This documentation is automatically generated by online-judge-tools/verification-helper
#include "Algorithm/wildcardpatternmatching.hpp"#pragma once
#include "Math/modint.hpp"
#include "Convolution/ntt.hpp"
vector<int> WildcardPatternMatching(string &s, string &t, char wild) {
using Fp = fp<998244353>;
NTT<Fp> ntt;
int n = SZ(s), m = SZ(t);
vector<Fp> a(n), a2(n), a3(n);
vector<Fp> b(m), b2(m), b3(m);
rep(i, 0, n) {
Fp x = (s[i] == wild ? 0 : 1);
Fp y = (s[i] == wild ? 0 : (s[i] - 'a' + 1));
a[i] = x;
a2[i] = x * y;
a3[i] = x * y * y;
}
reverse(ALL(t));
rep(i, 0, m) {
Fp x = (t[i] == wild ? 0 : 1);
Fp y = (t[i] == wild ? 0 : (t[i] - 'a' + 1));
b[i] = x;
b2[i] = x * y;
b3[i] = x * y * y;
}
auto ab3 = ntt.mult(a, b3);
auto a2b2 = ntt.mult(a2, b2);
auto a3b = ntt.mult(a3, b);
vector<int> ret;
rep(i, m - 1, n) {
Fp val = ab3[i] + a3b[i] - a2b2[i] * 2;
if (val == 0)
ret.push_back(1);
else
ret.push_back(0);
}
return ret;
}
/**
* @brief Wildcard Pattern Matching
*/#line 2 "Math/comb.hpp"
template <typename T> T Inv(ll n) {
static int md;
static vector<T> buf({0, 1});
if (md != T::get_mod()) {
md = T::get_mod();
buf = vector<T>({0, 1});
}
assert(n > 0);
n %= md;
while (SZ(buf) <= n) {
int k = SZ(buf), q = (md + k - 1) / k;
buf.push_back(buf[k * q - md] * q);
}
return buf[n];
}
template <typename T> T Fact(ll n, bool inv = 0) {
static int md;
static vector<T> buf({1, 1}), ibuf({1, 1});
if (md != T::get_mod()) {
md = T::get_mod();
buf = ibuf = vector<T>({1, 1});
}
assert(n >= 0 and n < md);
while (SZ(buf) <= n) {
buf.push_back(buf.back() * SZ(buf));
ibuf.push_back(ibuf.back() * Inv<T>(SZ(ibuf)));
}
return inv ? ibuf[n] : buf[n];
}
template <typename T> T nPr(int n, int r, bool inv = 0) {
if (n < 0 || n < r || r < 0)
return 0;
return Fact<T>(n, inv) * Fact<T>(n - r, inv ^ 1);
}
template <typename T> T nCr(int n, int r, bool inv = 0) {
if (n < 0 || n < r || r < 0)
return 0;
return Fact<T>(n, inv) * Fact<T>(r, inv ^ 1) * Fact<T>(n - r, inv ^ 1);
}
// sum = n, r tuples
template <typename T> T nHr(int n, int r, bool inv = 0) {
return nCr<T>(n + r - 1, r - 1, inv);
}
// [x^n]C(x)^k
template <typename T> T Catalan(int n, int k) {
if (k == 0)
return (n == 0 ? 1 : 0);
return T(k) * Inv<T>(n * 2 + k) * nCr<T>(n * 2 + k, n);
}
// sum = n, a nonzero tuples and b tuples
template <typename T> T choose(int n, int a, int b) {
if (n == 0)
return !a;
return nCr<T>(n + b - 1, a + b - 1);
}
/**
* @brief Combination
*/
#line 3 "Math/modint.hpp"
template <unsigned mod = 1000000007> struct fp {
static_assert(mod < uint(1) << 31);
unsigned v;
static constexpr int get_mod() {
return mod;
}
constexpr unsigned inv() const {
assert(v != 0);
int x = v, y = mod, p = 1, q = 0, t = 0, tmp = 0;
while (y > 0) {
t = x / y;
x -= t * y, p -= t * q;
