結果
問題 | No.1688 Veterinarian |
ユーザー | PCTprobability |
提出日時 | 2021-09-24 22:51:39 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 355 ms / 3,000 ms |
コード長 | 8,876 bytes |
コンパイル時間 | 6,717 ms |
コンパイル使用メモリ | 308,164 KB |
実行使用メモリ | 402,508 KB |
最終ジャッジ日時 | 2024-07-05 11:07:47 |
合計ジャッジ時間 | 11,778 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 318 ms
402,164 KB |
testcase_01 | AC | 317 ms
402,208 KB |
testcase_02 | AC | 324 ms
402,284 KB |
testcase_03 | AC | 316 ms
402,364 KB |
testcase_04 | AC | 319 ms
402,464 KB |
testcase_05 | AC | 317 ms
402,276 KB |
testcase_06 | AC | 315 ms
402,408 KB |
testcase_07 | AC | 317 ms
402,360 KB |
testcase_08 | AC | 352 ms
402,236 KB |
testcase_09 | AC | 355 ms
402,200 KB |
testcase_10 | AC | 326 ms
402,276 KB |
testcase_11 | AC | 323 ms
402,216 KB |
testcase_12 | AC | 320 ms
402,416 KB |
testcase_13 | AC | 323 ms
402,508 KB |
testcase_14 | AC | 319 ms
402,312 KB |
testcase_15 | AC | 329 ms
402,432 KB |
testcase_16 | AC | 321 ms
402,444 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("Ofast") #include <bits/stdc++.h> #include <unistd.h> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using ll = long long; using ld = long double; using ull = unsigned long long; #define endl "\n" typedef pair<int, int> Pii; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i)) #define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++) #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(x) begin(x), end(x) #define all(s) (s).begin(),(s).end() //#define rep2(i, m, n) for (int i = (m); i < (n); ++i) //#define rep(i, n) rep2(i, 0, n) #define PB push_back #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define rever(vec) reverse(vec.begin(), vec.end()) #define sor(vec) sort(vec.begin(), vec.end()) //#define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++) #define fi first #define se second #define pb push_back #define P pair<ll,ll> #define PQminll priority_queue<ll, vector<ll>, greater<ll>> #define PQmaxll priority_queue<ll,vector<ll>,less<ll>> #define PQminP priority_queue<P, vector<P>, greater<P>> #define PQmaxP priority_queue<P,vector<P>,less<P>> #define NP next_permutation //const ll mod = 1000000009; const ll mod = 998244353; //const ll mod = 1000000007; const ll inf = 4100000000000000000ll; const ld eps = ld(0.00000000001); //static const long double pi = 3.141592653589793; template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];} template<class T,class K>void vcin(vector<T> &n,vector<K> &m){for(int i=0;i<int(n.size());i++) cin>>n[i]>>m[i];} template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;} template<class T>void vcin(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cin>>n[i][j];}}} template<class T>void vcout(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cout<<n[i][j]<<" ";}cout<<endl;}cout<<endl;} void yes(bool a){cout<<(a?"yes":"no")<<endl;} void YES(bool a){cout<<(a?"YES":"NO")<<endl;} void Yes(bool a){cout<<(a?"Yes":"No")<<endl;} void possible(bool a){ cout<<(a?"possible":"impossible")<<endl; } void Possible(bool a){ cout<<(a?"Possible":"Impossible")<<endl; } void POSSIBLE(bool a){ cout<<(a?"POSSIBLE":"IMPOSSIBLE")<<endl; } template<class T>auto min(const T& a){ return *min_element(all(a)); } template<class T>auto max(const T& a){ return *max_element(all(a)); } template<class T,class F>void print(pair<T,F> a){cout<<a.fi<<" "<<a.se<<endl;} 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> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}} template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}} template<typename T,typename ...Args>auto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector<T>(arg,x);else return vector(arg,make_vector<T>(x,args...));} ll fastgcd(ll u,ll v){ll shl=0;while(u&&v&&u!=v){bool eu=!(u&1);bool ev=!