QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#789903 | #8834. Formal Fring | ucup-team004 | AC ✓ | 37ms | 7024kb | C++23 | 7.6kb | 2024-11-27 22:37:33 | 2024-11-27 22:37:33 |
Judging History
answer
#include <bits/stdc++.h>
using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;
using u128 = unsigned __int128;
template<class T>
constexpr T power(T a, u64 b, T res = 1) {
for (; b != 0; b /= 2, a *= a) {
if (b & 1) {
res *= a;
}
}
return res;
}
template<u32 P>
constexpr u32 mulMod(u32 a, u32 b) {
return u64(a) * b % P;
}
template<u64 P>
constexpr u64 mulMod(u64 a, u64 b) {
u64 res = a * b - u64(1.L * a * b / P - 0.5L) * P;
res %= P;
return res;
}
constexpr i64 safeMod(i64 x, i64 m) {
x %= m;
if (x < 0) {
x += m;
}
return x;
}
constexpr std::pair<i64, i64> invGcd(i64 a, i64 b) {
a = safeMod(a, b);
if (a == 0) {
return {b, 0};
}
i64 s = b, t = a;
i64 m0 = 0, m1 = 1;
while (t) {
i64 u = s / t;
s -= t * u;
m0 -= m1 * u;
std::swap(s, t);
std::swap(m0, m1);
}
if (m0 < 0) {
m0 += b / s;
}
return {s, m0};
}
template<std::unsigned_integral U, U P>
struct ModIntBase {
public:
constexpr ModIntBase() : x(0) {}
template<std::unsigned_integral T>
constexpr ModIntBase(T x_) : x(x_ % mod()) {}
template<std::signed_integral T>
constexpr ModIntBase(T x_) {
using S = std::make_signed_t<U>;
S v = x_ % S(mod());
if (v < 0) {
v += mod();
}
x = v;
}
constexpr static U mod() {
return P;
}
constexpr U val() const {
return x;
}
constexpr ModIntBase operator-() const {
ModIntBase res;
res.x = (x == 0 ? 0 : mod() - x);
return res;
}
constexpr ModIntBase inv() const {
return power(*this, mod() - 2);
}
constexpr ModIntBase &operator*=(const ModIntBase &rhs) & {
x = mulMod<mod()>(x, rhs.val());
return *this;
}
constexpr ModIntBase &operator+=(const ModIntBase &rhs) & {
x += rhs.val();
if (x >= mod()) {
x -= mod();
}
return *this;
}
constexpr ModIntBase &operator-=(const ModIntBase &rhs) & {
x -= rhs.val();
if (x >= mod()) {
x += mod();
}
return *this;
}
constexpr ModIntBase &operator/=(const ModIntBase &rhs) & {
return *this *= rhs.inv();
}
friend constexpr ModIntBase operator*(ModIntBase lhs, const ModIntBase &rhs) {
lhs *= rhs;
return lhs;
}
friend constexpr ModIntBase operator+(ModIntBase lhs, const ModIntBase &rhs) {
lhs += rhs;
return lhs;
}
friend constexpr ModIntBase operator-(ModIntBase lhs, const ModIntBase &rhs) {
lhs -= rhs;
return lhs;
}
friend constexpr ModIntBase operator/(ModIntBase lhs, const ModIntBase &rhs) {
lhs /= rhs;
return lhs;
}
friend constexpr std::istream &operator>>(std::istream &is, ModIntBase &a) {
i64 i;
is >> i;
a = i;
return is;
}
friend constexpr std::ostream &operator<<(std::ostream &os, const ModIntBase &a) {
return os << a.val();
}
friend constexpr bool operator==(const ModIntBase &lhs, const ModIntBase &rhs) {
return lhs.val() == rhs.val();
}
friend constexpr std::strong_ordering operator<=>(const ModIntBase &lhs, const ModIntBase &rhs) {
return lhs.val() <=> rhs.val();
}
private:
U x;
};
template<u32 P>
using ModInt = ModIntBase<u32, P>;
template<u64 P>
using ModInt64 = ModIntBase<u64, P>;
struct Barrett {
public:
Barrett(u32 m_) : m(m_), im((u64)(-1) / m_ + 1) {}
constexpr u32 mod() const {
return m;
}
constexpr u32 mul(u32 a, u32 b) const {
u64 z = a;
z *= b;
u64 x = u64((u128(z) * im) >> 64);
u32 v = u32(z - x * m);
if (m <= v) {
v += m;
}
return v;
}
private:
u32 m;
u64 im;
};
template<u32 Id>
struct DynModInt {
public:
