結果

問題 No.1549 [Cherry 2nd Tune] BANning Tuple
ユーザー 👑 emthrm
提出日時 2021-06-11 23:46:56
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 2,243 ms / 4,000 ms
コード長 18,676 bytes
コンパイル時間 2,940 ms
コンパイル使用メモリ 224,872 KB
最終ジャッジ日時 2025-01-22 07:16:50
ジャッジサーバーID
(参考情報)
judge5 / judge2
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ファイルパターン 結果
other AC * 20
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ソースコード

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#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
using ll = long long;
constexpr int INF = 0x3f3f3f3f;
constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL;
constexpr double EPS = 1e-8;
constexpr int MOD = 998244353;
constexpr int dy[] = {1, 0, -1, 0}, dx[] = {0, -1, 0, 1};
constexpr int dy8[] = {1, 1, 0, -1, -1, -1, 0, 1}, dx8[] = {0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U> inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U> inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
IOSetup() {
std::cin.tie(nullptr);
std::ios_base::sync_with_stdio(false);
std::cout << fixed << setprecision(20);
}
} iosetup;
template <int M>
struct MInt {
unsigned int val;
MInt(): val(0) {}
MInt(long long x) : val(x >= 0 ? x % M : x % M + M) {}
static constexpr int get_mod() { return M; }
static void set_mod(int divisor) { assert(divisor == M); }
static void init(int x = 10000000) { inv(x, true); fact(x); fact_inv(x); }
static MInt inv(int x, bool init = false) {
// assert(0 <= x && x < M && std::__gcd(x, M) == 1);
static std::vector<MInt> inverse{0, 1};
int prev = inverse.size();
if (init && x >= prev) {
// "x!" and "M" must be disjoint.
inverse.resize(x + 1);
for (int i = prev; i <= x; ++i) inverse[i] = -inverse[M % i] * (M / i);
}
if (x < inverse.size()) return inverse[x];
unsigned int a = x, b = M; int u = 1, v = 0;
while (b) {
unsigned int q = a / b;
std::swap(a -= q * b, b);
std::swap(u -= q * v, v);
}
return u;
}
static MInt fact(int x) {
static std::vector<MInt> f{1};
int prev = f.size();
if (x >= prev) {
f.resize(x + 1);
for (int i = prev; i <= x; ++i) f[i] = f[i - 1] * i;
}
return f[x];
}
static MInt fact_inv(int x) {
static std::vector<MInt> finv{1};
int prev = finv.size();
if (x >= prev) {
finv.resize(x + 1);
finv[x] = inv(fact(x).val);
for (int i = x; i > prev; --i) finv[i - 1] = finv[i] * i;
}
return finv[x];
}
static MInt nCk(int n, int k) {
if (n < 0 || n < k || k < 0) return 0;
if (n - k > k) k = n - k;
return fact(n) * fact_inv(k) * fact_inv(n - k);
}
static MInt nPk(int n, int k) { return n < 0 || n < k || k < 0 ? 0 : fact(n) * fact_inv(n - k); }
static MInt nHk(int n, int k) { return n < 0 || k < 0 ? 0 : (k == 0 ? 1 : nCk(n + k - 1, k)); }
static MInt large_nCk(long long n, int k) {
if (n < 0 || n < k || k < 0) return 0;
inv(k, true);
MInt res = 1;
for (int i = 1; i <= k; ++i) res *= inv(i) * n--;
return res;
}
MInt pow(long long exponent) const {
MInt tmp = *this, res = 1;
while (exponent > 0) {
if (exponent & 1) res *= tmp;
tmp *= tmp;
exponent >>= 1;
}
return res;
}
MInt &operator+=(const MInt &x) { if((val += x.val) >= M) val -= M; return *this; }
MInt &operator-=(const MInt &x) { if((val += M - x.val) >= M) val -= M; return *this; }
MInt &operator*=(const MInt &x) { val = static_cast<unsigned long long>(val) * x.val % M; return *this; }
MInt &operator/=(const MInt &x) { return *this *= inv(x.val); }
bool operator==(const MInt &x) const { return val == x.val; }
