結果

問題 No.1547 [Cherry 2nd Tune *] 偶然の勝利の確率
ユーザー rniya
提出日時 2021-06-11 22:29:19
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 145 ms / 2,000 ms
コード長 11,377 bytes
コンパイル時間 2,541 ms
コンパイル使用メモリ 203,896 KB
最終ジャッジ日時 2025-01-22 06:14:22
ジャッジサーバーID
(参考情報)
judge2 / judge5
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ファイルパターン 結果
other AC * 36
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ソースコード

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プレゼンテーションモードにする

#define LOCAL
#include <bits/stdc++.h>
using namespace std;
#pragma region Macros
typedef long long ll;
typedef __int128_t i128;
typedef unsigned int uint;
typedef unsigned long long ull;
#define ALL(x) (x).begin(), (x).end()
template <typename T> istream& operator>>(istream& is, vector<T>& v) {
for (T& x : v) is >> x;
return is;
}
template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
for (int i = 0; i < (int)v.size(); i++) {
os << v[i] << (i + 1 == (int)v.size() ? "" : " ");
}
return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p) {
os << '(' << p.first << ',' << p.second << ')';
return os;
}
template <typename T, typename U, typename V> ostream& operator<<(ostream& os, const tuple<T, U, V>& t) {
os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ')';
return os;
}
template <typename T, typename U, typename V, typename W> ostream& operator<<(ostream& os, const tuple<T, U, V, W>& t) {
os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ',' << get<3>(t) << ')';
return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& m) {
os << '{';
for (auto itr = m.begin(); itr != m.end();) {
os << '(' << itr->first << ',' << itr->second << ')';
if (++itr != m.end()) os << ',';
}
os << '}';
return os;
}
template <typename T, typename U> ostream& operator<<(ostream& os, const unordered_map<T, U>& m) {
os << '{';
for (auto itr = m.begin(); itr != m.end();) {
os << '(' << itr->first << ',' << itr->second << ')';
if (++itr != m.end()) os << ',';
}
os << '}';
return os;
}
template <typename T> ostream& operator<<(ostream& os, const set<T>& s) {
os << '{';
for (auto itr = s.begin(); itr != s.end();) {
os << *itr;
if (++itr != s.end()) os << ',';
}
os << '}';
return os;
}
template <typename T> ostream& operator<<(ostream& os, const multiset<T>& s) {
os << '{';
for (auto itr = s.begin(); itr != s.end();) {
os << *itr;
if (++itr != s.end()) os << ',';
}
os << '}';
return os;
}
template <typename T> ostream& operator<<(ostream& os, const unordered_set<T>& s) {
os << '{';
for (auto itr = s.begin(); itr != s.end();) {
os << *itr;
if (++itr != s.end()) os << ',';
}
os << '}';
return os;
}
template <typename T> ostream& operator<<(ostream& os, const deque<T>& v) {
for (int i = 0; i < (int)v.size(); i++) {
os << v[i] << (i + 1 == (int)v.size() ? "" : " ");
}
return os;
}
void debug_out() { cerr << '\n'; }
template <class Head, class... Tail> void debug_out(Head&& head, Tail&&... tail) {
cerr << head;
if (sizeof...(Tail) > 0) cerr << ", ";
debug_out(move(tail)...);
}
#ifdef LOCAL
#define debug(...) \
cerr << " "; \
cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n'; \
cerr << " "; \
debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
template <typename T> T gcd(T x, T y) { return y != 0 ? gcd(y, x % y) : x; }
template <typename T> T lcm(T x, T y) { return x / gcd(x, y) * y; }
template <class T1, class T2> inline bool chmin(T1& a, T2 b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template <class T1, class T2> inline bool chmax(T1& a, T2 b) {
if (a < b) {
a = b;
return true;
}
return false;
}
#pragma endregion
/**
* @brief modint
* @docs docs/modulo/modint.md
*/
template <uint32_t mod> class modint {
using i64 = int64_t;
using u32 = uint32_t;
using u64 = uint64_t;
public:
u32 v;
constexpr modint(const i64 x = 0) noexcept : v(x < 0 ? mod - 1 - (-(x + 1) % mod) : x % mod) {}
constexpr u32& value() noexcept { return v; }
constexpr const u32& value() const noexcept { return v; }
constexpr modint operator+(const modint& rhs) const noexcept { return modint(*this) += rhs; }
constexpr modint operator-(const modint& rhs) const noexcept { return modint(*this) -= rhs; }
constexpr modint operator*(const modint& rhs) const noexcept { return modint(*this) *= rhs; }
constexpr modint operator/(const modint& rhs) const noexcept { return modint(*this) /= rhs; }
constexpr modint& operator+=(const modint& rhs) noexcept {
v += rhs.v;
if (v >= mod) v -= mod;
return *this;
}
constexpr modint& operator-=(const modint& rhs) noexcept {
if (v < rhs.v) v += mod;
v -= rhs.v;
return *this;
}
constexpr modint& operator*=(const modint& rhs) noexcept {
v = (u64)v * rhs.v % mod;
return *this;
}
constexpr modint& operator/=(const modint& rhs) noexcept { return *this *= rhs.pow(mod - 2); }
constexpr modint pow(u64 exp) const noexcept {
modint self(*this), res(1);
while (exp > 0) {
if (exp & 1) res *= self;
