#1001094 (C++23) No.2837 Flip Triomino

• 問題: No.2837 Flip Triomino
• ユーザー: だれ
• 提出日時: 2024-08-09 23:05:45
• 言語: C++23 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 11 ms / 2,000 ms
• コード長: 8,906 bytes
• コンパイル時間: 3,860 ms
• コンパイル使用メモリ: 236,080 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-08-09 23:05:51
• 合計ジャッジ時間: 5,207 ms
• ジャッジサーバーID （参考情報）: judge5 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	8 ms; 6,816 KB
testcase_01	AC	8 ms; 6,816 KB
testcase_02	AC	8 ms; 6,940 KB
testcase_03	AC	8 ms; 6,940 KB
testcase_04	AC	8 ms; 6,940 KB
testcase_05	AC	8 ms; 6,940 KB
testcase_06	AC	8 ms; 6,944 KB
testcase_07	AC	8 ms; 6,940 KB
testcase_08	AC	9 ms; 6,944 KB
testcase_09	AC	9 ms; 6,944 KB
testcase_10	AC	10 ms; 6,940 KB
testcase_11	AC	10 ms; 6,944 KB
testcase_12	AC	10 ms; 6,940 KB
testcase_13	AC	9 ms; 6,940 KB
testcase_14	AC	9 ms; 6,944 KB
testcase_15	AC	9 ms; 6,940 KB
testcase_16	AC	10 ms; 6,940 KB
testcase_17	AC	10 ms; 6,940 KB
testcase_18	AC	10 ms; 6,940 KB
testcase_19	AC	10 ms; 6,940 KB
testcase_20	AC	9 ms; 6,940 KB
testcase_21	AC	9 ms; 6,940 KB
testcase_22	AC	11 ms; 6,940 KB
testcase_23	AC	11 ms; 6,940 KB
testcase_24	AC	11 ms; 6,944 KB
testcase_25	AC	10 ms; 6,944 KB
testcase_26	AC	10 ms; 6,944 KB
testcase_27	AC	9 ms; 6,944 KB
testcase_28	AC	8 ms; 6,940 KB
testcase_29	AC	9 ms; 6,940 KB
testcase_30	AC	10 ms; 6,944 KB
testcase_31	AC	9 ms; 6,944 KB
testcase_32	AC	9 ms; 6,940 KB
testcase_33	AC	10 ms; 6,944 KB
testcase_34	AC	8 ms; 6,940 KB
testcase_35	AC	8 ms; 6,940 KB
testcase_36	AC	9 ms; 6,940 KB

ソースコード

#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <complex>
#include <cstdio>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <unordered_set>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
#endif
#define GET_MACRO(_1, _2, _3, NAME, ...) NAME
#define _rep(i, n) _rep2(i, 0, n)
#define _rep2(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
#define rep(...) GET_MACRO(__VA_ARGS__, _rep2, _rep)(__VA_ARGS__)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define UNIQUE(x)                      \
    std::sort((x).begin(), (x).end()); \
    (x).erase(std::unique((x).begin(), (x).end()), (x).end())
using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned int;
using i32 = int;
using ld = long double;
using f64 = double;
template <class T, class U>
bool chmin(T& a, const U& b) {
    return (b < a) ? (a = b, true) : false;
}
template <class T, class U>
bool chmax(T& a, const U& b) {
    return (b > a) ? (a = b, true) : false;
}
template <class T = std::string, class U = std::string>
inline void YesNo(bool f = 0, const T yes = "Yes", const U no = "No") {
    if (f)
        std::cout << yes << "\n";
    else
        std::cout << no << "\n";
}
namespace io {

template <class T, class U>
istream& operator>>(istream& i, pair<T, U>& p) {
    i >> p.first >> p.second;
    return i;
}

template <class T, class U>
ostream& operator<<(ostream& o, pair<T, U>& p) {
    o << p.first << " " << p.second;
    return o;
}

