#line 1 "Verify/verify-yuki/117.test.cpp" #define PROBLEM "https://yukicoder.me/problems/no/117" #line 2 "Math/ModCombination.hpp" #include #include template struct ModCombination { std::vector fact = {1}, rev{1}; void resize(uint32_t sz) { sz++; if (fact.size() >= sz) return; uint32_t before = fact.size(); fact.resize(sz); rev.resize(sz); for (uint32_t i = before; i < sz; i++) { fact[i] = fact[i - 1] * i; rev[i] = rev[i - 1] / i; } } T comb(int32_t n, int32_t k) { if (n < 0 || k < 0 || n < k) return 0; resize(n); return fact[n] * rev[n - k] * rev[k]; } T perm(int32_t n, int32_t k) { if (n < 0 || k < 0 || n < k) return 0; resize(n); return fact[n] * rev[n - k]; } T multi_comb(int32_t n, int32_t k) { if (k == 0) return 1; return comb(n + k - 1, k); } }; #line 3 "Modint/Modint.hpp" #include template struct Modint { uint64_t x; constexpr Modint() noexcept { x = 0; } constexpr Modint(int64_t val) noexcept { x = (val < 0 ? val % (int64_t)(Mod) + Mod : val % Mod); } inline uint64_t _get_mod(uint64_t val) noexcept { const static uint64_t m_inv = (-1ULL) / Mod + 1; uint64_t ret = ((unsigned __int128)(val)*m_inv) >> 64; uint64_t pro = ret * Mod; return (val - pro + (val < pro ? Mod : 0)); } friend std::ostream &operator<<(std::ostream &os, Modint &b) { return os << b.x; } friend std::istream &operator>>(std::istream &is, Modint &b) { return is >> b.x; } constexpr uint64_t val() noexcept { return x; } constexpr Modint operator+() noexcept { return (*this); } constexpr Modint operator-() noexcept { return Modint() - (*this); } constexpr Modint operator+(const Modint rhs) noexcept { return Modint(*this) += rhs; } constexpr Modint operator-(const Modint rhs) noexcept { return Modint(*this) -= rhs; } constexpr Modint operator*(const Modint rhs) noexcept { return Modint(*this) *= rhs; } constexpr Modint operator/(const Modint rhs) noexcept { return Modint(*this) /= rhs; } constexpr Modint &operator+=(const Modint rhs) noexcept { x += rhs.x; if (x >= Mod) x -= Mod; return *this; } constexpr Modint &operator-=(const Modint rhs) noexcept { if (x < rhs.x) x += Mod; x -= rhs.x; return *this; } constexpr Modint &operator*=(const Modint rhs) noexcept { x = _get_mod(x * rhs.x); return *this; } constexpr bool operator==(Modint rhs) noexcept { return x == rhs.x; } constexpr bool operator!=(Modint rhs) noexcept { return x != rhs.x; } constexpr Modint &operator/=(Modint rhs) noexcept { return (*this) *= rhs.inv(); } constexpr Modint inv() noexcept { return (*this).pow(Mod - 2); } constexpr Modint pow(uint64_t x) noexcept { Modint ret = 1; Modint bin = (*this); while (x) { if (x & 1) ret *= bin; bin *= bin; x >>= 1; } return ret; } static uint64_t get_mod() noexcept { return Mod; } }; template struct ArbitraryModint { uint64_t x; static uint64_t &mod() noexcept { static uint64_t Mod = 0; return Mod; } constexpr ArbitraryModint() noexcept { x = 0; } constexpr ArbitraryModint(int64_t val) noexcept { x = (val < 0 ? val % (int64_t)(get_mod()) + get_mod() : val % get_mod()); } inline uint64_t _get_mod(uint64_t val) noexcept { const static uint64_t m_inv = (-1ULL) / get_mod() + 1; uint64_t ret = ((unsigned __int128)(val)*m_inv) >> 64; uint64_t pro = ret * get_mod(); return (val - pro + (val < pro ? get_mod() : 0)); } friend std::ostream &operator<<(std::ostream &os, ArbitraryModint &b) { return os << b.x; } friend std::istream &operator>>(std::istream &is, ArbitraryModint &b) { return is >> b.x; } constexpr uint64_t val() noexcept { return x; } constexpr ArbitraryModint operator+() noexcept { return (*this); } constexpr ArbitraryModint operator-() noexcept { return ArbitraryModint() - (*this); } constexpr ArbitraryModint operator+(const ArbitraryModint rhs) noexcept { return ArbitraryModint(*this) += rhs; } constexpr ArbitraryModint operator-(const ArbitraryModint rhs) noexcept { return ArbitraryModint(*this) -= rhs; } constexpr ArbitraryModint operator*(const ArbitraryModint rhs) noexcept { return ArbitraryModint(*this) *= rhs; } constexpr ArbitraryModint operator/(const