結果
問題 | No.1066 #いろいろな色 / Red and Blue and more various colors (Easy) |
ユーザー | veqcc |
提出日時 | 2020-05-29 22:33:00 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 115 ms / 2,000 ms |
コード長 | 2,610 bytes |
コンパイル時間 | 1,068 ms |
コンパイル使用メモリ | 109,048 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-06 05:59:49 |
合計ジャッジ時間 | 2,717 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 24 |
ソースコード
#include <functional> #include <algorithm> #include <iostream> #include <iomanip> #include <cstring> #include <string> #include <vector> #include <random> #include <bitset> #include <queue> #include <cmath> #include <stack> #include <set> #include <map> typedef long long ll; using namespace std; const ll MOD = 998244353; template <ll mod> class ModInt { ll a; public: constexpr ModInt(const ll a = 0) noexcept : a((a % mod + mod) % mod) {} constexpr ll &value() noexcept { return a; } constexpr ModInt operator + (const ModInt &rhs) const noexcept { return ModInt(*this) += rhs; } constexpr ModInt operator - (const ModInt &rhs) const noexcept { return ModInt(*this) -= rhs; } constexpr ModInt operator * (const ModInt &rhs) const noexcept { return ModInt(*this) *= rhs; } constexpr ModInt operator / (const ModInt &rhs) const noexcept { return ModInt(*this) /= rhs; } constexpr ModInt &operator += (const ModInt &rhs) noexcept { a += rhs.a; if (a >= mod) a -= mod; return *this; } constexpr ModInt &operator -= (const ModInt &rhs) noexcept { a += mod - rhs.a; if (a >= mod) a -= mod; return *this; } constexpr ModInt &operator *= (const ModInt &rhs) noexcept { a = a * rhs.a % mod; return *this; } constexpr ModInt pow(ll t) const noexcept { if (t == 0) return 1; auto ret = pow(t >> 1); ret *= ret; if (t & 1) ret *= *this; return ret; } constexpr ModInt inv() const noexcept { return pow(mod - 2); } constexpr ModInt operator /=(const ModInt &rhs) { return (*this) *= rhs.inv(); } constexpr bool operator == (const ModInt &rhs) const noexcept { return this->a == rhs.a; } constexpr bool operator != (const ModInt &rhs) const noexcept { return this->a != rhs.a; } friend constexpr ostream &operator << (ostream &os, const ModInt &rhs) noexcept { return os << rhs.a; } friend constexpr istream &operator >> (istream &is, ModInt &rhs) { is >> rhs.a; return is; } }; using mint = ModInt<MOD>; int main() { int n, q; cin >> n >> q; vector<mint> a(n); for (int i = 0; i < n; i++) cin >> a[i]; vector<vector<mint>> dp(2, vector<mint>(n + 1, 0)); dp[0][0] = 1; for (int i = 0; i < n; i++) { for (int j = 0; j <= n; j++) { dp[1][j] = dp[0][j] * (a[i] - 1); if (j) dp[1][j] += dp[0][j - 1]; } swap(dp[0], dp[1]); } while (q--) { int b; cin >> b; cout << dp[0][b] << endl; } return 0; }