template <typename T>
istream& operator>>(istream& i, vector<T>& v) {
    rep(j, v.size()) i >> v[j];
    return i;
}
template <typename T>
string join(vector<T>& v) {
    stringstream s;
    rep(i, v.size()) s << ' ' << v[i];
    return s.str().substr(1);
}
template <typename T>
ostream& operator<<(ostream& o, vector<T>& v) {
    if (v.size()) o << join(v);
    return o;
}
template <typename T>
string join(vector<vector<T>>& vv) {
    string s = "\n";
    rep(i, vv.size()) s += join(vv[i]) + "\n";
    return s;
}
template <typename T>
ostream& operator<<(ostream& o, vector<vector<T>>& vv) {
    if (vv.size()) o << join(vv);
    return o;
}

void OUT() { std::cout << "\n"; }

template <class Head, class... Tail>
void OUT(Head&& head, Tail&&... tail) {
    std::cout << head;
    if (sizeof...(tail)) std::cout << ' ';
    OUT(std::forward<Tail>(tail)...);
}

void OUTL() { std::cout << std::endl; }

template <class Head, class... Tail>
void OUTL(Head&& head, Tail&&... tail) {
    std::cout << head;
    if (sizeof...(tail)) std::cout << ' ';
    OUTL(std::forward<Tail>(tail)...);
}

void IN() {}

template <class Head, class... Tail>
void IN(Head&& head, Tail&&... tail) {
    cin >> head;
    IN(std::forward<Tail>(tail)...);
}

}  // namespace io
using namespace io;

namespace useful {
long long modpow(long long a, long long b, long long mod) {
    long long res = 1;
    while (b) {
        if (b & 1) res *= a, res %= mod;
        a *= a;
        a %= mod;
        b >>= 1;
    }
    return res;
}

bool is_pow2(long long x) { return x > 0 && (x & (x - 1)) == 0; }

template <class T>
void rearrange(vector<T>& a, vector<int>& p) {
    vector<T> b = a;
    for (int i = 0; i < int(a.size()); i++) {
        a[i] = b[p[i]];
    }
    return;
}

template <class T>
vector<pair<T, int>> rle_sequence(vector<T>& a) {
    vector<pair<T, int>> res;
    int n = a.size();
    int l = 1;
    rep(i, n - 1) {
        if (a[i] == a[i + 1])
            l++;
        else {
            res.emplace_back(a[i], l);
            l = 1;
        }
    }
    res.emplace_back(a.back(), l);
    return res;
}

vector<pair<char, int>> rle_string(string a) {
    vector<pair<char, int>> res;
    int n = a.size();
    if (n == 1) return vector<pair<char, int>>{{a[0], 1}};
    int l = 1;
    rep(i, n - 1) {
        if (a[i] == a[i + 1])
            l++;
        else {
            res.emplace_back(a[i], l);
            l = 1;
        }
    }
    res.emplace_back(a.back(), l);
    return res;
}

vector<int> linear_sieve(int n) {
    vector<int> primes;
    vector<int> res(n + 1);
    iota(all(res), 0);
    for (int i = 2; i <= n; i++) {
        if (res[i] == i) primes.emplace_back(i);
        for (auto j : primes) {
            if (j * i > n) break;
            res[j * i] = j;
        }
    }
    return res;
    // return primes;
}

template <class T>
vector<long long> dijkstra(vector<vector<pair<int, T>>>& graph, int start) {
    int n = graph.size();
    vector<long long> res(n, 2e18);
    res[start] = 0;
    priority_queue<pair<long long, int>, vector<pair<long long, int>>,
                   greater<pair<long long, int>>>
        que;
    que.push({0, start});
    while (!que.empty()) {
        auto [c, v] = que.top();
        que.pop();
        if (res[v] < c) continue;
        for (auto [nxt, cost] : graph[v]) {
            auto x = c + cost;
            if (x < res[nxt]) {
                res[nxt] = x;
                que.push({x, nxt});
            }
        }
    }
    return res;
}

}  // namespace useful
using namespace useful;

template <class T, T l, T r>
struct RandomIntGenerator {
    std::random_device seed;
    std::mt19937_64 engine;
    std::uniform_int_distribution<T> uid;