tmp = x, x = y, y = tmp;
tmp = p, p = q, q = tmp;
}
if (p < 0)
p += mod;
return p;
}
constexpr fp(ll x = 0) : v(x >= 0 ? x % mod : (mod - (-x) % mod) % mod) {}
fp operator-() const {
return fp() - *this;
}
fp pow(ull t) {
fp res = 1, b = *this;
while (t) {
if (t & 1)
res *= b;
b *= b;
t >>= 1;
}
return res;
}
fp &operator+=(const fp &x) {
if ((v += x.v) >= mod)
v -= mod;
return *this;
}
fp &operator-=(const fp &x) {
if ((v += mod - x.v) >= mod)
v -= mod;
return *this;
}
fp &operator*=(const fp &x) {
v = ull(v) * x.v % mod;
return *this;
}
fp &operator/=(const fp &x) {
if (x.v < 15000000) {
return *this *= Inv<fp>(x.v);
}
v = ull(v) * x.inv() % mod;
return *this;
}
fp operator+(const fp &x) const {
return fp(*this) += x;
}
fp operator-(const fp &x) const {
return fp(*this) -= x;
}
fp operator*(const fp &x) const {
return fp(*this) *= x;
}
fp operator/(const fp &x) const {
return fp(*this) /= x;
}
bool operator==(const fp &x) const {
return v == x.v;
}
bool operator!=(const fp &x) const {
return v != x.v;
}
friend istream &operator>>(istream &is, fp &x) {
return is >> x.v;
}
friend ostream &operator<<(ostream &os, const fp &x) {
return os << x.v;
}
};
template <unsigned mod> void rd(fp<mod> &x) {
fastio::rd(x.v);
}
template <unsigned mod> void wt(fp<mod> x) {
fastio::wt(x.v);
}
/**
* @brief Modint
*/
#line 2 "Math/fastdiv.hpp"
struct FastDiv {
using u64 = uint64_t;
using u128 = __uint128_t;
constexpr FastDiv() : m(), s(), x() {}
constexpr FastDiv(int _m)
: m(_m), s(__lg(m - 1)), x(((u128(1) << (s + 64)) + m - 1) / m) {}
constexpr int get() {
return m;
}
constexpr friend u64 operator/(u64 n, const FastDiv &d) {
return (u128(n) * d.x >> d.s) >> 64;
}
constexpr friend int operator%(u64 n, const FastDiv &d) {
return n - n / d * d.m;
}
constexpr pair<u64, int> divmod(u64 n) const {
u64 q = n / (*this);
return {q, n - q * m};
}
int m, s;
u64 x;
};
struct FastDiv64 {
using u64 = uint64_t;
using u128 = __uint128_t;
u128 mod, mh, ml;
explicit FastDiv64(u64 mod = 1) : mod(mod) {
u128 m = u128(-1) / mod;
if (m * mod + mod == u128(0))
++m;
mh = m >> 64;
ml = m & u64(-1);
}
u64 umod() const {
return mod;
}
u64 modulo(u128 x) {
u128 z = (x & u64(-1)) * ml;
z = (x & u64(-1)) * mh + (x >> 64) * ml + (z >> 64);
z = (x >> 64) * mh + (z >> 64);
x -= z * mod;
return x < mod ? x : x - mod;
}
u64 mul(u64 a, u64 b) {
return modulo(u128(a) * b);
}
};
/**
* @brief Fast Division
*/
#line 2 "Math/miller.hpp"
struct m64 {
using i64 = int64_t;
using u64 = uint64_t;
using u128 = __uint128_t;
static u64 mod;
static u64 r;
static u64 n2;
static u64 get_r() {
u64 ret = mod;
rep(_,0,5) ret *= 2 - mod * ret;
return ret;
}
static void set_mod(u64 m) {
assert(m < (1LL << 62));
assert((m & 1) == 1);
mod = m;
n2 = -u128(m) % m;
r = get_r();
