結果
問題 | No.2791 Beginner Contest |
ユーザー | dadas |
提出日時 | 2024-05-15 17:06:04 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 2,124 bytes |
コンパイル時間 | 2,177 ms |
コンパイル使用メモリ | 201,140 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-21 20:50:46 |
合計ジャッジ時間 | 2,564 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 17 |
ソースコード
#include <bits/stdc++.h> using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); return 0; } using ll = long long; using ull = unsigned long long; using ld = long double; using vi = std::vector<int>; using vvi = std::vector<vi>; using vl = std::vector<ll>; using vii = std::vector<pair<int, int> >; using vvl = std::vector<vl>; using vll = std::vector<pair<ll , ll> >; using vd = std::vector<double>; using vvd = std::vector<vd>; using vs = std::vector<std::string>; using vvs = std::vector<vs>; using vb = std::vector<bool>; using vvb = std::vector<vb>; using vc = std::vector<char>; using vvc = std::vector<vc>; using pii = std::pair<int, int>; using pll = std::pair<ll, ll>; using piil = std::pair<pair<int, int>, ll>; using mii = std::map<int, int>; using mll = std::map<ll, ll>; using pql = std::priority_queue<ll>; using pqi = std::priority_queue<int>; using pqiil = std::priority_queue<pair<pair<int, int>, ll> >; using pqii = std::priority_queue<pair<int, int> >; #define pb push_back #define ps push #define eb emplace_back #define is insert #define er erase #define f first #define s second #define lb lower_bound #define ub upper_bound #define sf(i) sizeof(i) #define endl "\n" #define sz(v) ((int)(v).size()) #define all(v) (v).begin(), (v).end() #define rep(i, L, R) for(ll i = L;i<=R;i++) #define pcis precision template<typename T> struct infinity { static constexpr T max=std::numeric_limits<T>::max(); static constexpr T min=std::numeric_limits<T>::min(); static constexpr T value=std::numeric_limits<T>::max()/2; static constexpr T mvalue=std::numeric_limits<T>::min()/2; }; template<typename T>constexpr T INF=infinity<T>::value; constexpr ll lINF=INF<ll>; constexpr int iINF = INF<int>; constexpr ld PI = 3.1415926535897932384626; ll MOD = 998244353; void _main() { ll N, K; cin >>N >>K; ll DP[N+1], S[N+1]; memset(DP, 0 , sf(DP)); memset(S, 0 , sf(S)); DP[0] = 1; S[0] = 1; for (ll i = 1;i<=N;i++) { ll bef = i-K; if (bef < 0) DP[i] = 0; else DP[i]=S[bef]; S[i] = (S[i-1]+DP[i])%MOD; } cout << S[N] << endl; }