結果
問題 | No.2575 Almost Increasing Sequence |
ユーザー |
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提出日時 | 2023-12-03 16:07:58 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 8,852 ms / 10,000 ms |
コード長 | 4,030 bytes |
コンパイル時間 | 1,382 ms |
コンパイル使用メモリ | 132,084 KB |
実行使用メモリ | 6,676 KB |
スコア | 600,000 |
最終ジャッジ日時 | 2023-12-03 16:11:08 |
合計ジャッジ時間 | 189,059 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge12 |
純コード判定しない問題か言語 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 19 |
ソースコード
#ifndef LOCAL#define FAST_IO#endif// ============#include <algorithm>#include <array>#include <bitset>#include <cassert>#include <cmath>#include <cstring>#include <iomanip>#include <iostream>#include <list>#include <map>#include <numeric>#include <queue>#include <random>#include <set>#include <stack>#include <string>#include <tuple>#include <unordered_map>#include <unordered_set>#include <utility>#include <vector>#define OVERRIDE(a, b, c, d, ...) d#define REP2(i, n) for (i32 i = 0; i < (i32)(n); ++i)#define REP3(i, m, n) for (i32 i = (i32)(m); i < (i32)(n); ++i)#define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__)#define PER(i, n) for (i32 i = (i32)(n) - 1; i >= 0; --i)#define ALL(x) begin(x), end(x)using namespace std;using u32 = unsigned int;using u64 = unsigned long long;using i32 = signed int;using i64 = signed long long;using f64 = double;using f80 = long double;template <typename T>using Vec = vector<T>;template <typename T>bool chmin(T &x, const T &y) {if (x > y) {x = y;return true;}return false;}template <typename T>bool chmax(T &x, const T &y) {if (x < y) {x = y;return true;}return false;}#ifdef INT128using u128 = __uint128_t;using i128 = __int128_t;istream &operator>>(istream &is, i128 &x) {i64 v;is >> v;x = v;return is;}ostream &operator<<(ostream &os, i128 x) {os << (i64)x;return os;}istream &operator>>(istream &is, u128 &x) {u64 v;is >> v;x = v;return is;}ostream &operator<<(ostream &os, u128 x) {os << (u64)x;return os;}#endif[[maybe_unused]] constexpr i32 INF = 1000000100;[[maybe_unused]] constexpr i64 INF64 = 3000000000000000100;struct SetUpIO {SetUpIO() {#ifdef FAST_IOios::sync_with_stdio(false);cin.tie(nullptr);#endifcout << fixed << setprecision(15);}} set_up_io;// ============#ifdef DEBUGF#else#define DBG(x) (void) 0#endif#include <atcoder/modint>using M = atcoder::modint998244353;M pwk[30001];M f[30001], invf[30001];M f2[30001], invf2[30001];M s0[30001], s1[30001], s2[30001], s3[30001], s4[30001];M ans[30001];int main() {i32 k;cin >> k;i32 n = 30000;REP(i, n + 1) {pwk[i] = M(i).pow(k);}f[0] = M(1);REP(i, 1, n + 1) {f[i] = f[i - 1] * M(i);}invf[n] = f[n].inv();PER(i, n) {invf[i] = invf[i + 1] * M(i + 1);}REP(i, n + 1) {f2[i] = f[i] * f[i];invf2[i] = invf[i] * invf[i];}REP(a_, 1, n + 1) {M a = M::raw(a_);M a2 = a * a;M a3 = a2 * a;M a4 = a3 * a;if (a_ >= 3) {i32 rem_max = 2 * a_ - 3;i32 i_max = min(n, rem_max + a_ - 3);REP(i, a_, i_max + 1) {i32 rem = i + 3 - a_;M coeff = pwk[a_ - 2] * f2[i] * invf2[a_];M sum;sum += s0[rem];sum += a * s1[rem];sum += a2 * s2[rem];sum += a3 * s3[rem];sum += a4 * s4[rem];ans[i] += coeff * sum;}}if (a_ >= 2) {i32 b_ = a_;REP(c_, 1, b_) {if (b_ + c_ >= n + 1) {break;}i32 idx = b_ + c_;M coeff = invf2[b_] * invf2[c_] * M::raw((b_ - c_) * (b_ - c_));M bpc = M::raw(b_ + c_);M bc = M::raw(b_ * c_);s0[idx] += coeff * bc * bc;s1[idx] -= coeff * M::raw(2) * bc * bpc;s2[idx] += coeff * (bpc * bpc + M::raw(2) * bc);s3[idx] -= coeff * M::raw(2) * bpc;s4[idx] += coeff;}}}cout << n << '\n';REP(i, 1, n + 1) {cout << ans[i].val() << " \n"[i == n];}}