assert(r * mod == 1);
}
static u64 get_mod() { return mod; }
u64 a;
m64() : a(0) {}
m64(const int64_t &b) : a(reduce((u128(b) + mod) * n2)){};
static u64 reduce(const u128 &b) {
return (b + u128(u64(b) * u64(-r)) * mod) >> 64;
}
u64 get() const {
u64 ret = reduce(a);
return ret >= mod ? ret - mod : ret;
}
m64 &operator*=(const m64 &b) {
a = reduce(u128(a) * b.a);
return *this;
}
m64 operator*(const m64 &b) const { return m64(*this) *= b; }
bool operator==(const m64 &b) const {
return (a >= mod ? a - mod : a) == (b.a >= mod ? b.a - mod : b.a);
}
bool operator!=(const m64 &b) const {
return (a >= mod ? a - mod : a) != (b.a >= mod ? b.a - mod : b.a);
}
m64 pow(u128 n) const {
m64 ret(1), mul(*this);
while (n > 0) {
if (n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
};
typename m64::u64 m64::mod, m64::r, m64::n2;
bool Miller(ll n){
if(n<2 or (n&1)==0)return (n==2);
m64::set_mod(n);
ll d=n-1; while((d&1)==0)d>>=1;
vector<ll> seeds;
if(n<(1<<30))seeds={2, 7, 61};
else seeds={2, 325, 9375, 28178, 450775, 9780504};
for(auto& x:seeds){
if(n<=x)break;
ll t=d;
m64 y=m64(x).pow(t);
while(t!=n-1 and y!=1 and y!=n-1){
y*=y;
t<<=1;
}
if(y!=n-1 and (t&1)==0)return 0;
} return 1;
}
/**
* @brief Miller-Rabin
*/
#line 2 "Utility/random.hpp"
namespace Random {
mt19937_64 randgen(chrono::steady_clock::now().time_since_epoch().count());
using u64 = unsigned long long;
u64 get() {
return randgen();
}
template <typename T> T get(T L) { // [0,L]
return get() % (L + 1);
}
template <typename T> T get(T L, T R) { // [L,R]
return get(R - L) + L;
}
double uniform() {
return double(get(1000000000)) / 1000000000;
}
string str(int n) {
string ret;
rep(i, 0, n) ret += get('a', 'z');
return ret;
}
template <typename Iter> void shuffle(Iter first, Iter last) {
if (first == last)
return;
int len = 1;
for (auto it = first + 1; it != last; it++) {
len++;
int j = get(0, len - 1);
if (j != len - 1)
iter_swap(it, first + j);
}
}
template <typename T> vector<T> select(int n, T L, T R) { // [L,R]
if (n * 2 >= R - L + 1) {
vector<T> ret(R - L + 1);
iota(ALL(ret), L);
shuffle(ALL(ret));
ret.resize(n);
return ret;
} else {
unordered_set<T> used;
vector<T> ret;
while (SZ(used) < n) {
T x = get(L, R);
if (!used.count(x)) {
used.insert(x);
ret.push_back(x);
}
}
return ret;
}
}
void relabel(int n, vector<pair<int, int>> &es) {
shuffle(ALL(es));
vector<int> ord(n);
iota(ALL(ord), 0);
shuffle(ALL(ord));
for (auto &[u, v] : es)
u = ord[u], v = ord[v];
}
template <bool directed, bool multi, bool self>
vector<pair<int, int>> genGraph(int n, int m) {
vector<pair<int, int>> cand, es;
rep(u, 0, n) rep(v, 0, n) {
if (!self and u == v)
continue;
if (!directed and u > v)
continue;
cand.push_back({u, v});
}
if (m == -1)
m = get(SZ(cand));
// chmin(m, SZ(cand));
