os << "}";
return os;
}
template <typename T, typename U> istream &operator>>(istream &is, pair<T, U> &pair_var) { // pair 入力
is >> pair_var.first >> pair_var.second;
return is;
}
template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &pair_var) { // pair 出力
os << "(" << pair_var.first << ", " << pair_var.second << ")";
return os;
}
// map, um, set, us 出力
template <class T> ostream &out_iter(ostream &os, const T &map_var) {
os << "{";
REPI(itr, map_var) {
os << *itr;
auto itrcp = itr;
if (++itrcp != map_var.end()) os << ", ";
}
return os << "}";
}
template <typename T, typename U> ostream &operator<<(ostream &os, const map<T, U> &map_var) {
return out_iter(os, map_var);
}
template <typename T, typename U> ostream &operator<<(ostream &os, const um<T, U> &map_var) {
os << "{";
REPI(itr, map_var) {
auto [key, value] = *itr;
os << "(" << key << ", " << value << ")";
auto itrcp = itr;
if (++itrcp != map_var.end()) os << ", ";
}
os << "}";
return os;
}
template <typename T> ostream &operator<<(ostream &os, const set<T> &set_var) { return out_iter(os, set_var); }
template <typename T> ostream &operator<<(ostream &os, const us<T> &set_var) { return out_iter(os, set_var); }
template <typename T> ostream &operator<<(ostream &os, const pq<T> &pq_var) {
pq<T> pq_cp(pq_var);
os << "{";
if (!pq_cp.empty()) {
os << pq_cp.top(), pq_cp.pop();
while (!pq_cp.empty())
os << ", " << pq_cp.top(), pq_cp.pop();
}
return os << "}";
}
// tuple 出力
template <size_t N = 0, bool end_line = false, typename... Args> ostream &operator<<(ostream &os, tuple<Args...> &a) {
if constexpr (N < std::tuple_size_v<tuple<Args...>>) {
os << get<N>(a);
if constexpr (N + 1 < std::tuple_size_v<tuple<Args...>>) {
os << ' ';
} else if constexpr (end_line) {
os << '\n';
}
return operator<< <N + 1, end_line>(os, a);
}
return os;
}
template <typename... Args> void print_tuple(tuple<Args...> &a) { operator<< <0, true>(std::cout, a); }
void pprint() { std::cout << endl; }
template <class Head, class... Tail> void pprint(Head &&head, Tail &&...tail) {
std::cout << head;
if (sizeof...(Tail) > 0) std::cout << ' ';
pprint(move(tail)...);
}
// dump
#define DUMPOUT cerr
void dump_func() { DUMPOUT << endl; }
template <class Head, class... Tail> void dump_func(Head &&head, Tail &&...tail) {
DUMPOUT << head;
if (sizeof...(Tail) > 0) DUMPOUT << ", ";
dump_func(move(tail)...);
}
// chmax (更新「される」かもしれない値が前)
template <typename T, typename U, typename Comp = less<>> bool chmax(T &xmax, const U &x, Comp comp = {}) {
if (comp(xmax, x)) {
xmax = x;
return true;
}
return false;
}
// chmin (更新「される」かもしれない値が前)
template <typename T, typename U, typename Comp = less<>> bool chmin(T &xmin, const U &x, Comp comp = {}) {
if (comp(x, xmin)) {
xmin = x;
return true;
}
return false;
}
// ローカル用
#ifndef ONLINE_JUDGE
#define DEBUG_
#endif
#ifndef MYLOCAL
#undef DEBUG_
#endif
#ifdef DEBUG_
#define DEB
#define dump(...) \
DUMPOUT << " " << string(#__VA_ARGS__) << ": " \
<< "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]" << endl \
<< " ", \
dump_func(__VA_ARGS__)
#else
#define DEB if (false)
#define dump(...)