ArbitraryModint rhs) noexcept { return ArbitraryModint(*this) /= rhs; } constexpr ArbitraryModint &operator+=(const ArbitraryModint rhs) noexcept { x += rhs.x; if (x >= get_mod()) x -= get_mod(); return *this; } constexpr ArbitraryModint &operator-=(const ArbitraryModint rhs) noexcept { if (x < rhs.x) x += get_mod(); x -= rhs.x; return *this; } constexpr ArbitraryModint &operator*=(const ArbitraryModint rhs) noexcept { x = _get_mod(x * rhs.x); return *this; } constexpr ArbitraryModint &operator/=(ArbitraryModint rhs) noexcept { return (*this) *= rhs.inv(); } constexpr bool operator==(ArbitraryModint rhs) noexcept { return x == rhs.x; } constexpr bool operator!=(ArbitraryModint rhs) noexcept { return x != rhs.x; } constexpr ArbitraryModint inv() noexcept { return (*this).pow(get_mod() - 2); } constexpr ArbitraryModint pow(uint64_t x) noexcept { ArbitraryModint ret = 1; ArbitraryModint bin = (*this); while (x) { if (x & 1) ret *= bin; bin *= bin; x >>= 1; } return ret; } static void set_mod(const uint64_t x) noexcept { mod() = x; } static uint64_t get_mod() noexcept { return mod(); } }; template inline void scan(Modint &a) { std::cin >> a.x; } template inline void scan(ArbitraryModint &a) { std::cin >> a.x; } template inline void print(Modint a) { std::cout << a.x; } template inline void print(ArbitraryModint a) { std::cout << a.x; } #line 2 "Template/Template.hpp" #include using namespace std; #line 8 "Template/InOut.hpp" inline void scan() {} inline void scan(int &a) { std::cin >> a; } inline void scan(unsigned &a) { std::cin >> a; } inline void scan(long &a) { std::cin >> a; } inline void scan(long long &a) { std::cin >> a; } inline void scan(unsigned long long &a) { std::cin >> a; } inline void scan(char &a) { std::cin >> a; } inline void scan(float &a) { std::cin >> a; } inline void scan(double &a) { std::cin >> a; } inline void scan(long double &a) { std::cin >> a; } inline void scan(std::vector &vec) { for (int32_t i = 0; i < vec.size(); i++) { int a; scan(a); vec[i] = a; } } inline void scan(std::string &a) { std::cin >> a; } template inline void scan(std::vector &vec); template inline void scan(std::array &vec); template inline void scan(std::pair &p); template inline void scan(T (&vec)[size]); template inline void scan(std::vector &vec) { for (auto &i : vec) scan(i); } template inline void scan(std::deque &vec) { for (auto &i : vec) scan(i); } template inline void scan(std::array &vec) { for (auto &i : vec) scan(i); } template inline void scan(std::pair &p) { scan(p.first); scan(p.second); } template inline void scan(T (&vec)[size]) { for (auto &i : vec) scan(i); } template inline void scan(T &a) { std::cin >> a; } inline void in() {} template inline void in(Head &head, Tail &...tail) { scan(head); in(tail...); } inline void print() { std::cout << ' '; } inline void print(const bool &a) { std::cout << a; } inline void print(const int &a) { std::cout << a; } inline void print(const unsigned &a) { std::cout << a; } inline void print(const long &a) { std::cout << a; } inline void print(const long long &a) { std::cout << a; } inline void print(const unsigned long long &a) { std::cout << a; } inline void print(const char &a) { std::cout << a; } inline void print(const char a[]) { std::cout << a; } inline void print(const float &a) { std::cout << a; } inline void print(const double &a) { std::cout << a; } inline void print(const long double &a) { std::cout << a; } inline void print(const std::string &a) { for (auto &&i : a) print(i); } template inline void print(const std::vector &vec); template inline void print(const std::array &vec); template inline void print(const std::pair &p); template inline void print(const T (&vec)[size]); template inline void print(const std::vector &vec) { if (vec.empty()) return; print(vec[0]); for (auto i = vec.begin(); ++i != vec.end();) { std::cout << ' '; print(*i); } } template inline void print(const std::deque &vec) { if (vec.empty()) return; print(vec[0]); for (auto i = vec.begin(); ++i != vec.end();) { std::cout << ' '; print(*i); } } template inline void print(const std::array &vec) { print(vec[0]); for (auto i = vec.begin(); ++i != vec.end();) { std::cout << ' '; print(*i); } } template inline void print(const std::pair &p) { print(p.first); std::cout << ' '; print(p.second); } template inline void print(const T (&vec)[size]) { print(vec[0]); for (auto i = vec; ++i != end(vec);) { std::cout << ' '; print(*i); } } template inline void print(const T &a) { std::cout << a; } inline void out() { std::cout << '\n'; } template inline void out(const T &t) { print(t); std::cout << '\n'; } template inline void out(const Head &head, const Tail &...tail) { print(head); std::cout << ' '; out(tail...); } inline void Yes(bool i = true) { out(i ? "Yes" : "No"); } inline void No(bool i = true) { out(i ? "No" : "Yes"); } struct IOsetup { IOsetup() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cout << std::setprecision(10); } } iosetup; #line 1 "Template/Macro.hpp" #define _overload3(_1, _2, _3, name, ...) name #define _overload4(_1, _2, _3, _4, name, ...) name #define _rep1(i, n) for (ll i = 0; i < (n); i++) #define _rep2(i, a, b) for (ll i = (a); i < (b); i++) #define _rep3(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define rep(...) _overload4(__VA_ARGS__, _rep3, _rep2, _rep1)(__VA_ARGS__) #define _rrep1(i, n) for (ll i = (n); i-- > 0;) #define _rrep2(i, a, b) for (ll i = (b); i-- > (a);) #define rrep(...) _overload3(__VA_ARGS__, _rrep2, _rrep1)(__VA_ARGS__) #define each(i, ...) for (auto&& i : __VA_ARGS__) #define all(i) std::begin(i), std::end(i) #define rall(i) std::rbegin(i), std::rend(i) #define len(x) ((int)(x).size()) #define fi first #define se second #define uniq(x) x.erase(unique(all(x)), std::end(x)) #define vec(type, name, ...) vector name(__VA_ARGS__); #define vv(type, name, h, ...) \ std::vector> name(h, std::vector(__VA_ARGS__)); #define INT(...) \ int __VA_ARGS__; \ in(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ in(__VA_ARGS__) #define ULL(...) \ ull __VA_ARGS__; \ in(__VA_ARGS__) #define STR(...) \ string __VA_ARGS__; \ in(__VA_ARGS__) #define CHR(...) \ char __VA_ARGS__; \ in(__VA_ARGS__) #define LD(...) \ ld __VA_ARGS__; \ in(__VA_ARGS__) #define VEC(type, name, size) \ std::vector name(size); \ in(name) #define VV(type, name, h, w) \ std::vector> name(h, std::vector(w)); \ in(name) #line 8 "Template/Util.hpp" using ll = long long; using ld = long double; using ull = unsigned long long; using uint = unsigned int; using pll = std::pair; using pii = std::pair; using vl = std::vector; using vll = std::vector; using pdd = std::pair; using tuplis = std::array; template using pq = std::priority_queue, std::greater>; const ll LINF = 1LL << 60; constexpr int INF = INT_MAX >> 1; constexpr ll MINF = 1LL << 40; constexpr ld DINF = std::numeric_limits::infinity(); constexpr int MODD = 1000000007; constexpr int MOD = 998244353; constexpr ld EPS = 1e-9; constexpr ld PI = 3.1415926535897932; const ll four[] = {0, 1, 0, -1, 0}; const ll eight[] = {0, 1, 1, 0, -1, -1, 1, -1, 0}; template bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } else return false; } template bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } else return false; } template ll sum(const T &a) { return accumulate(std::begin(a), std::end(a), 0LL); } template ld dsum(const T &a) { return accumulate(std::begin(a), std::end(a), 0.0L); } template auto min(const T &a) { return *min_element(std::begin(a), std::end(a)); } template auto max(const T &a) { return *max_element(std::begin(a), std::end(a)); } #line 5 "Verify/verify-yuki/117.test.cpp" using mint = Modint; void solve() { LL(T); ModCombination comb; rep(i, T) { STR(S); ll N = 0, K = 0; bool flg = false; each(j, S) { if (0 <= j - '0' && j - '0' <= 9) { if (flg) { K *= 10; K += j - '0'; } else { N *= 10; N += j - '0'; } } else if (j == ',') { flg = true; } } if (S[0] == 'C') out(comb.comb(N, K)); else if (S[0] == 'P') out(comb.perm(N, K)); else if (S[0] == 'H') out(comb.multi_comb(N, K)); } } int main() { solve(); }