vector<int> ord;
if (multi)
rep(_, 0, m) ord.push_back(get(SZ(cand) - 1));
else {
ord = select(m, 0, SZ(cand) - 1);
}
for (auto &i : ord)
es.push_back(cand[i]);
relabel(n, es);
return es;
}
vector<pair<int, int>> genTree(int n) {
vector<pair<int, int>> es;
rep(i, 1, n) es.push_back({get(i - 1), i});
relabel(n, es);
return es;
}
}; // namespace Random
/**
* @brief Random
*/
#line 4 "Math/pollard.hpp"
vector<ll> Pollard(ll n) {
if (n <= 1)
return {};
if (Miller(n))
return {n};
if ((n & 1) == 0) {
vector<ll> v = Pollard(n >> 1);
v.push_back(2);
return v;
}
for (ll x = 2, y = 2, d;;) {
ll c = Random::get(2LL, n - 1);
do {
x = (__int128_t(x) * x + c) % n;
y = (__int128_t(y) * y + c) % n;
y = (__int128_t(y) * y + c) % n;
d = __gcd(x - y + n, n);
} while (d == 1);
if (d < n) {
vector<ll> lb = Pollard(d), rb = Pollard(n / d);
lb.insert(lb.end(), ALL(rb));
return lb;
}
}
}
vector<pair<ll, int>> Pollard2(ll n) {
auto ps = Pollard(n);
sort(ALL(ps));
using P = pair<ll, int>;
vector<P> pes;
for (auto &p : ps) {
if (pes.empty() or pes.back().first != p) {
pes.push_back({p, 1});
} else {
pes.back().second++;
}
}
return pes;
}
vector<ll> EnumDivisors(ll n) {
auto pes = Pollard2(n);
vector<ll> ret;
auto rec = [&](auto &rec, int id, ll d) -> void {
if (id == SZ(pes)) {
ret.push_back(d);
return;
}
rec(rec, id + 1, d);
rep(e, 0, pes[id].second) {
d *= pes[id].first;
rec(rec, id + 1, d);
}
};
rec(rec, 0, 1);
sort(ALL(ret));
return ret;
}
/**
* @brief Pollard-Rho
*/
#line 4 "Math/primitive.hpp"
ll mpow(ll a, ll t, ll m) {
ll res = 1;
FastDiv64 im(m);
while (t) {
if (t & 1)
res = im.modulo(__int128_t(res) * a);
a = im.modulo(__int128_t(a) * a);
t >>= 1;
}
return res;
}
ll minv(ll a, ll m) {
ll b = m, u = 1, v = 0;
while (b) {
ll t = a / b;
a -= t * b;
swap(a, b);
u -= t * v;
swap(u, v);
}
u = (u % m + m) % m;
return u;
}
ll getPrimitiveRoot(ll p) {
vector<ll> ps = Pollard(p - 1);
sort(ALL(ps));
rep(x, 1, inf) {
for (auto &q : ps) {
if (mpow(x, (p - 1) / q, p) == 1)
goto fail;
}
return x;
fail:;
}
assert(0);
}
template <typename T> T extgcd(T a, T b, T &p, T &q) {
if (b == 0) {
p = 1;
q = 0;
return a;
}
T d = extgcd(b, a % b, q, p);
q -= a / b * p;
return d;
}
template <typename T> pair<T, T> crt(vector<T> vs, vector<T> ms) {
T V = vs[0], M = ms[0];
rep(i, 1, vs.size()) {
T p, q, v = vs[i], m = ms[i];
if (M < m)
swap(M, m), swap(V, v);
T d = extgcd(M, m, p, q);
if ((v - V) % d != 0)
return {0, -1};
T md = m / d, tmp = (v - V) / d % md * p % md;
V += M * tmp;
M *= md;
}
V = (V % M + M) % M;
return {V, M};
}
ll garner(vector<ll> vs, vector<ll> p, int mod) {
int sz = SZ(vs);
vector<ll> kp(sz + 1), rmul(sz + 1, 1);
p.push_back(mod);
rep(i, 0, sz) {
ll x = (vs[i] - kp[i]) * minv(rmul[i], p[i]) % p[i];
if (x < 0)
x += p[i];
