結果
問題 | No.2951 Similar to Mex |
ユーザー |
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提出日時 | 2024-10-25 21:39:59 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,830 bytes |
コンパイル時間 | 2,346 ms |
コンパイル使用メモリ | 202,752 KB |
最終ジャッジ日時 | 2025-02-24 22:55:08 |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 28 WA * 14 |
ソースコード
#include <bits/stdc++.h>using namespace std;using ll=long long;using ld=long double;const ll ILL=2167167167167167167;const int INF=2100000000;#define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++)#define all(p) p.begin(),p.end()template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>;template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();}template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();}template<class T> bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;}template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;}template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());}template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});}bool yneos(bool a,bool upp=0){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;}template<class T> void vec_out(vector<T> &p,int ty=0){if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";}else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}}template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;}template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;}template<class T> T vec_sum(vector<T> &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;}int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;}template<class T> bool inside(T l,T x,T r){return l<=x&&x<r;}#include <atcoder/modint>using mint = atcoder::modint998244353;void solve();// CYAN / FREDERICint main() {ios::sync_with_stdio(false);cin.tie(nullptr);int t = 1;// cin >> t;rep(i, 0, t) solve();}void solve(){int N, M, K;cin >> N >> M >> K;vector dp(M + 2, vector<mint>(M + 2));dp[0][0] = 1;const int L = 400;vector p(L, vector<mint>(L));rep(i, 0, L){p[i][0] = 1;rep(j, 1, L) p[i][j] = p[i][j - 1] * i;}rep(i, 0, M + 1) rep(j, 0, M + 1) if (dp[i][j].val() != 0) rep(k, i + 1, M + 2){if (k == i + 1){// cout << i << " " << j << " " << dp[i][j].val() << "\n";}mint tmp = dp[i][j];tmp *= p[k][min(K, k) - min(i, K)];dp[k][j + k - i - 1] += tmp;}vector<mint> dp2(M + 1);dp2[0] = 1;rep(i, 0, N){vector<mint> ndp2(M + 1);rep(j, 0, M + 1){if (j != M) ndp2[j + 1] += dp2[j] * (j + 1);ndp2[j] += dp2[j] * j;}swap(ndp2, dp2);}mint ans = 0;rep(i, 0, M + 1){ans += dp2[i] * dp[M + 1][i];}cout << ans.val() << "\n";}