結果
| 問題 |
No.2600 Avator Height
|
| コンテスト | |
| ユーザー |
nono00
|
| 提出日時 | 2024-01-12 21:33:50 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 55 ms / 2,000 ms |
| コード長 | 3,372 bytes |
| コンパイル時間 | 3,034 ms |
| コンパイル使用メモリ | 247,476 KB |
| 実行使用メモリ | 6,948 KB |
| 最終ジャッジ日時 | 2024-09-27 21:26:29 |
| 合計ジャッジ時間 | 7,074 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 25 |
ソースコード
#include <bits/stdc++.h>
#include <iostream>
namespace nono {
namespace internal {
constexpr bool is_prime(unsigned long long n) {
for (unsigned long long i = 2; i * i <= n; i++) {
if (n % i == 0) return false;
}
return true;
}
} // namespace internal
template <unsigned long long MOD = 998244353>
class Modint {
public:
static_assert(internal::is_prime(MOD));
constexpr Modint(unsigned long long value = 0): value_(value % MOD) {}
constexpr Modint pow(long long exp) const {
Modint result(1);
Modint base(*this);
while (exp > 0) {
if (exp & 1) {
result *= base;
}
base *= base;
exp >>= 1;
}
return result;
}
constexpr Modint inv() const {
return pow(MOD - 2);
}
void set(unsigned long long value) {
if (value >= MOD) value %= MOD;
value_ = value;
}
unsigned long long get() const {
return value_;
}
friend constexpr bool operator==(const Modint lhs, const Modint rhs) {
return lhs.value_ == rhs.value_;
}
constexpr Modint& operator+=(const Modint other) {
this->value_ += other.value_;
if (this->value_ >= MOD) this->value_ -= MOD;
return *this;
}
constexpr Modint& operator-=(const Modint other) {
this->value_ += MOD - other.value_;
if (this->value_ >= MOD) this->value_ -= MOD;
return *this;
}
constexpr Modint& operator*=(const Modint other) {
this->value_ *= other.value_;
if (this->value_ >= MOD) this->value_ %= MOD;
return *this;
}
constexpr Modint& operator/=(const Modint other) {
return *this *= other.inv();
}
constexpr friend Modint operator+(const Modint lhs, const Modint rhs) {
return Modint(lhs) += rhs;
}
constexpr friend Modint operator-(const Modint lhs, const Modint rhs) {
return Modint(lhs) -= rhs;
}
constexpr friend Modint operator*(const Modint lhs, const Modint rhs) {
return Modint(lhs) *= rhs;
}
constexpr friend Modint operator/(const Modint lhs, const Modint rhs) {
return Modint(lhs) /= rhs;
}
friend std::istream& operator>>(std::istream& stream, Modint& mint) {
unsigned long long value;
stream >> value;
mint.set(value);
return stream;
}
friend std::ostream& operator<<(std::ostream& stream, Modint mint) {
stream << mint.get();
return stream;
}
private:
unsigned long long value_;
};
using Modint998244353 = Modint<998244353>;
using Modint1000000007 = Modint<1000000007>;
} // namespace nono
void solve() {
using Mint = nono::Modint998244353;
const int N = 200005;
std::array<Mint, N> r, e;
r.fill(1);
e.fill(1);
r[1] = 1;
r[2] = 1;
for (int i = 3; i < N; i++) {
r[i] = r[i - 1] + r[i - 2];
}
e[1] = 1;
e[2] = 3;
for (int i = 3; i < N; i++) {
e[i] = e[i - 1] + e[i - 2];
}
int q;
std::cin >> q;
while (q--) {
int n;
std::cin >> n;
std::cout << 5 * r[n].pow(2) - e[n].pow(2) << '\n';
}
}
int main() {
std::cin.tie(0)->sync_with_stdio(0);
std::cout << std::fixed << std::setprecision(16);
int t = 1;
while (t--) solve();
}
nono00