bool operator!=(const MInt &x) const { return val != x.val; }
bool operator<(const MInt &x) const { return val < x.val; }
bool operator<=(const MInt &x) const { return val <= x.val; }
bool operator>(const MInt &x) const { return val > x.val; }
bool operator>=(const MInt &x) const { return val >= x.val; }
MInt &operator++() { if (++val == M) val = 0; return *this; }
MInt operator++(int) { MInt res = *this; ++*this; return res; }
MInt &operator--() { val = (val == 0 ? M : val) - 1; return *this; }
MInt operator--(int) { MInt res = *this; --*this; return res; }
MInt operator+() const { return *this; }
MInt operator-() const { return MInt(val ? M - val : 0); }
MInt operator+(const MInt &x) const { return MInt(*this) += x; }
MInt operator-(const MInt &x) const { return MInt(*this) -= x; }
MInt operator*(const MInt &x) const { return MInt(*this) *= x; }
MInt operator/(const MInt &x) const { return MInt(*this) /= x; }
friend std::ostream &operator<<(std::ostream &os, const MInt &x) { return os << x.val; }
friend std::istream &operator>>(std::istream &is, MInt &x) { long long val; is >> val; x = MInt(val); return is; }
};
namespace std { template <int M> MInt<M> abs(const MInt<M> &x) { return x; } }
using ModInt = MInt<MOD>;
template <int T>
struct NumberTheoreticTransform {
using ModInt = MInt<T>;
NumberTheoreticTransform() {
for (int i = 0; i < 23; ++i) {
if (primes[i][0] == ModInt::get_mod()) {
n_max = 1 << primes[i][2];
root = ModInt(primes[i][1]).pow((ModInt::get_mod() - 1) >> primes[i][2]);
return;
}
}
assert(false);
}
void sub_dft(std::vector<ModInt> &a) {
int n = a.size();
assert(__builtin_popcount(n) == 1);
calc(n);
int shift = __builtin_ctz(butterfly.size()) - __builtin_ctz(n);
for (int i = 0; i < n; ++i) {
int j = butterfly[i] >> shift;
if (i < j) std::swap(a[i], a[j]);
}
for (int block = 1; block < n; block <<= 1) {
int den = __builtin_ctz(block);
for (int i = 0; i < n; i += (block << 1)) for (int j = 0; j < block; ++j) {
ModInt tmp = a[i + j + block] * omega[den][j];
a[i + j + block] = a[i + j] - tmp;
a[i + j] += tmp;
}
}
}
template <typename U>
std::vector<ModInt> dft(const std::vector<U> &a) {
int n = a.size(), lg = 1;
while ((1 << lg) < n) ++lg;
std::vector<ModInt> A(1 << lg, 0);
for (int i = 0; i < n; ++i) A[i] = a[i];
sub_dft(A);
return A;
}
void idft(std::vector<ModInt> &a) {
int n = a.size();
assert(__builtin_popcount(n) == 1);
sub_dft(a);
std::reverse(a.begin() + 1, a.end());
ModInt inv_n = ModInt::inv(n);
for (int i = 0; i < n; ++i) a[i] *= inv_n;
}
template <typename U>
std::vector<ModInt> convolution(const std::vector<U> &a, const std::vector<U> &b) {
int a_sz = a.size(), b_sz = b.size(), sz = a_sz + b_sz - 1, lg = 1;
while ((1 << lg) < sz) ++lg;
int n = 1 << lg;
std::vector<ModInt> A(n, 0), B(n, 0);
for (int i = 0; i < a_sz; ++i) A[i] = a[i];
for (int i = 0; i < b_sz; ++i) B[i] = b[i];
sub_dft(A);
sub_dft(B);
for (int i = 0; i < n; ++i) A[i] *= B[i];
idft(A);
A.resize(sz);
return A;
}
private:
int primes[23][3]{
{16957441, 329, 14},
{17006593, 26, 15},
{19529729, 770, 17},
{167772161, 3, 25},
{469762049, 3, 26},
{645922817, 3, 23},
{897581057, 3, 23},
{924844033, 5, 21},
{935329793, 3, 22},
{943718401, 7, 22},
{950009857, 7, 21},
{962592769, 7, 21},
{975175681, 17, 21},
{976224257, 3, 20},
{985661441, 3, 22},
{998244353, 3, 23},
{1004535809, 3, 21},
{1007681537, 3, 20},
{1012924417, 5, 21},
{1045430273, 3, 20},
{1051721729, 6, 20},
