Submission #67457969
Source Code Expand
#ifndef HIDDEN_IN_VS // 折りたたみ用
// 警告の抑制
#define _CRT_SECURE_NO_WARNINGS
// ライブラリの読み込み
#include <bits/stdc++.h>
using namespace std;
// 型名の短縮
using ll = long long; using ull = unsigned long long; // -2^63 ~ 2^63 = 9e18(int は -2^31 ~ 2^31 = 2e9)
using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vvvvi = vector<vvvi>;
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vvvvl = vector<vvvl>;
using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;
using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>;
using Graph = vvi;
// 定数の定義
const double PI = acos(-1);
int DX[4] = { 1, 0, -1, 0 }; // 4 近傍(下,右,上,左)
int DY[4] = { 0, 1, 0, -1 };
int INF = 1001001001; ll INFL = 4004004003094073385LL; // (int)INFL = INF, (int)(-INFL) = -INF;
// 入出力高速化
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp;
// 汎用マクロの定義
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), (x)))
#define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), (x)))
#define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");}
#define rep(i, n) for(int i = 0, i##_len = int(n); i < i##_len; ++i) // 0 から n-1 まで昇順
#define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s から t まで昇順
#define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s から t まで降順
#define repe(v, a) for(const auto& v : (a)) // a の全要素(変更不可能)
#define repea(v, a) for(auto& v : (a)) // a の全要素(変更可能)
#define repb(set, d) for(int set = 0, set##_ub = 1 << int(d); set < set##_ub; ++set) // d ビット全探索(昇順)
#define repis(i, set) for(int i = lsb(set), bset##i = set; i < 32; bset##i -= 1 << i, i = lsb(bset##i)) // set の全要素(昇順)
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a の順列全て(昇順)
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} // 重複除去
#define EXIT(a) {cout << (a) << endl; exit(0);} // 強制終了
#define inQ(x, y, u, l, d, r) ((u) <= (x) && (l) <= (y) && (x) < (d) && (y) < (r)) // 半開矩形内判定
// 汎用関数の定義
template <class T> inline ll powi(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; }
template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // 最大値を更新(更新されたら true を返す)
template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // 最小値を更新(更新されたら true を返す)
template <class T> inline T getb(T set, int i) { return (set >> i) & T(1); }
template <class T> inline T smod(T n, T m) { n %= m; if (n < 0) n += m; return n; } // 非負mod
// 演算子オーバーロード
template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; }
template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; }
#endif // 折りたたみ用
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#ifdef _MSC_VER
#include "localACL.hpp"
#endif
using mint = modint998244353;
//using mint = static_modint<(int)1e9+7>;
//using mint = modint; // mint::set_mod(m);
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; using pim = pair<int, mint>;
#endif
#ifdef _MSC_VER // 手元環境(Visual Studio)
#include "local.hpp"
#else // 提出用(gcc)
int mute_dump = 0;
int frac_print = 0;
#if __has_include(<atcoder/all>)
namespace atcoder {
inline istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
inline ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
}
#endif
inline int popcount(int n) { return __builtin_popcount(n); }
inline int popcount(ll n) { return __builtin_popcountll(n); }
inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : 32; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : 64; }
inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; }
inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; }
#define dump(...)
#define dumpel(v)
#define dump_math(v)
#define input_from_file(f)
#define output_to_file(f)
#define Assert(b) { if (!(b)) { vc MLE(1<<30); EXIT(MLE.back()); } } // RE の代わりに MLE を出す
#endif
int main() {
// input_from_file("input.txt");
// output_to_file("output.txt");
int n;
cin >> n;
// 13 項で漸化式を復元できたが,愚直列挙が間に合う量ではない.
// となると激遅漸化式を立てて計算するくらいだろうが,それなら項数をケチる必要はない.