(v&1);if(eu&&ev){++shl;u>>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<<shl:u<<shl;} ll modPow(ll a, ll n, ll mod) { if(mod==1) return 0;ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } vector<ll> divisor(ll x){ vector<ll> ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; } ll pop(ll x){return __builtin_popcountll(x);} ll poplong(ll x){ll y=-1;while(x){x/=2;y++;}return y;} template<class T> struct Sum{ vector<T> data; Sum(const vector<T>& v):data(v.size()+1){ for(ll i=0;i<v.size();i++) data[i+1]=data[i]+v[i]; } T get(ll l,ll r) const { return data[r]-data[l]; } }; template<class T> struct Sum2{ vector<vector<T>> data; Sum2(const vector<vector<T>> &v):data(v.size()+1,vector<T>(v[0].size()+1)){ for(int i=0;i<v.size();i++) for(int j=0;j<v[i].size();j++) data[i+1][j+1]=data[i][j+1]+v[i][j]; for(int i=0;i<v.size();i++) for(int j=0;j<v[i].size();j++) data[i+1][j+1]+=data[i+1][j]; } T get(ll x1,ll y1,ll x2,ll y2) const { return data[x2][y2]+data[x1][y1]-data[x1][y2]-data[x2][y1]; } }; void cincout(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); cout<< fixed << setprecision(10); } struct graph{ struct edge{ ll to,cost; }; ll v; vector<vector<edge>> g; vector<ll> d; vector<bool> negative; vector<bool> diameter; vector<ll> topological_sort; ll diametercost; bool bipartitecheck; vector<ll> bipartite; graph(ll n){ init(n); } void init(ll n){ v=n; g.resize(n); d.resize(n); negative.resize(n); diameter.resize(n); bipartite.resize(n); for(int i=0;i<v;i++){ d[i]=inf; bipartite[i]=-1; negative[i]=false; diameter[i]=false; } } void addedge(ll s,ll t,ll cost){ edge e; e.to=t; e.cost=cost; g[s].push_back(e); } void dijkstra(ll s){ for(int i=0;i<v;i++){ d[i]=inf; } d[s]=0; priority_queue<P,vector<P>,greater<P>> que; que.push(P(0,s)); while(!que.empty()){ P p=que.top(); que.pop(); ll V=p.second; if(d[V]<p.first) continue; for(auto e:g[V]){ if(d[e.to]>d[V]+e.cost){ d[e.to]=d[V]+e.cost; que.push(P(d[e.to],e.to)); } } } } void BellmanFord(ll s){ for(int i=0;i<v;i++){ d[i]=inf; negative[i]=false; } d[s]=0; for(int i=0;i<v;i++){ for(int V=0;V<v;V++){ if(d[V]==inf){ continue; } for(auto e:g[V]){ if(d[e.to]>d[V]+e.cost){ d[e.to]=d[V]+e.cost; if(i==v-1){ negative[e.to]=true; negative[V]=true; } } } } } } void dfs(ll s){ for(int i=0;i<v;i++){ d[i]=inf; } d[s]=0; dfs2(s,-1); } void dfs2(ll s,ll v){ for(auto e:g[s]){ if(e.to==v) continue; if(d[e.to]>d[s]+e.cost){ d[e.to]=d[s]+e.cost; dfs2(e.to,s); } } } void treediameter(){ dfs(0); ll p=0; ll q=0; for(int i=0;i<v;i++){ if(q<d[i]){ q=d[i]; p=i; } } diameter[p]=true; dfs(p); ll p2=0; ll q2=0; for(int i=0;i<v;i++){ if(q2<d[i]){ q2=d[i]; p2=i; } } diameter[p2]=true; diametercost=d[p2]; } void Bipartite(){ for(int i=0;i<v;i++){ if(bipartite[i]==-1){ Bipartitedfs(i); } } } void Bipartitedfs(ll s,ll cur=0){ bipartite[s]=cur; for(auto e:g[s]){ if(bipartite[e.to]!=-1){ if((bipartite[e.to]==bipartite[s])^(!e.cost%2)){ bipartitecheck=false; } } else{ if(e.cost%2){ Bipartitedfs(e.to,1-cur); } else{ Bipartitedfs(e.to,cur); } } } } void topologicalsort(){ for(int i=0;i<v;i++){ d[i]=0; } for(int i=0;i<v;i++){ if(d[i]) continue; topologicaldfs(i); } rever(topological_sort); } void topologicaldfs(ll a){ d[a]=1; for(auto e:g[a]){ if(d[e.to]) continue; topologicaldfs(e.to); } topological_sort.push_back(a); } }; using mint = modint998244353; bool memo[70][70][70][70]; ld an[70][70][70][70]; ld dp(ll a,ll b,ll c,ll n){ if(a==0) return 0.0; if(n==0) return 0.0; if(memo[a][b][c][n]) return an[a][b][c][n]; memo[a][b][c][n]=true; ld ans=0; ld now=(a+b+c)*(a+b+c-1); if(a-2>=0){ now-=a*(a-1); ans+=ld(a*(a-1))/ld((a+b+c)*(a+b+c-1))*(dp(a-1,b,c,n-1)+1); } if(b-2>=0){ now-=b*(b-1); ans+=ld(b*(b-1))/ld((a+b+c)*(a+b+c-1))*(dp(a,b-1,c,n-1)); } if(c-2>=0){ now-=c*(c-1); ans+=ld(c*(c-1))/ld((a+b+c)*(a+b+c-1))*(dp(a,b,c-1,n-1)); } ans+=ld(now)/ld((a+b+c)*(a+b+c-1))*(dp(a,b,c,n-1)); return an[a][b][c][n]=ans; } int main() { cincout(); ll a,b,c,n; cin>>a>>b>>c>>n; cout<<dp(a,b,c,n)<<" "; for(int i=0;i<70;i++){ for(int j=0;j<70;j++){ for(int k=0;k<70;k++){ for(int z=0;z<70;z++){ an[i][j][k][z]=0; memo[i][j][k][z]=false; } } } } cout<<dp(b,c,a,n)<<" "; for(int i=0;i<70;i++){ for(int j=0;j<70;j++){ for(int k=0;k<70;k++){ for(int z=0;z<70;z++){ an[i][j][k][z]=0; memo[i][j][k][z]=false; } } } } cout<<dp(c,b,a,n)<<" "; }