{1053818881, 7, 20},
{1224736769, 3, 24}
};
int n_max;
ModInt root;
std::vector<int> butterfly{0};
std::vector<std::vector<ModInt>> omega{{1}};
void calc(int n) {
int prev_n = butterfly.size();
if (n <= prev_n) return;
assert(n <= n_max);
butterfly.resize(n);
int prev_lg = omega.size(), lg = __builtin_ctz(n);
for (int i = 1; i < prev_n; ++i) butterfly[i] <<= lg - prev_lg;
for (int i = prev_n; i < n; ++i) butterfly[i] = (butterfly[i >> 1] >> 1) | ((i & 1) << (lg - 1));
omega.resize(lg);
for (int i = prev_lg; i < lg; ++i) {
omega[i].resize(1 << i);
ModInt tmp = root.pow((ModInt::get_mod() - 1) / (1 << (i + 1)));
for (int j = 0; j < (1 << (i - 1)); ++j) {
omega[i][j << 1] = omega[i - 1][j];
omega[i][(j << 1) + 1] = omega[i - 1][j] * tmp;
}
}
}
};
template <typename T>
struct FormalPowerSeries {
using MUL = std::function<std::vector<T>(const std::vector<T>&, const std::vector<T>&)>;
using SQR = std::function<bool(const T&, T&)>;
std::vector<T> co;
FormalPowerSeries(int deg = 0) : co(deg + 1, 0) {}
FormalPowerSeries(const std::vector<T> &co) : co(co) {}
FormalPowerSeries(std::initializer_list<T> init) : co(init.begin(), init.end()) {}
template <typename InputIter> FormalPowerSeries(InputIter first, InputIter last) : co(first, last) {}
inline const T &operator[](int term) const { return co[term]; }
inline T &operator[](int term) { return co[term]; }
static void set_mul(MUL mul) { get_mul() = mul; }
static void set_sqr(SQR sqr) { get_sqr() = sqr; }
void resize(int deg) { co.resize(deg + 1, 0); }
void shrink() { while (co.size() > 1 && co.back() == 0) co.pop_back(); }
int degree() const { return static_cast<int>(co.size()) - 1; }
FormalPowerSeries &operator=(const std::vector<T> &new_co) {
co.resize(new_co.size());
std::copy(new_co.begin(), new_co.end(), co.begin());
return *this;
}
FormalPowerSeries &operator=(const FormalPowerSeries &x) {
co.resize(x.co.size());
std::copy(x.co.begin(), x.co.end(), co.begin());
return *this;
}
FormalPowerSeries &operator+=(const FormalPowerSeries &x) {
int n = x.co.size();
if (n > co.size()) resize(n - 1);
for (int i = 0; i < n; ++i) co[i] += x.co[i];
return *this;
}
FormalPowerSeries &operator-=(const FormalPowerSeries &x) {
int n = x.co.size();
if (n > co.size()) resize(n - 1);
for (int i = 0; i < n; ++i) co[i] -= x.co[i];
return *this;
}
FormalPowerSeries &operator*=(T x) {
for (T &e : co) e *= x;
return *this;
}
FormalPowerSeries &operator*=(const FormalPowerSeries &x) { return *this = get_mul()(co, x.co); }
FormalPowerSeries &operator/=(T x) {
assert(x != 0);
T inv_x = static_cast<T>(1) / x;
for (T &e : co) e *= inv_x;
return *this;
}
FormalPowerSeries &operator/=(const FormalPowerSeries &x) {
int sz = x.co.size();
if (sz > co.size()) return *this = FormalPowerSeries();
int n = co.size() - sz + 1;
FormalPowerSeries a(co.rbegin(), co.rbegin() + n), b(x.co.rbegin(), x.co.rbegin() + std::min(sz, n));
b = b.inv(n - 1);
a *= b;
return *this = FormalPowerSeries(a.co.rend() - n, a.co.rend());
}
FormalPowerSeries &operator%=(const FormalPowerSeries &x) {
*this -= *this / x * x;
co.resize(static_cast<int>(x.co.size()) - 1);
if (co.empty()) co = {0};
return *this;
}
FormalPowerSeries &operator<<=(int n) {
co.insert(co.begin(), n, 0);
return *this;
}
FormalPowerSeries &operator>>=(int n) {
if (co.size() < n) return *this = FormalPowerSeries();
co.erase(co.begin(), co.begin() + n);
return *this;
}
bool operator==(const FormalPowerSeries &x) const {