    RandomIntGenerator() {
        engine = std::mt19937_64(seed());
        uid = std::uniform_int_distribution<T>(l, r);
    }

    T gen() { return uid(engine); }
};

template <int mod>
struct ModInt {
    int x;

    ModInt() : x(0) {}

    ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}

    ModInt& operator+=(const ModInt& p) {
        if ((x += p.x) >= mod) x -= mod;
        return *this;
    }

    ModInt& operator-=(const ModInt& p) {
        if ((x += mod - p.x) >= mod) x -= mod;
        return *this;
    }

    ModInt& operator*=(const ModInt& p) {
        x = (int)(1LL * x * p.x % mod);
        return *this;
    }

    ModInt& operator/=(const ModInt& p) {
        *this *= p.inverse();
        return *this;
    }

    ModInt operator-() const { return ModInt(-x); }
    ModInt operator+() const { return ModInt(*this); }

    ModInt operator+(const ModInt& p) const { return ModInt(*this) += p; }

    ModInt operator-(const ModInt& p) const { return ModInt(*this) -= p; }

    ModInt operator*(const ModInt& p) const { return ModInt(*this) *= p; }

    ModInt operator/(const ModInt& p) const { return ModInt(*this) /= p; }

    bool operator==(const ModInt& p) const { return x == p.x; }

    bool operator!=(const ModInt& p) const { return x != p.x; }

    ModInt inverse() const {
        int a = x, b = mod, u = 1, v = 0, t;
        while (b > 0) {
            t = a / b;
            swap(a -= t * b, b);
            swap(u -= t * v, v);
        }
        return ModInt(u);
    }

    ModInt pow(int64_t n) const {
        ModInt ret(1), mul(x);
        while (n > 0) {
            if (n & 1) ret *= mul;
            mul *= mul;
            n >>= 1;
        }
        return ret;
    }

    friend ostream& operator<<(ostream& os, const ModInt& p) {
        return os << p.x;
    }

    friend istream& operator>>(istream& is, ModInt& a) {
        int64_t t;
        is >> t;
        a = ModInt<mod>(t);
        return (is);
    }

    int get() const { return x; }

    static constexpr int get_mod() { return mod; }
};

using mint = ModInt<998244353>;

vector<mint> fact_calc(int x) {
    vector<mint> res(x + 1);
    res[0] = 1;
    for (int i = 0; i < x; i++) {
        res[i + 1] = res[i] * (i + 1);
    }
    return res;
}

vector<mint> ifact_calc(int x) {
    vector<mint> res(x + 1);
    mint t = 1;
    for (int i = 1; i <= x; i++) {
        t *= i;
    }
    res[x] = t.inverse();
    // res[x] = t.inv();
    for (int i = x; i > 0; i--) {
        res[i - 1] = res[i] * i;
    }
    return res;
}

auto fact = fact_calc(300005);
auto ifact = ifact_calc(300005);

mint comb(int x, int y) {
    if (x < 0 || y < 0 || x - y < 0) return 0;
    return fact[x] * ifact[y] * ifact[x - y];
}

mint perm(int x, int y) {
    if (x < 0 || x - y < 0) return 0;
    return fact[x] * ifact[x - y];
}

int main() {
    std::cout << fixed << setprecision(15);
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int h, w;
    IN(h, w);
    vector<string> s(h);
    IN(s);
    vector<int> b(3), c(3);
    rep(i, h) rep(j, w) {
        if (s[i][j] == 'B') b[(i + j) % 3]++;
        if (s[i][j] == '?') c[(i + j) % 3]++;
    }
    mint even = 1, odd = 1;
    rep(i, 3) {
        mint ei = 0, oi = 0;
        rep(j, c[i] + 1) {
            if ((j + b[i]) & 1)
                oi += comb(c[i], j);
            else
                ei += comb(c[i], j);
        }
        even *= ei;
        odd *= oi;
    }
    OUT(even + odd);
}