結果

問題 No.1667 Forest
ユーザー Aoxiang CuiAoxiang Cui
提出日時 2021-09-03 22:04:30
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 109 ms / 3,000 ms
コード長 4,194 bytes
コンパイル時間 1,087 ms
コンパイル使用メモリ 118,268 KB
実行使用メモリ 4,384 KB
最終ジャッジ日時 2023-08-21 21:56:00
合計ジャッジ時間 2,580 ms
ジャッジサーバーID
(参考情報)
judge11 / judge12
このコードへのチャレンジ(β)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 109 ms
4,380 KB
testcase_01 AC 108 ms
4,380 KB
testcase_02 AC 106 ms
4,380 KB
testcase_03 AC 2 ms
4,380 KB
testcase_04 AC 105 ms
4,376 KB
testcase_05 AC 63 ms
4,376 KB
testcase_06 AC 39 ms
4,376 KB
testcase_07 AC 25 ms
4,380 KB
testcase_08 AC 13 ms
4,380 KB
testcase_09 AC 8 ms
4,376 KB
testcase_10 AC 5 ms
4,376 KB
testcase_11 AC 2 ms
4,384 KB
testcase_12 AC 2 ms
4,380 KB
testcase_13 AC 2 ms
4,380 KB
testcase_14 AC 1 ms
4,376 KB
testcase_15 AC 2 ms
4,376 KB
testcase_16 AC 2 ms
4,380 KB
testcase_17 AC 2 ms
4,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#define LOCAL
#define _USE_MATH_DEFINES
#include <array>
#include <cassert>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <iomanip>
#include <string>
#include <sstream>
#include <vector>
#include <queue>
#include <stack>
#include <list>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <algorithm>
#include <complex>
#include <cmath>
#include <numeric>
#include <bitset>
#include <functional>
#include <random>
#include <ctime>

using namespace std;

template <typename A, typename B>
ostream& operator <<(ostream& out, const pair<A, B>& a) {
  out << "(" << a.first << "," << a.second << ")";
  return out;
}
template <typename T, size_t N>
ostream& operator <<(ostream& out, const array<T, N>& a) {
  out << "["; bool first = true;
  for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "]";
  return out;
}
template <typename T>
ostream& operator <<(ostream& out, const vector<T>& a) {
  out << "["; bool first = true;
  for (auto v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "]";
  return out;
}
template <typename T, class Cmp>
ostream& operator <<(ostream& out, const set<T, Cmp>& a) {
  out << "{"; bool first = true;
  for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "}";
  return out;
}
template <typename U, typename T, class Cmp>
ostream& operator <<(ostream& out, const map<U, T, Cmp>& a) {
  out << "{"; bool first = true;
  for (auto& p : a) { out << (first ? "" : ", "); out << p.first << ":" << p.second; first = 0;} out << "}";
  return out;
}
#ifdef LOCAL
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
#else
#define trace(...) 42
#endif
template <typename Arg1>
void __f(const char* name, Arg1&& arg1){
  cerr << name << ": " << arg1 << endl;
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args){
  const char* comma = strchr(names + 1, ',');
  cerr.write(names, comma - names) << ": " << arg1 << " |";
  __f(comma + 1, args...);
}

template <class T> auto vect(const T& v, int n) { return vector<T>(n, v); }
template <class T, class... D> auto vect(const T& v, int n, D... m) {
  return vector<decltype(vect(v, m...))>(n, vect(v, m...));
}

typedef long long int64;
typedef pair<int, int> ii;
#define SZ(x) (int)((x).size())
template <typename T> static constexpr T inf = numeric_limits<T>::max() / 2;
const int MOD = 1e9 + 7;
// const int MOD = 998244353;
mt19937 mrand(random_device{}());
int rnd(int x) { return mrand() % x; }
// mt19937_64 mrand(random_device{}());
// int64 rnd(int64 x) { return mrand() % x; }
template <class T> void out(const vector<T>& a) { for (int i = 0; i < SZ(a); ++i) cout << a[i] << " \n"[i + 1 == SZ(a)]; }
template <class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template <class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
template <class T> void dedup(vector<T>& v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); }
void add(int& x, int y) { x += y; if (x >= MOD) x -= MOD; }

struct fast_ios {
  fast_ios() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
  };
} fast_ios_;

int64 power_mod(int64 a, int64 n, int p = MOD) {
  int64 ret = 1;
  for (; n; n >>= 1) {
    if (n & 1) ret = ret * a % p;
    a = a * a % p;
  }
  return ret;
}

int main() {
  int n, mod;
  cin >> n >> mod;

  auto C = vect<int>(0, n + 1, n + 1);
  for (int i = 0; i <= n; ++i) {
    C[i][0] = C[i][i] = 1;
    for (int j = 1; j < i; ++j) {
      C[i][j] = (C[i - 1][j - 1] + C[i - 1][j]) % mod;
    }
  }

  vector<int> g(n + 1, 1);
  for (int k = 2; k <= n; ++k) g[k] = power_mod(k, k - 2, mod);
  auto dp = vect<int>(0, n + 1, n);

  dp[0][0] = 1;
  for (int i = 1; i <= n; ++i) {
    for (int j = 0; j < i; ++j) {
      for (int k = 1; k <= i && k - 1 <= j; ++k) {
        // trace(i, j, k);
        dp[i][j] += 1LL * dp[i - k][j - k + 1] * g[k] % mod * C[i - 1][k - 1] % mod;
        if (dp[i][j] >= mod) dp[i][j] -= mod;
      }
      // trace(i, j, dp[i][j]);
    }
  }

  for (int i = 0; i < n; ++i) {
    cout << dp[n][i] << '\n';
  }
  return 0;
}
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