rep(j, i + 1, sz + 1) {
kp[j] += rmul[j] * x;
kp[j] %= p[j];
rmul[j] *= p[i];
rmul[j] %= p[j];
}
}
return kp.back();
}
ll ModLog(ll a, ll b, ll p) {
ll g = 1;
for (ll t = p; t; t >>= 1)
g = g * a % p;
g = __gcd(g, p);
ll t = 1, c = 0;
for (; t % g; c++) {
if (t == b)
return c;
t = t * a % p;
}
if (b % g)
return -1;
t /= g, b /= g;
ll n = p / g, h = 0, gs = 1;
for (; h * h < n; h++)
gs = gs * a % n;
unordered_map<ll, ll> bs;
for (ll s = 0, e = b; s < h; bs[e] = ++s)
e = e * a % n;
for (ll s = 0, e = t; s < n;) {
e = e * gs % n, s += h;
if (bs.count(e)) {
return c + s - bs[e];
}
}
return -1;
}
ll TonelliShanks(ll a, ll p) {
a %= p;
if (a == 0)
return 0;
if (p == 2)
return a;
if (mpow(a, (p - 1) >> 1, p) != 1)
return -1;
ll b = 1;
while (mpow(b, (p - 1) >> 1, p) == 1)
b = Random::get(1LL, p - 1);
ll q = p - 1, k = 0;
while (q % 2 == 0) {
q >>= 1;
k++;
}
ll x = mpow(a, (q + 1) >> 1, p);
b = mpow(b, q, p);
k -= 2;
while (mpow(x, 2, p) != a) {
ll err = minv(a, p) * mpow(x, 2, p) % p;
if (mpow(err, 1 << k, p) != 1)
x = x * b % p;
b = mpow(b, 2, p);
k--;
}
return x;
}
ll mod_root(ll k, ll a, ll m) {
if (a == 0)
return k ? 0 : -1;
if (m == 2)
return a & 1;
k %= m - 1;
ll g = gcd(k, m - 1);
if (mpow(a, (m - 1) / g, m) != 1)
return -1;
a = mpow(a, minv(k / g, (m - 1) / g), m);
FastDiv64 im(m);
auto _subroot = [&](ll p, int e, ll a) -> ll { // x^(p^e)==a(mod m)
ll q = m - 1;
int s = 0;
while (q % p == 0) {
q /= p;
s++;
}
int d = s - e;
ll pe = mpow(p, e, m),
res = mpow(a, ((pe - 1) * minv(q, pe) % pe * q + 1) / pe, m), c = 1;
while (mpow(c, (m - 1) / p, m) == 1)
c++;
c = mpow(c, q, m);
map<ll, ll> mp;
ll v = 1, block = sqrt(d * p) + 1,
bs = mpow(c, mpow(p, s - 1, m - 1) * block % (m - 1), m);
rep(i, 0, block + 1) mp[v] = i, v = im.modulo(i128(v) * bs);
ll gs = minv(mpow(c, mpow(p, s - 1, m - 1), m), m);
rep(i, 0, d) {
ll err = im.modulo(i128(a) * minv(mpow(res, pe, m), m));
ll pos = mpow(err, mpow(p, d - 1 - i, m - 1), m);
rep(j, 0, block + 1) {
if (mp.count(pos)) {
res = im.modulo(i128(res) *
mpow(c,
(block * mp[pos] + j) *
mpow(p, i, m - 1) % (m - 1),
m));
break;
}
pos = im.modulo(i128(pos) * gs);
}
}
return res;
};
for (ll d = 2; d * d <= g; d++)
if (g % d == 0) {
int sz = 0;
while (g % d == 0) {
g /= d;
sz++;
}
a = _subroot(d, sz, a);
}
if (g > 1)
a = _subroot(g, 1, a);
return a;
}
ull floor_root(ull a, ull k) {
if (a <= 1 or k == 1)
return a;
if (k >= 64)
return 1;
if (k == 2)
return sqrtl(a);
constexpr ull LIM = -1;
if (a == LIM)
a--;
auto mul = [&](ull &x, const ull &y) {
if (x <= LIM / y)
x *= y;
else
x = LIM;
};
auto pw = [&](ull x, ull t) -> ull {
ull y = 1;
while (t) {
if (t & 1)
mul(y, x);
mul(x, x);
t >>= 1;
}
return y;
};
ull ret = (k == 3 ? cbrt(a) - 1 : pow(a, nextafter(1 / double(k), 0)));