self *= self;
exp >>= 1;
}
return res;
}
constexpr modint& operator++() noexcept {
if (++v == mod) v = 0;
return *this;
}
constexpr modint& operator--() noexcept {
if (v == 0) v = mod;
return --v, *this;
}
constexpr modint operator++(int) noexcept {
modint t = *this;
return ++*this, t;
}
constexpr modint operator--(int) noexcept {
modint t = *this;
return --*this, t;
}
constexpr modint operator-() const noexcept { return modint(mod - v); }
template <class T> friend constexpr modint operator+(T x, modint y) noexcept { return modint(x) + y; }
template <class T> friend constexpr modint operator-(T x, modint y) noexcept { return modint(x) - y; }
template <class T> friend constexpr modint operator*(T x, modint y) noexcept { return modint(x) * y; }
template <class T> friend constexpr modint operator/(T x, modint y) noexcept { return modint(x) / y; }
constexpr bool operator==(const modint& rhs) const noexcept { return v == rhs.v; }
constexpr bool operator!=(const modint& rhs) const noexcept { return v != rhs.v; }
constexpr bool operator!() const noexcept { return !v; }
friend istream& operator>>(istream& s, modint& rhs) noexcept {
i64 v;
rhs = modint{(s >> v, v)};
return s;
}
friend ostream& operator<<(ostream& s, const modint& rhs) noexcept { return s << rhs.v; }
};
/**
* @brief Matrix
* @docs docs/linearalgebra/Matrix.md
*/
template <class T> struct Matrix {
vector<vector<T>> A;
Matrix(size_t n, size_t m) : A(n, vector<T>(m, 0)) {}
Matrix(size_t n) : A(n, vector<T>(n, 0)) {}
size_t height() const { return A.size(); }
size_t width() const { return A[0].size(); }
inline const vector<T>& operator[](int i) const { return A[i]; }
inline vector<T>& operator[](int i) { return A[i]; }
static Matrix I(size_t n) {
Matrix res(n);
for (int i = 0; i < n; i++) res[i][i] = 1;
return res;
}
Matrix operator+(const Matrix& B) const { return Matrix(*this) += B; }
Matrix operator-(const Matrix& B) const { return Matrix(*this) -= B; }
Matrix operator*(const Matrix& B) const { return Matrix(*this) *= B; }
Matrix operator^(const long long k) const { return Matrix(*this) ^= k; }
Matrix& operator+=(const Matrix& B) {
size_t n = height(), m = width();
assert(n == B.height() && m == B.width());
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
(*this)[i][j] += B[i][j];
}
}
return *this;
}
Matrix& operator-=(const Matrix& B) {
size_t n = height(), m = width();
assert(n == B.height() && m == B.width());
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
(*this)[i][j] -= B[i][j];
}
}
return *this;
}
Matrix& operator*=(const Matrix& B) {
size_t n = height(), m = B.width(), l = width();
assert(l == B.height());
vector<vector<T>> C(n, vector<T>(m, 0));
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
for (int k = 0; k < l; k++) {
C[i][j] += (*this)[i][k] * B[k][j];
}
}
}
A.swap(C);
return *this;
}
Matrix& operator^=(long long k) {
Matrix res = Matrix::I(height());
while (k > 0) {
if (k & 1) res *= *this;
*this *= *this;
k >>= 1LL;
}
A.swap(res.A);
return *this;
}
T determinant() {
Matrix B(*this);
T res = 1;
for (int i = 0; i < width(); i++) {
int pivot = -1;
for (int j = i; j < height(); j++) {
if (B[j][i] != 0) {
pivot = j;
}
}
if (pivot < 0) return 0;
if (pivot != i) {
res *= -1;
swap(B[i], B[pivot]);
}
res *= B[i][i];
T v = T(1) / B[i][i];
for (int j = 0; j < width(); j++) B[i][j] *= v;
for (int j = i + 1; j < height(); j++) {
T w = B[j][i];
for (int k = 0; k < width(); k++) {
B[j][k] -= B[i][k] * w;
}
}
}
return res;
}
};
const int INF = 1e9;
const long long IINF = 1e18;
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
const char dir[4] = {'D', 'R', 'U', 'L'};
// const long long MOD = 1000000007;
const long long MOD = 998244353;
using mint = modint<MOD>;
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
vector<int> M(2), N(2);
int S, T, K;
cin >> M[0] >> N[0] >> S;
cin >> M[1] >> N[1] >> T;
cin >> K;
S += T;
vector<mint> P(2);
for (int i = 0; i < 2; i++) P[i] = mint(M[i]) / N[i];
vector<mint> get(S + 1, 0), lose(S + 1, 0);
get[0] = lose[0] = 1;
for (int i = 0; i < S; i++) get[i + 1] = get[i] * P[0];
for (int i = 0; i < S; i++) lose[i + 1] = lose[i] * P[1];
Matrix<mint> U(S + 1), V(S + 1);
U[0][0] = U[S][S] = V[0][0] = V[S][S] = 1;
for (int i = 1; i < S; i++) {
for (int j = 0; i + j <= S; j++) {
if (i + j == S)
U[i][i + j] = get[j];
else
U[i][i + j] = get[j] * (1 - P[0]);
}
for (int j = 0; i - j >= 0; j++) {
if (i - j == 0)
V[i][i - j] = lose[j];
else
V[i][i - j] = lose[j] * (1 - P[1]);
}
}
// for (int i = 0; i <= S; i++) {
// for (int j = 0; j <= S; j++) {
// cerr << U[i][j] << (j == S ? '\n' : ' ');
// }
// }
// for (int i = 0; i <= S; i++) {
// for (int j = 0; j <= S; j++) {
// cerr << V[i][j] << (j == S ? '\n' : ' ');
// }
// }
U *= V;
U ^= K;
mint a = U[T][S], b = U[T][0];
cout << a << '\n';
cout << b << '\n';
return 0;
}
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