FormalPowerSeries a(*this), b(x);
a.shrink(); b.shrink();
int n = a.co.size();
if (n != b.co.size()) return false;
for (int i = 0; i < n; ++i) if (a.co[i] != b.co[i]) return false;
return true;
}
bool operator!=(const FormalPowerSeries &x) const { return !(*this == x); }
FormalPowerSeries operator+() const { return *this; }
FormalPowerSeries operator-() const {
FormalPowerSeries res(*this);
for (T &e : res.co) e = -e;
return res;
}
FormalPowerSeries operator+(const FormalPowerSeries &x) const { return FormalPowerSeries(*this) += x; }
FormalPowerSeries operator-(const FormalPowerSeries &x) const { return FormalPowerSeries(*this) -= x; }
FormalPowerSeries operator*(T x) const { return FormalPowerSeries(*this) *= x; }
FormalPowerSeries operator*(const FormalPowerSeries &x) const { return FormalPowerSeries(*this) *= x; }
FormalPowerSeries operator/(T x) const { return FormalPowerSeries(*this) /= x; }
FormalPowerSeries operator/(const FormalPowerSeries &x) const { return FormalPowerSeries(*this) /= x; }
FormalPowerSeries operator%(const FormalPowerSeries &x) const { return FormalPowerSeries(*this) %= x; }
FormalPowerSeries operator<<(int n) const { return FormalPowerSeries(*this) <<= n; }
FormalPowerSeries operator>>(int n) const { return FormalPowerSeries(*this) >>= n; }
T horner(T x) const {
T res = 0;
for (int i = static_cast<int>(co.size()) - 1; i >= 0; --i) (res *= x) += co[i];
return res;
}
FormalPowerSeries differential() const {
int n = co.size();
assert(n >= 1);
FormalPowerSeries res(n - 1);
for (int i = 1; i < n; ++i) res.co[i - 1] = co[i] * i;
return res;
}
FormalPowerSeries integral() const {
int n = co.size();
FormalPowerSeries res(n + 1);
for (int i = 0; i < n; ++i) res[i + 1] = co[i] / (i + 1);
return res;
}
FormalPowerSeries exp(int deg = -1) const {
assert(co[0] == 0);
int n = co.size();
if (deg == -1) deg = n - 1;
FormalPowerSeries one{1}, res = one;
for (int i = 1; i <= deg; i <<= 1) {
res *= FormalPowerSeries(co.begin(), co.begin() + std::min(n, i << 1)) - res.log((i << 1) - 1) + one;
res.co.resize(i << 1);
}
res.co.resize(deg + 1);
return res;
}
FormalPowerSeries inv(int deg = -1) const {
assert(co[0] != 0);
int n = co.size();
if (deg == -1) deg = n - 1;
FormalPowerSeries res{static_cast<T>(1) / co[0]};
for (int i = 1; i <= deg; i <<= 1) {
res = res + res - res * res * FormalPowerSeries(co.begin(), co.begin() + std::min(n, i << 1));
res.co.resize(i << 1);
}
res.co.resize(deg + 1);
return res;
}
FormalPowerSeries log(int deg = -1) const {
assert(co[0] == 1);
if (deg == -1) deg = static_cast<int>(co.size()) - 1;
FormalPowerSeries integrand = differential() * inv(deg - 1);
integrand.co.resize(deg);
return integrand.integral();
}
FormalPowerSeries pow(long long exponent, int deg = -1) const {
int n = co.size();
if (deg == -1) deg = n - 1;
for (int i = 0; i < n; ++i) {
if (co[i] != 0) {
long long shift = exponent * i;
if (shift > deg) break;
T tmp = 1, base = co[i];
long long e = exponent;
while (e > 0) {
if (e & 1) tmp *= base;
base *= base;
e >>= 1;
}
return ((((*this >> i) * (static_cast<T>(1) / co[i])).log(deg - shift)
* static_cast<T>(exponent)).exp(deg - shift) * tmp)
<< shift;
}
}
return FormalPowerSeries(deg);
}
FormalPowerSeries mod_pow(long long exponent, const FormalPowerSeries &md) const {
FormalPowerSeries inv_rev_md = FormalPowerSeries(md.co.rbegin(), md.co.rend()).inv();
int deg_of_md = md.co.size();