#endif
#define VAR(type, ...) \
type __VA_ARGS__; \
assert((std::cin >> __VA_ARGS__));
template <typename T> istream &operator,(istream &is, T &rhs) { return is >> rhs; }
template <typename T> ostream &operator,(ostream &os, const T &rhs) { return os << ' ' << rhs; }
struct AtCoderInitialize {
static constexpr int IOS_PREC = 15;
static constexpr bool AUTOFLUSH = false;
AtCoderInitialize() {
ios_base::sync_with_stdio(false), std::cin.tie(nullptr), std::cout.tie(nullptr);
std::cout << fixed << setprecision(IOS_PREC);
if (AUTOFLUSH) std::cout << unitbuf;
}
} ATCODER_INITIALIZE;
void Yn(bool p) { std::cout << (p ? "Yes" : "No") << endl; }
void YN(bool p) { std::cout << (p ? "YES" : "NO") << endl; }
template <typename T> constexpr void operator--(vc<T> &v, int) noexcept {
for (int i = 0; i < ISIZE(v); ++i)
v[i]--;
}
template <typename T> constexpr void operator++(vc<T> &v, int) noexcept {
for (int i = 0; i < ISIZE(v); ++i)
v[i]++;
}
/* #endregion */
// #include <atcoder/all>
// using namespace atcoder;
/* #region mint */
// 自動で MOD を取る整数
struct mint {
ll x;
constexpr mint(ll x = 0) : x((x % MOD + MOD) % MOD) {}
constexpr mint &operator+=(const mint &a) {
if ((x += a.x) >= MOD) x -= MOD;
return *this;
}
constexpr mint &operator-=(const mint &a) {
if ((x += MOD - a.x) >= MOD) x -= MOD;
return *this;
}
constexpr mint &operator*=(const mint &a) {
(x *= a.x) %= MOD;
return *this;
}
constexpr mint operator+(const mint &a) const {
mint res(*this);
return res += a;
}
constexpr mint operator-(const mint &a) const {
mint res(*this);
return res -= a;
}
constexpr mint operator*(const mint &a) const {
mint res(*this);
return res *= a;
}
// O(log(t))
constexpr mint pow_rec(ll t) const {
if (!t) return 1;
mint a = pow(t >> 1); // ⌊t/2⌋ 乗
a *= a; // ⌊t/2⌋*2 乗
if (t & 1) // ⌊t/2⌋*2 == t-1 のとき
a *= *this; // ⌊t/2⌋*2+1 乗 => t 乗
return a;
}
constexpr mint pow(ll t) const {
mint a(*this);
mint res = 1;
while (t) {
if (t & 1) res *= a;
t >>= 1, a *= a;
}
return res;
}
// for prime mod
constexpr mint inv_prime() const {
return pow(MOD - 2); // オイラーの定理から， x^(-1) ≡ x^(p-2)
}
constexpr mint inv() const {
ll a = this->x, b = MOD, u = 1, v = 0, t = 0;
mint res;
while (b) {
t = a / b;
a -= t * b;
swap(a, b);
u -= t * v;
swap(u, v);
}
if (u < 0) u += MOD;
res = u;
return res;
}
constexpr mint &operator/=(const mint &a) { return (*this) *= a.inv(); }
constexpr mint operator/(const mint &a) const {
mint res(*this);
return res /= a;
}
constexpr bool operator==(const mint &a) const { return this->x == a.x; }
constexpr bool operator==(const ll a) const { return this->x == a; }
constexpr bool operator!=(const mint &a) const { return this->x != a.x; }
constexpr bool operator!=(const ll a) const { return this->x != a; }
mint operator+() const { return *this; }
mint operator-() const { return *this * (-1); }
// mint 入力
friend istream &operator>>(istream &is, mint &x) {
is >> x.x;
return is;
}
// mint 出力
friend ostream &operator<<(ostream &os, const mint x) {
os << x.x;
return os;
}
};
/* #endregion */
// Problem
void solve() {
VAR(ll, n);
vll a(n);
vs b(n);
cin >> a, b;
vll b_value(n), b_with_x(n, 0);
REP(i, 0, n) {
if (b[i].back() == 'X') {
while (b[i].size() and b[i].back() == 'X') {
b[i].pop_back();
}
b_with_x[i] = 1;
}
if (b[i].size()) {
b_value[i] = stoll(b[i]);
}
}
// dump(b_value, b_with_x);
// // Xが入っているかどうかで2分割する
// dp[i][j][k][l][f] := i 番目まで見て，選んだカードが j 枚で，
// 上部の合計が k (4 以下), 下部の合計が l (33 以下) で，'X' を下部に含むカードを（選んだ=1, まだ=0）
// ときの場合の数
// i <= 2*10^3
// j <= 9
// k <= 4
// l <= 33
// f <= 1
// (2*10**3+1) * 10 * 5 * 34 * 2 = 6803400 = 6.8*10^6 なので，要素数的には OK．
// 遷移は1箇所につき，カードを選ぶ場合と選ばない場合の2通りなので，遷移数滴にはギリギリOK．
// [i] は省略して，都度 swap する．
vc<vc<vc<vc<mint>>>> dp(10, vc<vc<vc<mint>>>(5, vc<vc<mint>>(34, vc<mint>(2, 0))));
dp[0][0][0][0] = 1;
REP(i, 0, n) {
// 使えないカードを飛ばす
if (b_with_x[i] and b_value[i] > 0) {
// dump(i);
continue;
}
// カードを選ばない場合の遷移を兼ねてコピーする
vc<vc<vc<vc<mint>>>> dp2 = dp;
REP(j_from, 0, 9) { // 8 枚以下から遷移
const int j_dst = j_from + 1;
REPM(k_from, 0, 4) {
// カードの数字を足した場合どうなるか？
const ll k_dst = k_from + a[i];
if (k_dst > 4) continue;
REPM(l_from, 0, 33) {
const ll l_dst = l_from + b_value[i];
if (l_dst > 33) continue;
REP(f_from, 0, 2) {
const mint &val = dp[j_from][k_from][l_from][f_from];
if (val.x == 0) continue;
if (f_from == 1) {
// X が2つ以上になるのは駄目
if (b_with_x[i]) continue;
dp2[j_dst][k_dst][l_dst][1] += val;
} else {
dp2[j_dst][k_dst][l_dst][b_with_x[i]] += val;
}
}
}
}
}
swap(dp, dp2);
}
// dump(dp[9][4][33][0]);
// 条件を満たすところを足していく
const mint ans = dp[9][4][33][1];
pprint(ans);
}
// entry point
int main() {
solve();
return 0;
}