while (pw(ret + 1, k) <= a)
ret++;
return ret;
}
/**
* @brief Primitive Function
*/
#line 3 "Convolution/ntt.hpp"
template <typename T> struct NTT {
static constexpr int rank2 = __builtin_ctzll(T::get_mod() - 1);
std::array<T, rank2 + 1> root; // root[i]^(2^i) == 1
std::array<T, rank2 + 1> iroot; // root[i] * iroot[i] == 1
std::array<T, std::max(0, rank2 - 2 + 1)> rate2;
std::array<T, std::max(0, rank2 - 2 + 1)> irate2;
std::array<T, std::max(0, rank2 - 3 + 1)> rate3;
std::array<T, std::max(0, rank2 - 3 + 1)> irate3;
NTT() {
T g = getPrimitiveRoot(T::get_mod());
root[rank2] = g.pow((T::get_mod() - 1) >> rank2);
iroot[rank2] = root[rank2].inv();
for (int i = rank2 - 1; i >= 0; i--) {
root[i] = root[i + 1] * root[i + 1];
iroot[i] = iroot[i + 1] * iroot[i + 1];
}
{
T prod = 1, iprod = 1;
for (int i = 0; i <= rank2 - 2; i++) {
rate2[i] = root[i + 2] * prod;
irate2[i] = iroot[i + 2] * iprod;
prod *= iroot[i + 2];
iprod *= root[i + 2];
}
}
{
T prod = 1, iprod = 1;
for (int i = 0; i <= rank2 - 3; i++) {
rate3[i] = root[i + 3] * prod;
irate3[i] = iroot[i + 3] * iprod;
prod *= iroot[i + 3];
iprod *= root[i + 3];
}
}
}
void ntt(std::vector<T> &a, bool type = 0) {
int n = int(a.size());
int h = __builtin_ctzll((unsigned int)n);
a.resize(1 << h);
if (type) {
int len = h; // a[i, i+(n>>len), i+2*(n>>len), ..] is transformed
while (len) {
if (len == 1) {
int p = 1 << (h - len);
T irot = 1;
for (int s = 0; s < (1 << (len - 1)); s++) {
int offset = s << (h - len + 1);
for (int i = 0; i < p; i++) {
auto l = a[i + offset];
auto r = a[i + offset + p];
a[i + offset] = l + r;
a[i + offset + p] =
((unsigned long long)(T::get_mod() + l.v -
r.v) *
irot.v) %
T::get_mod();
}
if (s + 1 != (1 << (len - 1)))
irot *= irate2[__builtin_ctzll(~(unsigned int)(s))];
}
len--;
} else {
// 4-base
int p = 1 << (h - len);
T irot = 1, iimag = iroot[2];
for (int s = 0; s < (1 << (len - 2)); s++) {
T irot2 = irot * irot;
T irot3 = irot2 * irot;
int offset = s << (h - len + 2);
for (int i = 0; i < p; i++) {
auto a0 = 1ULL * a[i + offset + 0 * p].v;
auto a1 = 1ULL * a[i + offset + 1 * p].v;
auto a2 = 1ULL * a[i + offset + 2 * p].v;
auto a3 = 1ULL * a[i + offset + 3 * p].v;
auto a2na3iimag =
1ULL * T((T::get_mod() + a2 - a3) * iimag.v).v;
a[i + offset] = (a0 + a1 + a2 + a3) % T::get_mod();
a[i + offset + 1 * p] =
(a0 + (T::get_mod() - a1) + a2na3iimag) *
irot.v % T::get_mod();
a[i + offset + 2 * p] =
(a0 + a1 + (T::get_mod() - a2) +
(T::get_mod() - a3)) *
irot2.v % T::get_mod();
a[i + offset + 3 * p] =
(a0 + (T::get_mod() - a1) +
(T::get_mod() - a2na3iimag)) *
irot3.v % T::get_mod();
}
if (s + 1 != (1 << (len - 2)))
irot *= irate3[__builtin_ctzll(~(unsigned int)(s))];
}
len -= 2;
}
}
T e = T(n).inv();
for (auto &x : a)
x *= e;
} else {