auto mod_mul = [&](FormalPowerSeries &multiplicand, const FormalPowerSeries &multiplier) -> void {
multiplicand *= multiplier;
if (deg_of_md <= multiplicand.co.size()) {
int n = multiplicand.co.size() - deg_of_md + 1;
FormalPowerSeries quotient =
FormalPowerSeries(multiplicand.co.rbegin(), multiplicand.co.rbegin() + n)
* FormalPowerSeries(inv_rev_md.co.begin(), inv_rev_md.co.begin() + std::min(static_cast<int>(inv_rev_md.co.size()), n));
multiplicand -= FormalPowerSeries(quotient.co.rend() - n, quotient.co.rend()) * md;
}
multiplicand.co.resize(deg_of_md - 1);
if (multiplicand.co.empty()) multiplicand.co = {0};
};
FormalPowerSeries res{1}, base = *this;
mod_mul(base, res);
while (exponent > 0) {
if (exponent & 1) mod_mul(res, base);
mod_mul(base, base);
exponent >>= 1;
}
return res;
}
FormalPowerSeries sqrt(int deg = -1) const {
int n = co.size();
if (deg == -1) deg = n - 1;
if (co[0] == 0) {
for (int i = 1; i < n; ++i) {
if (co[i] == 0) continue;
if (i & 1) return FormalPowerSeries(-1);
int shift = i >> 1;
if (deg < shift) break;
FormalPowerSeries res = (*this >> i).sqrt(deg - shift);
if (res.co.empty()) return FormalPowerSeries(-1);
res <<= shift;
res.resize(deg);
return res;
}
return FormalPowerSeries(deg);
}
T s;
if (!get_sqr()(co[0], s)) return FormalPowerSeries(-1);
FormalPowerSeries res{s};
T half = static_cast<T>(1) / 2;
for (int i = 1; i <= deg; i <<= 1) {
(res += FormalPowerSeries(co.begin(), co.begin() + std::min(n, i << 1)) * res.inv((i << 1) - 1)) *= half;
}
res.resize(deg);
return res;
}
FormalPowerSeries translate(T c) const {
int n = co.size();
std::vector<T> fact(n, 1), inv_fact(n, 1);
for (int i = 1; i < n; ++i) fact[i] = fact[i - 1] * i;
inv_fact[n - 1] = static_cast<T>(1) / fact[n - 1];
for (int i = n - 1; i > 0; --i) inv_fact[i - 1] = inv_fact[i] * i;
std::vector<T> g(n), ex(n);
for (int i = 0; i < n; ++i) g[n - 1 - i] = co[i] * fact[i];
T pow_c = 1;
for (int i = 0; i < n; ++i) {
ex[i] = pow_c * inv_fact[i];
pow_c *= c;
}
std::vector<T> conv = get_mul()(g, ex);
FormalPowerSeries res(n - 1);
for (int i = 0; i < n; ++i) res[i] = conv[n - 1 - i] * inv_fact[i];
return res;
}
private:
static MUL &get_mul() {
static MUL mul = [](const std::vector<T> &a, const std::vector<T> &b) -> std::vector<T> {
int n = a.size(), m = b.size();
std::vector<T> res(n + m - 1, 0);
for (int i = 0; i < n; ++i) for (int j = 0; j < m; ++j) res[i + j] += a[i] * b[j];
return res;
};
return mul;
}
static SQR &get_sqr() {
static SQR sqr = [](const T &a, T &res) -> bool { return false; };
return sqr;
}
};
int main() {
NumberTheoreticTransform<MOD> ntt;
FormalPowerSeries<ModInt>::set_mul([&](const vector<ModInt> &a, const vector<ModInt> &b) -> vector<ModInt> {
return ntt.convolution(a, b);
});
constexpr int D = 3000;
ll n; int q; cin >> n >> q;
FormalPowerSeries<ModInt> ans(D);
ans[0] = 1;
unordered_map<ll, FormalPowerSeries<ModInt>> cond;
while (q--) {
ll k; int a, b; cin >> k >> a >> b;
if (cond.count(k) == 0) {
cond[k] = FormalPowerSeries<ModInt>(D);
fill(ALL(cond[k].co), 1);
} else {
ans *= cond[k].inv(D);
}
fill(cond[k].co.begin() + a, cond[k].co.begin() + b + 1, 0);
ans *= cond[k];
ans.resize(D);
int s, t; cin >> s >> t;
ModInt pat = 0;
REP(i, t + 1) {
pat += ans[i] * ModInt::large_nCk(n - cond.size() + (t - i), t - i);
}
REP(i, s) {
pat -= ans[i] * ModInt::large_nCk(n - cond.size() + (s - 1 - i), s - 1 - i);
}
cout << pat << '\n';
}
return 0;
}
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