結果
問題 | No.1693 Invasion |
ユーザー | eQe |
提出日時 | 2022-06-01 04:29:06 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 28 ms / 2,000 ms |
コード長 | 4,984 bytes |
コンパイル時間 | 4,416 ms |
コンパイル使用メモリ | 286,332 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-21 01:26:57 |
合計ジャッジ時間 | 5,624 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 21 ms
6,948 KB |
testcase_10 | AC | 20 ms
6,940 KB |
testcase_11 | AC | 10 ms
6,944 KB |
testcase_12 | AC | 21 ms
6,940 KB |
testcase_13 | AC | 9 ms
6,940 KB |
testcase_14 | AC | 11 ms
6,940 KB |
testcase_15 | AC | 7 ms
6,944 KB |
testcase_16 | AC | 12 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 28 ms
6,944 KB |
testcase_19 | AC | 16 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 27 ms
6,940 KB |
testcase_22 | AC | 27 ms
6,940 KB |
testcase_23 | AC | 27 ms
6,940 KB |
ソースコード
#include<atcoder/all> #include<bits/stdc++.h> using namespace atcoder; using namespace std; #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fin(a) return pt(a) using ll=long long; using ld=long double; using v1=vector<ll>; using v2=vector<v1>; using v3=vector<v2>; using v4=vector<v3>; using pll=pair<ll,ll>; using mll=map<ll,ll>; ll inf=3e18; ld pi=acos(-1); ld eps=1e-10; template<class T>using ascending_priority_queue=std::priority_queue<T,vector<T>,greater<T>>; template<class T>using descending_priority_queue=std::priority_queue<T>; template<class T>bool chmax(T&a,const T&b){if(a<b){a=b;return 1;}return 0;} template<class T>bool chmin(T&a,const T&b){if(b<a){a=b;return 1;}return 0;} template<class T>T max(const vector<T>&a){return *max_element(all(a));} template<class T>T min(const vector<T>&a){return *min_element(all(a));} template<class T>T sum(const vector<T>&a){return accumulate(all(a),T(0));} template<class T>T popcnt(T a){return __builtin_popcountll(a);} template<class T>pll mima(const T&a,const T&b){return {min(a,b),max(a,b)};} ostream&operator<<(ostream&os,const modint1000000007&x){os<<x.val();return os;} ostream&operator<<(ostream&os,const modint998244353&x){os<<x.val();return os;} ostream&operator<<(ostream&os,const modint&x){os<<x.val();return os;} template<class T1,class T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.first>>p.second;return is;} template<class T1,class T2>ostream&operator<<(ostream&os,const pair<T1,T2>&p){os<<p.first<<" "<<p.second;return os;} template<class T>istream&operator>>(istream&is,vector<T>&v){for(T&x:v)is>>x;return is;} template<class T>ostream&operator<<(ostream&os,const vector<T>&v){for(int i=0;i<(int)v.size();i++){os<<v[i]<<(i+1==(int)v.size()?"":" ");}return os;} template<class...A>int pt_rest(){cout<<'\n';return 0;} template<class...A>int pt(){cout<<'\n';return 0;} template<class T,class...A>int pt_rest(const T&first,const A&...rest){cout<<" "<<first;pt_rest(rest...);return 0;} template<class T,class...A>int pt(const T&first,const A&...rest){cout<<first;pt_rest(rest...);return 0;} template<class V,class H>void resize(vector<V>&vec,const H head){vec.resize(head);} template<class V,class H,class...T>void resize(vector<V>&vec,const H&head,const T...tail){vec.resize(head);for(auto&v:vec)resize(v,tail...);} template<class V,class T>void fill(V&x,const T&val){x=val;} template<class V,class T>void fill(vector<V>&vec,const T&val){for(auto&v:vec)fill(v,val);} template<class H>void vin(istream&is,const int idx,vector<H>&head){is>>head[idx];} template<class H,class...T>void vin(istream&is,const int idx,vector<H>&head,T&...tail){vin(is>>head[idx],idx,tail...);} template<class H,class...T>void vin(istream&is,vector<H>&head,T&...tail){for(int i=0;i<(int)head.size();i++)vin(is,i,head,tail...);} template<class H,class...T>void vin(vector<H>&head,T&...tail){vin(cin,head,tail...);} template<class H>void sin(istream&is,H&head){is>>head;} template<class H,class...T>void sin(istream&is,H&head,T&...tail){sin(is>>head,tail...);} template<class H,class...T>void sin(H&head,T&...tail){sin(cin,head,tail...);} v1 divisor(ll n){mll m;for(ll i=1;i*i<=n;i++)if(n%i==0){m[i]++;m[n/i]++;}v1 v;for(auto[x,_]:m)v.emplace_back(x);return v;} mll factor(ll n){mll m;for(ll i=2;i*i<=n;i++)while(n%i==0){m[i]++;n/=i;}if(n>1)m[n]++;return m;} ll lsqrt(ll x){assert(x>=0);if(x<=1)return x;ll r=sqrt(x)-1;while((r+1)<=x/(r+1))r++;return r;}; using S=ll; S op(S a,S b){return a+b;} S e(){return 0;} template<class T>struct Combination{ vector<T>fa,rfa,bs; vector<vector<pair<bool,T>>>mp; ll LIM=5000; Combination(ll n){ fa.resize(n+1); rfa.resize(n+1); fa[0]=rfa[0]=1; for(ll i=1;i<=n;i++)fa[i]=fa[i-1]*i; for(ll i=1;i<=n;i++)rfa[i]=rfa[i-1]/i; bs.resize(n+1); bs[0]=1; for(ll i=1;i<=n;i++)bs[i]=bs[i-1]+T(-1).pow(i&1)*rfa[i]; if(n<=LIM)mp.resize(n+1,vector<pair<bool,T>>(n+1)); } T C(ll n,ll k){return n<k||n<0||k<0?0:fa[n]*rfa[k]*rfa[n-k];} T P(ll n,ll k){return C(n,k)*fa[k];} T H(ll n,ll k){return C(n-1+k,k);} T S(ll n,ll k){ T res=0; for(ll i=0;i<=k;i++)res+=T(-1).pow((k-i)&1)*C(k,i)*T(i).pow(n); res*=rfa[k]; return res; } T B(ll n,ll k){ T res=0; for(ll i=0;i<=k;i++)res+=T(i).pow(n)*rfa[i]*bs[k-i]; return res; } T p(ll n,ll k){//自然数nをk個の"0"以上の整数に分割する方法 if(n==0 and k==0)return 1; if(k==0)return 0; if(mp[n][k].first)return mp[n][k].second; if(n-k>=0)return (mp[n][k]={true,p(n,k-1)+p(n-k,k)}).second; return (mp[n][k]={true,p(n,k-1)}).second; } }; int main(void){ cin.tie(nullptr); ios::sync_with_stdio(false); ll N,M;sin(N,M); v1 a(N);cin>>a; sort(all(a)); v1 dp(M+1,inf); dp[0]=0; for(ll i=0;i<N;i++)for(ll j=0;j<=M;j++)if(j+a[i]<=M)chmin(dp[j+a[i]],dp[j]+1); using mint=modint998244353; Combination<mint>com(M); mint ans=0; for(ll k=0;k<=M;k++)ans+=com.C(M-dp[k],k-dp[k]); pt(ans); }