int len = 0; // a[i, i+(n>>len), i+2*(n>>len), ..] is transformed
while (len < h) {
if (h - len == 1) {
int p = 1 << (h - len - 1);
T rot = 1;
for (int s = 0; s < (1 << len); s++) {
int offset = s << (h - len);
for (int i = 0; i < p; i++) {
auto l = a[i + offset];
auto r = a[i + offset + p] * rot;
a[i + offset] = l + r;
a[i + offset + p] = l - r;
}
if (s + 1 != (1 << len))
rot *= rate2[__builtin_ctzll(~(unsigned int)(s))];
}
len++;
} else {
// 4-base
int p = 1 << (h - len - 2);
T rot = 1, imag = root[2];
for (int s = 0; s < (1 << len); s++) {
T rot2 = rot * rot;
T rot3 = rot2 * rot;
int offset = s << (h - len);
for (int i = 0; i < p; i++) {
auto mod2 = 1ULL * T::get_mod() * T::get_mod();
auto a0 = 1ULL * a[i + offset].v;
auto a1 = 1ULL * a[i + offset + p].v * rot.v;
auto a2 = 1ULL * a[i + offset + 2 * p].v * rot2.v;
auto a3 = 1ULL * a[i + offset + 3 * p].v * rot3.v;
auto a1na3imag =
1ULL * T(a1 + mod2 - a3).v * imag.v;
auto na2 = mod2 - a2;
a[i + offset] = (a0 + a2 + a1 + a3) % T::get_mod();
a[i + offset + 1 * p] =
(a0 + a2 + (2 * mod2 - (a1 + a3))) %
T::get_mod();
a[i + offset + 2 * p] =
(a0 + na2 + a1na3imag) % T::get_mod();
a[i + offset + 3 * p] =
(a0 + na2 + (mod2 - a1na3imag)) % T::get_mod();
}
if (s + 1 != (1 << len))
rot *= rate3[__builtin_ctzll(~(unsigned int)(s))];
}
len += 2;
}
}
}
}
vector<T> mult(const vector<T> &a, const vector<T> &b) {
if (a.empty() or b.empty())
return vector<T>();
int as = a.size(), bs = b.size();
int n = as + bs - 1;
assert(n <= (1 << rank2));
if (as <= 30 or bs <= 30) {
if (as > 30)
return mult(b, a);
vector<T> res(n);
rep(i, 0, as) rep(j, 0, bs) res[i + j] += a[i] * b[j];
return res;
}
int m = 1;
while (m < n)
m <<= 1;
vector<T> res(m);
rep(i, 0, as) res[i] = a[i];
ntt(res);
if (a == b)
rep(i, 0, m) res[i] *= res[i];
else {
vector<T> c(m);
rep(i, 0, bs) c[i] = b[i];
ntt(c);
rep(i, 0, m) res[i] *= c[i];
}
ntt(res, 1);
res.resize(n);
return res;
}
};
/**
* @brief Number Theoretic Transform
*/
#line 4 "Algorithm/wildcardpatternmatching.hpp"
vector<int> WildcardPatternMatching(string &s, string &t, char wild) {
using Fp = fp<998244353>;
NTT<Fp> ntt;
int n = SZ(s), m = SZ(t);
vector<Fp> a(n), a2(n), a3(n);
vector<Fp> b(m), b2(m), b3(m);
rep(i, 0, n) {
Fp x = (s[i] == wild ? 0 : 1);
Fp y = (s[i] == wild ? 0 : (s[i] - 'a' + 1));
a[i] = x;
a2[i] = x * y;
a3[i] = x * y * y;
}
reverse(ALL(t));
rep(i, 0, m) {
Fp x = (t[i] == wild ? 0 : 1);
Fp y = (t[i] == wild ? 0 : (t[i] - 'a' + 1));
b[i] = x;
b2[i] = x * y;
b3[i] = x * y * y;
}
auto ab3 = ntt.mult(a, b3);
auto a2b2 = ntt.mult(a2, b2);
auto a3b = ntt.mult(a3, b);
vector<int> ret;
rep(i, m - 1, n) {
Fp val = ab3[i] + a3b[i] - a2b2[i] * 2;
if (val == 0)
ret.push_back(1);
else
ret.push_back(0);
}
return ret;
}
/**
* @brief Wildcard Pattern Matching
*/