結果

問題 No.1066 #いろいろな色 / Red and Blue and more various colors (Easy)
ユーザー HaarHaar
提出日時 2020-05-29 22:02:04
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 122 ms / 2,000 ms
コード長 4,242 bytes
コンパイル時間 2,179 ms
コンパイル使用メモリ 208,324 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2024-11-06 04:42:09
合計ジャッジ時間 3,854 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge5
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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 2 ms
6,820 KB
testcase_01 AC 2 ms
6,820 KB
testcase_02 AC 2 ms
6,816 KB
testcase_03 AC 2 ms
6,816 KB
testcase_04 AC 2 ms
6,816 KB
testcase_05 AC 2 ms
6,820 KB
testcase_06 AC 2 ms
6,816 KB
testcase_07 AC 2 ms
6,816 KB
testcase_08 AC 46 ms
6,816 KB
testcase_09 AC 2 ms
6,820 KB
testcase_10 AC 118 ms
6,820 KB
testcase_11 AC 27 ms
6,816 KB
testcase_12 AC 21 ms
6,820 KB
testcase_13 AC 28 ms
6,816 KB
testcase_14 AC 29 ms
6,816 KB
testcase_15 AC 80 ms
6,820 KB
testcase_16 AC 13 ms
6,816 KB
testcase_17 AC 15 ms
6,816 KB
testcase_18 AC 74 ms
6,816 KB
testcase_19 AC 26 ms
6,816 KB
testcase_20 AC 2 ms
6,816 KB
testcase_21 AC 56 ms
6,816 KB
testcase_22 AC 2 ms
6,820 KB
testcase_23 AC 2 ms
6,820 KB
testcase_24 AC 2 ms
6,816 KB
testcase_25 AC 122 ms
6,816 KB
testcase_26 AC 105 ms
6,816 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 # 

#include <bits/stdc++.h>

#ifdef DEBUG
#include <Mylib/Debug/debug.cpp>
#else
#define dump(...)
#endif


/**
 * @title modint
 * @docs mint.md
 */
template <uint32_t M> class ModInt{
public:
  constexpr static uint32_t MOD = M;
  uint64_t val;
  
  constexpr ModInt(): val(0){}
  constexpr ModInt(int64_t n){
    if(n >= M) val = n % M;
    else if(n < 0) val = n % M + M;
    else val = n;
  }
  
  inline constexpr auto operator+(const ModInt &a) const {return ModInt(val + a.val);}
  inline constexpr auto operator-(const ModInt &a) const {return ModInt(val - a.val);}
  inline constexpr auto operator*(const ModInt &a) const {return ModInt(val * a.val);}
  inline constexpr auto operator/(const ModInt &a) const {return ModInt(val * a.inv().val);}
  
  inline constexpr auto& operator=(const ModInt &a){val = a.val; return *this;}
  inline constexpr auto& operator+=(const ModInt &a){if((val += a.val) >= M) val -= M; return *this;}
  inline constexpr auto& operator-=(const ModInt &a){if(val < a.val) val += M; val -= a.val; return *this;}
  inline constexpr auto& operator*=(const ModInt &a){(val *= a.val) %= M; return *this;}
  inline constexpr auto& operator/=(const ModInt &a){(val *= a.inv().val) %= M; return *this;}
  
  inline constexpr bool operator==(const ModInt &a) const {return val == a.val;}
  inline constexpr bool operator!=(const ModInt &a) const {return val != a.val;}
  
  inline constexpr auto& operator++(){*this += 1; return *this;}
  inline constexpr auto& operator--(){*this -= 1; return *this;}
  
  inline constexpr auto operator++(int){auto t = *this; *this += 1; return t;}
  inline constexpr auto operator--(int){auto t = *this; *this -= 1; return t;}
  
  inline constexpr static ModInt power(int64_t n, int64_t p){
    if(p < 0) return power(n, -p).inv();
    
    int64_t ret = 1, e = n % M;
    for(; p; (e *= e) %= M, p >>= 1) if(p & 1) (ret *= e) %= M;
    return ret;
  }
  
  inline constexpr static ModInt inv(int64_t a){
    int64_t b = M, u = 1, v = 0;
    
    while(b){
      int64_t t = a / b;
      a -= t * b; std::swap(a,b);
      u -= t * v; std::swap(u,v);
    }
    
    u %= M;
    if(u < 0) u += M;
    
    return u;
  }
  
  inline constexpr static auto frac(int64_t a, int64_t b){return ModInt(a) / ModInt(b);}
  
  inline constexpr auto power(int64_t p) const {return power(val, p);}
  inline constexpr auto inv() const {return inv(val);}
  
  friend inline constexpr auto operator-(const ModInt &a){return ModInt(-a.val);}
  
  friend inline constexpr auto operator+(int64_t a, const ModInt &b){return ModInt(a) + b;}
  friend inline constexpr auto operator-(int64_t a, const ModInt &b){return ModInt(a) - b;}
  friend inline constexpr auto operator*(int64_t a, const ModInt &b){return ModInt(a) * b;}
  friend inline constexpr auto operator/(int64_t a, const ModInt &b){return ModInt(a) / b;}
  
  friend std::istream& operator>>(std::istream &s, ModInt<M> &a){s >> a.val; return s;}
  friend std::ostream& operator<<(std::ostream &s, const ModInt<M> &a){s << a.val; return s;}

  template <int N>
  inline static auto div(){
    static auto value = inv(N);
    return value;
  }

  explicit operator int32_t() const noexcept {return val;}
  explicit operator int64_t() const noexcept {return val;}
};

using mint = ModInt<998244353>;

/**
 * @docs input_vector.md
 */
template <typename T>
std::vector<T> input_vector(int N){
  std::vector<T> ret(N);
  for(int i = 0; i < N; ++i) std::cin >> ret[i];
  return ret;
}

template <typename T>
std::vector<std::vector<T>> input_vector(int N, int M){
  std::vector<std::vector<T>> ret(N);
  for(int i = 0; i < N; ++i) ret[i] = input_vector<T>(M);
  return ret;
}



int main(){
  int N, Q;

  while(std::cin >> N >> Q){
    auto A = input_vector<int>(N);
    auto B = input_vector<int>(Q);

    auto dp = std::vector<std::vector<mint>>(2, std::vector<mint>(N+1));

    dp[0][0] = 1;

    for(int i = 0; i < N; ++i){
      int cur = i % 2;
      int nxt = (i + 1) % 2;
      for(int j = 0; j <= N; ++j){
        dp[nxt][j] += dp[cur][j] * (A[i] - 1);
        if(j + 1 <= N) dp[nxt][j+1] += dp[cur][j];
      }

      dp[cur].assign(N+1, 0);
    }

    for(auto &x : B){
      std::cout << dp[N%2][x] << "\n";
    }
  }

  return 0;
}
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