#include using namespace std; using VS = vector; using LL = long long; using VI = vector; using VVI = vector; using PII = pair; using PLL = pair; using VL = vector; using VVL = vector; #define ALL(a) begin((a)),end((a)) #define RALL(a) (a).rbegin(), (a).rend() #define SZ(a) int((a).size()) #define SORT(c) sort(ALL((c))) #define RSORT(c) sort(RALL((c))) #define UNIQ(c) (c).erase(unique(ALL((c))), end((c))) #define FOR(i, s, e) for (int(i) = (s); (i) < (e); (i)++) #define FORR(i, s, e) for (int(i) = (s); (i) > (e); (i)--) //#pragma GCC optimize ("-O3") #ifdef YANG33 #include "mydebug.hpp" #else #define DD(x) #endif const int INF = 1e9; const LL LINF = 1e16; const LL MOD = 1e9+7; const double PI = acos(-1.0); int DX[8] = { 0, 0, 1, -1, 1, 1, -1, -1 }; int DY[8] = { 1, -1, 0, 0, 1, -1, 1, -1 }; /* ------問題------ -----問題ここまで----- */ /* -----解説等----- ----解説ここまで---- */ template <::std::uint_fast32_t MODULO> class modint { public: using uint32 = ::std::uint_fast32_t; using uint64 = ::std::uint_fast64_t; using value_type = uint32; uint32 a; modint() noexcept : a(0) {}modint(const signed x) noexcept : a(x) {}modint(const long long x) noexcept : a(x%MODULO) {}modint(const uint32 x) noexcept : a(x) {}modint operator+(const modint &o) const noexcept { return a + o.a < MODULO ? modint(a + o.a) : modint(a + o.a - MODULO); }modint operator-(const modint &o) const noexcept { return modint(a < o.a ? a + MODULO - o.a : a - o.a); }modint operator*(const modint &o) const noexcept { return modint(static_cast(a) * o.a % MODULO); }modint operator/(const modint &o) const { return modint(static_cast(a) * (~o).a % MODULO); }modint &operator+=(const modint &o) noexcept { return *this = *this + o; }modint &operator-=(const modint &o) noexcept { return *this = *this - o; }modint &operator*=(const modint &o) noexcept { return *this = *this * o; }modint &operator/=(const modint &o) { return *this = *this / o; }modint operator~() const noexcept { return pow(MODULO - 2); }modint operator-() const noexcept { return a ? modint(MODULO - a) : *this; }modint operator++() noexcept { return a == MODULO - 1 ? a = 0 : ++a, *this; }modint operator--() noexcept { return a ? --a : a = MODULO - 1, *this; }bool operator==(const modint &o) const noexcept { return a == o.a; }bool operator!=(const modint &o) const noexcept { return a != o.a; }bool operator<(const modint &o) const noexcept { return a < o.a; }bool operator<=(const modint &o) const noexcept { return a <= o.a; }bool operator>(const modint &o) const noexcept { return a > o.a; }bool operator>=(const modint &o) const noexcept { return a >= o.a; }explicit operator bool() const noexcept { return a; }explicit operator uint32() const noexcept { return a; }modint pow(uint32 x) const noexcept { uint64 t = a, u = 1; while (x) { if (x & 1)u = u * t % MODULO; t = (t * t) % MODULO; x >>= 1; } return modint(u); } uint32 get() const noexcept { return a; } }; using mint = modint; const mint mintzero = mint(0); const mint mintone = mint(1); mint modinv(mint a) { return mintone / mint(a); } vector fact, inv_fact; void init_fact(int n) { fact.resize(n); fact[0] = mintone; for (int i = 1; i < n; i++) { fact[i] = fact[i - 1] * mint(i); } inv_fact.resize(n); inv_fact[n - 1] = modinv(fact[n - 1]); for (int i = n - 2; i >= 0; i--) { inv_fact[i] = mint(i + 1) * inv_fact[i + 1]; } } mint nCr(int n, int r) { if (n < r || n < 0 || r < 0) return mintzero; return fact[n] * inv_fact[r] * inv_fact[n - r]; } mint nPr(int n, int r) { if (n < r || n < 0 || r < 0) return mintzero; return fact[n] * inv_fact[n - r]; } mint nHr(int n, int r) { if (n < 0 || r < 0) return mintzero; if (n == 0 && r == 0) return mintone; return nCr(n + r - 1, r); } void solve_yukicoder_117() { int T; scanf("%d\n", &T); init_fact(2000006); while (T--) { char c; int n, k; scanf("%c(%d,%d)\n", &c, &n, &k); if (c == 'C') printf("%d\n", nCr(n, k).get()); if (c == 'P') printf("%d\n", nPr(n, k).get()); if (c == 'H') printf("%d\n", nHr(n, k).get()); } } int main() { solve_yukicoder_117(); }