結果
| 問題 |
No.1050 Zero (Maximum)
|
| コンテスト | |
| ユーザー |
stoq
|
| 提出日時 | 2020-05-05 09:50:33 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,427 bytes |
| コンパイル時間 | 1,808 ms |
| コンパイル使用メモリ | 170,108 KB |
| 実行使用メモリ | 13,756 KB |
| 最終ジャッジ日時 | 2024-06-26 02:24:24 |
| 合計ジャッジ時間 | 5,166 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | TLE * 1 -- * 14 |
ソースコード
#define MOD_TYPE 1
#pragma region Macros
#include <bits/stdc++.h>
using namespace std;
/*
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
using multiInt = boost::multiprecision::cpp_int;
using lld = boost::multiprecision::cpp_dec_float_100;
*/
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
using ll = long long int;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pld = pair<ld, ld>;
template <typename Q_type>
using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>;
constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353);
constexpr int INF = (int)1e9;
constexpr ll LINF = (ll)4e18;
constexpr ld PI = acos(-1.0);
constexpr ld EPS = 1e-11;
constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0};
constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0};
#define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i)
#define rep(i, n) REP(i, 0, n)
#define REPI(i, m, n) for (int i = m; i < (int)(n); ++i)
#define repi(i, n) REPI(i, 0, n)
#define MP make_pair
#define MT make_tuple
#define YES(n) cout << ((n) ? "YES" : "NO") << "\n"
#define Yes(n) cout << ((n) ? "Yes" : "No") << "\n"
#define possible(n) cout << ((n) ? "possible" : "impossible") << "\n"
#define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n"
#define Yay(n) cout << ((n) ? "Yay!" : ":(") << "\n"
#define all(v) v.begin(), v.end()
#define NP(v) next_permutation(all(v))
#define dbg(x) cerr << #x << ":" << x << "\n";
inline void init_main()
{
cin.tie(0);
ios::sync_with_stdio(false);
cout << setprecision(30) << setiosflags(ios::fixed);
}
template <typename T>
inline bool chmin(T &a, T b)
{
if (a > b)
{
a = b;
return true;
}
return false;
}
template <typename T>
inline bool chmax(T &a, T b)
{
if (a < b)
{
a = b;
return true;
}
return false;
}
inline ll CEIL(ll a, ll b)
{
return (a + b - 1) / b;
}
#pragma endregion
template <int MOD>
struct Fp
{
long long val;
constexpr Fp(long long v = 0) noexcept : val(v % MOD)
{
if (val < 0)
v += MOD;
}
constexpr int getmod()
{
return MOD;
}
constexpr Fp operator-() const noexcept
{
return val ? MOD - val : 0;
}
constexpr Fp operator+(const Fp &r) const noexcept
{
return Fp(*this) += r;
}
constexpr Fp operator-(const Fp &r) const noexcept
{
return Fp(*this) -= r;
}
constexpr Fp operator*(const Fp &r) const noexcept
{
return Fp(*this) *= r;
}
constexpr Fp operator/(const Fp &r) const noexcept
{
return Fp(*this) /= r;
}
constexpr Fp &operator+=(const Fp &r) noexcept
{
val += r.val;
if (val >= MOD)
val -= MOD;
return *this;
}
constexpr Fp &operator-=(const Fp &r) noexcept
{
val -= r.val;
if (val < 0)
val += MOD;
return *this;
}
constexpr Fp &operator*=(const Fp &r) noexcept
{
val = val * r.val % MOD;
return *this;
}
constexpr Fp &operator/=(const Fp &r) noexcept
{
long long a = r.val, b = MOD, u = 1, v = 0;
while (b)
{
long long t = a / b;
a -= t * b;
swap(a, b);
u -= t * v;
swap(u, v);
}
val = val * u % MOD;
if (val < 0)
val += MOD;
return *this;
}
constexpr bool operator==(const Fp &r) const noexcept
{
return this->val == r.val;
}
constexpr bool operator!=(const Fp &r) const noexcept
{
return this->val != r.val;
}
friend constexpr ostream &operator<<(ostream &os, const Fp<MOD> &x) noexcept
{
return os << x.val;
}
friend constexpr istream &operator>>(istream &is, Fp<MOD> &x) noexcept
{
return is >> x.val;
}
};
Fp<MOD> modpow(const Fp<MOD> &a, long long n) noexcept
{
if (n == 0)
return 1;
auto t = modpow(a, n / 2);
t = t * t;
if (n & 1)
t = t * a;
return t;
}
using mint = Fp<MOD>;
int main()
{
init_main();
int t, i, j;
ll m, k;
cin >> m >> k;
ll c[50][50] = {};
for (i = 0; i < m; i++)
for (t = 0; t < m; t++)
{
c[(i + t) % m][i]++;
c[(i * t) % m][i]++;
}
mint dp_next[50] = {}, dp[50] = {};
dp[0] = 1;
for (t = 0; t < k; t++)
{
for (i = 0; i < m; i++)
for (j = 0; j < m; j++)
dp_next[j] += dp[i] * c[i][j];
for (j = 0; j < m; j++)
{
dp[j] = dp_next[j];
dp_next[j] = 0;
}
}
cout << dp[0] << "\n";
return 0;
}
stoq