constexpr DynModInt() : x(0) {}
template<std::unsigned_integral T>
constexpr DynModInt(T x_) : x(x_ % mod()) {}
template<std::signed_integral T>
constexpr DynModInt(T x_) {
int v = x_ % int(mod());
if (v < 0) {
v += mod();
}
x = v;
}
constexpr static void setMod(u32 m) {
bt = m;
}
static u32 mod() {
return bt.mod();
}
constexpr u32 val() const {
return x;
}
constexpr DynModInt operator-() const {
DynModInt res;
res.x = (x == 0 ? 0 : mod() - x);
return res;
}
constexpr DynModInt inv() const {
auto v = invGcd(x, mod());
assert(v.first == 1);
return v.second;
}
constexpr DynModInt &operator*=(const DynModInt &rhs) & {
x = bt.mul(x, rhs.val());
return *this;
}
constexpr DynModInt &operator+=(const DynModInt &rhs) & {
x += rhs.val();
if (x >= mod()) {
x -= mod();
}
return *this;
}
constexpr DynModInt &operator-=(const DynModInt &rhs) & {
x -= rhs.val();
if (x >= mod()) {
x += mod();
}
return *this;
}
constexpr DynModInt &operator/=(const DynModInt &rhs) & {
return *this *= rhs.inv();
}
friend constexpr DynModInt operator*(DynModInt lhs, const DynModInt &rhs) {
lhs *= rhs;
return lhs;
}
friend constexpr DynModInt operator+(DynModInt lhs, const DynModInt &rhs) {
lhs += rhs;
return lhs;
}
friend constexpr DynModInt operator-(DynModInt lhs, const DynModInt &rhs) {
lhs -= rhs;
return lhs;
}
friend constexpr DynModInt operator/(DynModInt lhs, const DynModInt &rhs) {
lhs /= rhs;
return lhs;
}
friend constexpr std::istream &operator>>(std::istream &is, DynModInt &a) {
i64 i;
is >> i;
a = i;
return is;
}
friend constexpr std::ostream &operator<<(std::ostream &os, const DynModInt &a) {
return os << a.val();
}
friend constexpr bool operator==(const DynModInt &lhs, const DynModInt &rhs) {
return lhs.val() == rhs.val();
}
friend constexpr std::strong_ordering operator<=>(const DynModInt &lhs, const DynModInt &rhs) {
return lhs.val() <=> rhs.val();
}
private:
u32 x;
static Barrett bt;
};
template<u32 Id>
Barrett DynModInt<Id>::bt = 998244353;
using Z = ModInt<998244353>;
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int n;
std::cin >> n;
std::vector<Z> f(n + 1);
f[0] = 1;
for (int i = 1; i <= n; i++) {
f[i] = f[i - 1];
if (i % 2 == 0) {
f[i] += f[i / 2];
}
}
int l = std::__lg(n + 1);
std::vector<Z> dp(l + 1);
for (int i = 1; i <= l; i++) {
dp[i] = f[(1 << i) - 1];
for (int j = 1; j < i; j++) {
dp[i] -= dp[i - j] * f[(1 << j) - 1];
}
}
for (int i = 1; i <= n; i++) {
int h = std::__lg(i);
Z ans = 0;
for (int j = h; j >= 0 && (i >> j & 1); j--) {
ans += dp[h - j + 1] * f[i & ((1 << j) - 1)];
}
std::cout << ans << " \n"[i == n];
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3612kb
input:
10
output:
1 1 2 1 1 3 6 1 1 2
result:
ok 10 numbers
Test #2:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
70
output:
1 1 2 1 1 3 6 1 1 2 2 5 5 11 26 1 1 2 2 4 4 6 6 11 11 16 16 27 27 53 166 1 1 2 2 4 4 6 6 10 10 14 14 20 20 26 26 37 37 48 48 64 64 80 80 107 107 134 134 187 187 353 1626 1 1 2 2 4 4 6
result:
ok 70 numbers
Test #3:
score: 0
Accepted
time: 37ms
memory: 7024kb
input:
1000000
output:
1 1 2 1 1 3 6 1 1 2 2 5 5 11 26 1 1 2 2 4 4 6 6 11 11 16 16 27 27 53 166 1 1 2 2 4 4 6 6 10 10 14 14 20 20 26 26 37 37 48 48 64 64 80 80 107 107 134 134 187 187 353 1626 1 1 2 2 4 4 6 6 10 10 14 14 20 20 26 26 36 36 46 46 60 60 74 74 94 94 114 114 140 140 166 166 203 203 240 240 288 288 336 336 400 ...
result:
ok 1000000 numbers
Extra Test:
score: 0
Extra Test Passed