vm dp{ -1, 1, 6, 47, 420, 4059, 41316, 436345, 4737018, 52535950, 592667532, \
6779699073, 78458218746, 916886214115 };
auto dpsub = [&](const mint& x) { return dp[x.val()]; };
auto Power = [&](const mint& x, int n) { mint res = 1; rep(hoge, n) res *= x; return res; };
dp.resize(n + 1);
repi(i, 6, n) {
mint nn = i;
dp[i] = (20 * (-3 + 2 * nn) * (-650 * (-3 + nn) * (-5 + 2 * nn) * dpsub(-3 + nn) - 3 * (1388 + nn * (-1389 + 341 * nn)) * dpsub(-2 + nn)) +
6 * (-2 + 3 * nn) * (454 + nn * (-695 + 249 * nn)) * dpsub(-1 + nn)) / (9 * nn * (-1 + 9 * Power(nn, 2)));
}
EXIT(dp[n]);
}
Submission Info
| Submission Time |
|
| Task |
H - Beautiful Binary Tree |
| User |
ecottea |
| Language |
C++ 23 (gcc 12.2) |
| Score |
600 |
| Code Size |
6329 Byte |
| Status |
AC |
| Exec Time |
1276 ms |
| Memory |
42624 KiB |
Judge Result
| Set Name |
Sample |
All |
| Score / Max Score |
0 / 0 |
600 / 600 |
| Status |
|
|
| Set Name |
Test Cases |
| Sample |
00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt |
| All |
00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 01_small_00.txt, 01_small_01.txt, 01_small_02.txt, 01_small_03.txt, 01_small_04.txt, 01_small_05.txt, 01_small_06.txt, 01_small_07.txt, 02_medium_00.txt, 02_medium_01.txt, 02_medium_02.txt, 02_medium_03.txt, 02_medium_04.txt, 02_medium_05.txt, 02_medium_06.txt, 02_medium_07.txt, 02_medium_08.txt, 02_medium_09.txt, 03_large_00.txt, 03_large_01.txt, 03_large_02.txt, 03_large_03.txt, 03_large_04.txt, 04_max_00.txt, 04_max_01.txt, 04_max_02.txt, 05_random_00.txt, 05_random_01.txt, 05_random_02.txt, 05_random_03.txt, 05_random_04.txt |
| Case Name |
Status |
Exec Time |
Memory |
| 00_sample_00.txt |
AC |
1 ms |
3692 KiB |
| 00_sample_01.txt |
AC |
1 ms |
3488 KiB |
| 00_sample_02.txt |
AC |
1 ms |
3504 KiB |
| 00_sample_03.txt |
AC |
30 ms |
4500 KiB |
| 01_small_00.txt |
AC |
1 ms |
3688 KiB |
| 01_small_01.txt |
AC |
1 ms |
3496 KiB |
| 01_small_02.txt |
AC |
1 ms |
3552 KiB |
| 01_small_03.txt |
AC |
1 ms |
3388 KiB |
| 01_small_04.txt |
AC |
1 ms |
3556 KiB |
| 01_small_05.txt |
AC |
1 ms |
3572 KiB |
| 01_small_06.txt |
AC |
1 ms |
3572 KiB |
| 01_small_07.txt |
AC |
1 ms |
3572 KiB |
| 02_medium_00.txt |
AC |
1 ms |
3504 KiB |
| 02_medium_01.txt |
AC |
1 ms |
3504 KiB |
| 02_medium_02.txt |
AC |
1 ms |
3564 KiB |
| 02_medium_03.txt |
AC |
1 ms |
3556 KiB |
| 02_medium_04.txt |
AC |
1 ms |
3576 KiB |
| 02_medium_05.txt |
AC |
1 ms |
3696 KiB |
| 02_medium_06.txt |
AC |
1 ms |
3692 KiB |
| 02_medium_07.txt |
AC |
1 ms |
3440 KiB |
| 02_medium_08.txt |
AC |
1 ms |
3568 KiB |
| 02_medium_09.txt |
AC |
1 ms |
3504 KiB |
| 03_large_00.txt |
AC |
1065 ms |
36004 KiB |
| 03_large_01.txt |
AC |
1165 ms |
39240 KiB |
| 03_large_02.txt |
AC |
1021 ms |
34860 KiB |
| 03_large_03.txt |
AC |
1243 ms |
41568 KiB |
| 03_large_04.txt |
AC |
807 ms |
28116 KiB |
| 04_max_00.txt |
AC |
1276 ms |
42568 KiB |
| 04_max_01.txt |
AC |
1276 ms |
42624 KiB |
| 04_max_02.txt |
AC |
1275 ms |
42552 KiB |
| 05_random_00.txt |
AC |
417 ms |
16216 KiB |
| 05_random_01.txt |
AC |
730 ms |
25860 KiB |
| 05_random_02.txt |
AC |
610 ms |
22228 KiB |
| 05_random_03.txt |
AC |
1074 ms |
36364 KiB |
| 05_random_04.txt |
AC |
225 ms |
10408 KiB |