結果
| 問題 |
No.1105 Many Triplets
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-07-03 22:15:17 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 4,049 bytes |
| コンパイル時間 | 1,833 ms |
| コンパイル使用メモリ | 176,452 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-09-17 02:56:30 |
| 合計ジャッジ時間 | 3,029 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 25 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr char newl = '\n';
// https://noshi91.hatenablog.com/entry/2019/03/31/174006
template <std::uint_fast64_t Modulus>
struct ModInt {
using u64 = std::uint_fast64_t;
static constexpr u64 MOD = Modulus;
u64 val;
constexpr ModInt(const u64 x = 0) noexcept : val(x % MOD) {}
constexpr ModInt operator+() const noexcept { return ModInt(*this); }
constexpr ModInt operator-() const noexcept {
ModInt res(*this);
if (res.val != 0) res.val = MOD - res.val;
return res;
}
constexpr bool operator==(const ModInt& rhs) const noexcept { return val == rhs.val; }
constexpr bool operator!=(const ModInt& rhs) const noexcept { return val != rhs.val; }
// prefix increment/decrement
constexpr ModInt& operator++() noexcept { return *this += ModInt(1); }
constexpr ModInt& operator--() noexcept { return *this -= ModInt(1); }
// postfix increment/decrement
constexpr ModInt operator++(int) noexcept {
ModInt tmp(*this);
++*this;
return tmp;
}
constexpr ModInt operator--(int) noexcept {
ModInt tmp(*this);
--*this;
return tmp;
}
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 {
val += rhs.val;
if (val >= MOD) val -= MOD;
return *this;
}
constexpr ModInt& operator-=(const ModInt& rhs) noexcept {
if (val < rhs.val) val += MOD;
val -= rhs.val;
return *this;
}
constexpr ModInt& operator*=(const ModInt& rhs) noexcept {
val = val * rhs.val % MOD;
return *this;
}
// prime Modulus only
constexpr ModInt& operator/=(const ModInt& rhs) noexcept {
return *this *= rhs.inv();
}
// prime Modulus only
constexpr ModInt inv() const noexcept {
return pow(*this, MOD - 2);
}
};
template<std::uint_fast64_t Modulus>
constexpr ModInt<Modulus> pow(ModInt<Modulus> x, std::uint_fast64_t n) {
ModInt<Modulus> res(1);
while (n) {
if (n & 1) res *= x;
x *= x;
n >>= 1;
}
return res;
}
template<std::uint_fast64_t Modulus>
istream& operator>>(istream& is, ModInt<Modulus>& x) {
std::uint_fast64_t val;
is >> val;
x = ModInt<Modulus>(val);
return is;
}
template<std::uint_fast64_t Modulus>
ostream& operator<<(ostream& os, const ModInt<Modulus>& x) {
return os << x.val;
}
using mint = ModInt<1000000007>;
using vec = vector<mint>;
using mat = vector<vec>;
mat mul(const mat& A, const mat& B) {
mat C(A.size(), vec(B[0].size(), 0));
for (int i = 0; i < A.size(); i++) {
for (int k = 0; k < B.size(); k++) {
for (int j = 0; j < B[0].size(); j++) {
C[i][j] += A[i][k] * B[k][j];
}
}
}
return C;
}
mat pow(mat A, ll n) {
mat B(A.size(), vec(A.size(), 0));
for (int i = 0; i < A.size(); i++) {
B[i][i] = 1;
}
while (n > 0) {
if (n & 1) B = mul(B, A);
A = mul(A, A);
n >>= 1;
}
return B;
}
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
mat A = {{1, mint::MOD - 1, 0}, {0, 1, mint::MOD - 1}, {mint::MOD - 1, 0, 1}};
mat B = {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}};
ll n;
cin >> n;
mint a, b, c;
cin >> a >> b >> c;
B = mul(pow(A, n - 1), B);
cout << a * B[0][0] + b * B[0][1] + c * B[0][2] << " ";
cout << a * B[1][0] + b * B[1][1] + c * B[1][2] << " ";
cout << a * B[2][0] + b * B[2][1] + c * B[2][2] << "\n";
return 0;
}