結果
問題 | No.1066 #いろいろな色 / Red and Blue and more various colors (Easy) |
ユーザー | Imperi_Night |
提出日時 | 2020-05-29 21:55:21 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 99 ms / 2,000 ms |
コード長 | 3,688 bytes |
コンパイル時間 | 1,714 ms |
コンパイル使用メモリ | 135,508 KB |
最終ジャッジ日時 | 2025-01-10 17:05:30 |
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
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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 <algorithm> #include <array> #include <bitset> #include <cassert> #include <cctype> #include <cstdint> #include <cstdlib> #include <cmath> #include <complex> #include <chrono> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <memory> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <type_traits> #include <unordered_map> #include <vector> #include <random> #include <utility> #include <limits> #include <list> /* template start */ #define rep(i, a, b) for (long long i = (a); (i) < (b); (i)++) #define all(i) i.begin(), i.end() #ifdef LOCAL #define debug(...) std::cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define debug(...) #endif void debug_out(){std::cerr<<std::endl;} template<typename Head,typename... Tail> void debug_out(Head h,Tail... t){ std::cerr<<" "<<h; if(sizeof...(t)>0)std::cout<<" :"; debug_out(t...); } template <typename T1, typename T2> std::ostream& operator<<(std::ostream& os, std::pair<T1, T2> pa) { return os << pa.first << " " << pa.second; } template <typename T> std::ostream& operator<<(std::ostream& os, std::vector<T> vec) { for (std::size_t i = 0; i < vec.size(); i++)os << vec[i] << (i + 1 == vec.size() ? "" : " "); return os; } template<typename T1,typename T2> inline bool chmax(T1& a,T2 b){return a<b && (a=b,true);} template<typename T1,typename T2> inline bool chmin(T1& a,T2 b){return a>b && (a=b,true);} template<typename Num> constexpr Num mypow(Num a, long long b) { if(b==0)return 1; if (a==0)return 0; Num x = 1; while (b > 0) { if(b & 1)x*=a; a*=a; b >>= 1; } return x; } template <std::uint_fast64_t Modulus> class modint { using u64 = std::uint_fast64_t; public: u64 a; constexpr modint(const u64 x = 0) noexcept : a(x % Modulus) {} constexpr u64 &value() noexcept { return a; } constexpr const u64 &value() const noexcept { return a; } constexpr bool operator==(const modint rhs) const noexcept {return a==rhs.a;} constexpr bool operator!=(const modint rhs) const noexcept {return !(*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) const noexcept { return modint(*this) /= rhs; } constexpr modint &operator+=(const modint rhs) noexcept { a += rhs.a; if (a >= Modulus) { a -= Modulus; } return *this; } constexpr modint &operator-=(const modint rhs) noexcept { if (a < rhs.a) { a += Modulus; } a -= rhs.a; return *this; } constexpr modint &operator*=(const modint rhs) noexcept { a = a * rhs.a % Modulus; return *this; } constexpr modint &operator/=(modint rhs) noexcept { u64 exp = Modulus - 2; while (exp) { if (exp % 2) { *this *= rhs; } rhs *= rhs; exp /= 2; } return *this; } }; /* template end */ using ll = long long; constexpr ll MOD=998244353; using mint=modint<MOD>; int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); ll n,q; std::cin>>n>>q; std::vector<ll> a(n); for(auto&& e:a)std::cin>>e; std::vector<mint> prev(n+1,0),dp(n+1,0); prev[0]=1; rep(i,0,n){ rep(j,0,n+1)dp[j]=prev[j]*(a[i]-1); rep(j,1,n+1)dp[j]+=prev[j-1]; prev=dp; } rep(i,0,q){ ll b; std::cin>>b; std::cout<<dp[b].value()<<"\n"; } return 0; }