結果
問題 |
No.1100 Boxes
|
ユーザー |
![]() |
提出日時 | 2025-09-09 22:36:56 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 104 ms / 2,000 ms |
コード長 | 2,960 bytes |
コンパイル時間 | 6,506 ms |
コンパイル使用メモリ | 333,952 KB |
実行使用メモリ | 11,008 KB |
最終ジャッジ日時 | 2025-09-09 22:37:06 |
合計ジャッジ時間 | 9,222 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 * 4 |
other | AC * 36 |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; using mint=static_modint<998244353>; //using mint = modint; //using mint=static_modint<1000000007>; using ll=long long; using ull=unsigned long long; using pl=pair<ll,ll>; using vl=vector<ll>; #define rep(i,n) for(ll i=0;i<(ll)(n);++i) #define reps(i,s,n) for(ll i=(s);i<(ll)(n);++i) #define rep1(i,n) for(ll i=1;i<=(ll)(n);++i) #define fi first #define se second #define pb push_back #define eb emplace_back #define be(v) (v).begin(),(v).end() const ll INF=4e18; template<typename T>inline ll at(T&w){return w.size();} #ifdef DEBUG template<typename T> void check_range(T&w,auto&&a,const source_location& l){ if(a<0||a>=at(w)){ cerr<<"OORange! line "<<l.line()<<" col "<<l.column()<<" index "<<a<<" size "<<w.size()<<" func "<<l.function_name()<<endl; assert(false); } } template<typename T> decltype(auto)at(T&w,auto&&a,const source_location&l=source_location::current()){ check_range(w,a,l); // if slower, delete it. return w[a]; } template<typename T> decltype(auto)at(T&w,auto&&a,auto&&b,const source_location&l=source_location::current()){ return at(at(w,a,l),b,l); } template<typename T> decltype(auto)at(T&w,auto&&a,auto&&b,auto&&c,const source_location&l=source_location::current()){ return at(at(w,a,b,l),c,l); } template<typename T> decltype(auto)at(T&w,auto&&a,auto&&b,auto&&c,auto&&d,const source_location&l=source_location::current()){ return at(at(w,a,b,c,l),d,l); } template<typename T> decltype(auto)at(T&w,pl a,const source_location&l=source_location::current()){ return at(w,a.fi,a.se,l); } #else template<typename T>inline decltype(auto)at(T&w,auto&&a){return w[a];} template<typename T>inline decltype(auto)at(T&w,auto&&a,auto&&b){return w[a][b];} template<typename T>inline decltype(auto)at(T&w,auto&&a,auto&&b,auto&&c){return w[a][b][c];} template<typename T>inline decltype(auto)at(T&w,auto&&a,auto&&b,auto&&c,auto&&d){return w[a][b][c][d];} template<typename T>inline decltype(auto)at(T&w,pl a){return w[a.fi][a.se];} #endif #ifdef DEBUG #include <debug.hpp> #else #define show(...) #endif auto logic(){ ll N,K; cin>>N>>K; vector<mint>g(K+1,1),h(K+1),nf(K+1,1); mint now=1; ll sign=-1; rep1(i,K){ now*=mint(i).inv(); at(g,i)=now*sign; sign=-sign; at(nf,i)=at(nf,i-1)*i; at(h,i)=mint(i).pow(N); at(h,i)*=at(nf,i).inv(); show("i",i,"nf",at(nf,i)); } auto f0=convolution(g,h); show("g",g); show("h",h); show("f0",f0); vector<mint>odd(K+1); for(ll i=1;i<=K;i+=2){ at(odd,i)=mint(at(nf,i)).inv(); } auto f1=convolution(f0,odd); mint ans=at(f1,K)*at(nf,K); cout<<ans.val()<<endl; return; } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); ll t=1; //cin>>t; rep(i,t)logic(); //string a;rep(i,t)logic()?a+="Yes\n":a+="No\n";cout<<a; //string a;rep(i,t){a+=to_string(logic())+"\n";}cout<<a; //string a;rep(i,t){a+=logic();}cout<<a; return 0; } //cout << fixed << setprecision(15);