結果
問題 | No.1745 Selfish Spies 2 (à la Princess' Perfectionism) |
ユーザー | kiyoshi0205 |
提出日時 | 2021-11-14 22:00:49 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,164 ms / 5,000 ms |
コード長 | 6,949 bytes |
コンパイル時間 | 7,399 ms |
コンパイル使用メモリ | 289,380 KB |
実行使用メモリ | 83,812 KB |
最終ジャッジ日時 | 2024-05-07 14:10:38 |
合計ジャッジ時間 | 18,504 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 3 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | AC | 4 ms
5,376 KB |
testcase_17 | AC | 4 ms
5,376 KB |
testcase_18 | AC | 5 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 3 ms
5,376 KB |
testcase_24 | AC | 12 ms
6,000 KB |
testcase_25 | AC | 3 ms
5,376 KB |
testcase_26 | AC | 4 ms
5,376 KB |
testcase_27 | AC | 5 ms
5,376 KB |
testcase_28 | AC | 57 ms
15,132 KB |
testcase_29 | AC | 6 ms
5,376 KB |
testcase_30 | AC | 6 ms
5,376 KB |
testcase_31 | AC | 6 ms
5,376 KB |
testcase_32 | AC | 5 ms
5,376 KB |
testcase_33 | AC | 55 ms
15,124 KB |
testcase_34 | AC | 54 ms
15,104 KB |
testcase_35 | AC | 58 ms
15,068 KB |
testcase_36 | AC | 57 ms
15,052 KB |
testcase_37 | AC | 55 ms
15,168 KB |
testcase_38 | AC | 54 ms
14,796 KB |
testcase_39 | AC | 27 ms
8,108 KB |
testcase_40 | AC | 47 ms
11,548 KB |
testcase_41 | AC | 46 ms
11,544 KB |
testcase_42 | AC | 112 ms
19,972 KB |
testcase_43 | AC | 179 ms
26,424 KB |
testcase_44 | AC | 252 ms
33,328 KB |
testcase_45 | AC | 642 ms
50,388 KB |
testcase_46 | AC | 649 ms
50,516 KB |
testcase_47 | AC | 925 ms
82,720 KB |
testcase_48 | AC | 1,164 ms
82,372 KB |
testcase_49 | AC | 243 ms
27,228 KB |
testcase_50 | AC | 228 ms
27,488 KB |
testcase_51 | AC | 62 ms
10,836 KB |
testcase_52 | AC | 88 ms
15,988 KB |
testcase_53 | AC | 83 ms
15,888 KB |
testcase_54 | AC | 247 ms
32,696 KB |
testcase_55 | AC | 249 ms
32,584 KB |
testcase_56 | AC | 527 ms
32,768 KB |
testcase_57 | AC | 878 ms
83,812 KB |
testcase_58 | AC | 867 ms
83,676 KB |
ソースコード
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; using datas=pair<ll,ll>; using ddatas=pair<long double,long double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define uniq(v) vsort(v),(v).erase(unique(all(v)),(v).end()) #define endl "\n" #define popcount __builtin_popcountll #define eb emplace_back #define print(x) cout<<x<<endl #define printyes print("Yes") #define printno print("No") #define printYES print("YES") #define printNO print("NO") #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) constexpr ll mod=1000000007; // constexpr ll mod=998244353; constexpr ll inf=1LL<<60; constexpr long double eps=1e-9; const long double PI=acosl(-1); template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";} template<class T> ostream& operator<<(ostream& os,const vector<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> ostream& operator<<(ostream& os,const set<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> ostream& operator<<(ostream& os,const multiset<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T,class E> ostream& operator<<(ostream& os,const map<T,E>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> inline bool chmax(T& a,const T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,const T b){bool x=a>b;if(x)a=b;return x;} #ifdef DEBUG void debugg(){cout<<endl;} template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);} #define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__) #else #define debug(...) (void(0)) #endif inline void startupcpp(void) noexcept{ cin.tie(0); ios::sync_with_stdio(false); } struct scc_graph{ public: scc_graph(int n):_n(n){} scc_graph(vector<vector<int>> g):_n(g.size()){ for(int i=0;i<_n;++i)for(auto& x:g[i])add_edge(i,x); scc_ids(); } scc_graph(vector<vector<long long>> g):_n(g.size()){ for(int i=0;i<_n;++i)for(auto& x:g[i])add_edge(i,x); scc_ids(); } void add_edge(int from,int to){ assert(0<=from&&from<_n); assert(0<=to&&to<_n); edges.push_back({from,{to}}); } void add_clause(int i,bool f,int j,bool g){ assert(0<=i&&i*2<_n); assert(0<=j&&j*2<_n); add_edge(i<<1|!f,j<<1|g); add_edge(j<<1|!g,i<<1|f); } //n must be *2 vector<bool> solve_twosat(){ if(!group_num)scc_ids(); int m=_n>>1; vector<bool> answer(m); for(int i=0;i<m;++i){ if(ids[i<<1]==ids[i<<1|1])return{}; answer[i]=ids[i<<1]<ids[i<<1|1]; } return answer; } vector<vector<int>> scc(){ if(!group_num)scc_ids(); vector<int> counts(group_num); for(auto& x:ids)counts[x]++; vector<vector<int>> groups(group_num); for(int i=0;i<group_num;++i)groups[i].reserve(counts[i]); for(int i=0;i<_n;++i)groups[ids[i]].push_back(i); return groups; } int size(){return group_num;} int operator[](int k) const{return ids[k];} private: int _n,group_num=0; struct edge{ int to; }; struct csr{ vector<int> start; vector<edge> elist; csr(int n,const vector<pair<int,edge>>& edges):start(n+1),elist(edges.size()){ for(auto& e:edges)++start[e.first+1]; for(int i=0;i<n;++i)start[i+1]+=start[i]; auto counter=start; for(auto& e:edges)elist[counter[e.first]++]=e.second; } }; vector<int> ids; vector<pair<int,edge>> edges; // @return pair of(# of scc,scc id) void scc_ids(){ auto g=csr(_n,edges); int now_ord=0; vector<int> visited,low(_n),ord(_n,-1); ids.resize(_n); visited.reserve(_n); auto dfs=[&](auto self,int v)-> void{ low[v]=ord[v]=now_ord++; visited.push_back(v); for(int i=g.start[v];i<g.start[v+1];++i){ auto to=g.elist[i].to; if(ord[to]==-1){ self(self,to); low[v]=min(low[v],low[to]); }else{ low[v]=min(low[v],ord[to]); } } if(low[v]==ord[v]){ while(true){ int u=visited.back(); visited.pop_back(); ord[u]=_n; ids[u]=group_num; if(u==v)break; } group_num++; } }; for(int i=0;i<_n;++i){ if(ord[i]==-1)dfs(dfs,i); } for(auto& x:ids){ x=group_num-1-x; } } }; #include<atcoder/all> int N,M,L; int main(){ startupcpp(); ll i,j; cin>>N>>M>>L; atcoder::mf_graph<int> g(N+M+2); rep(i,N)g.add_edge(N+M,i,1); rep(i,M)g.add_edge(i+N,N+M+1,1); rep(i,L){ int S,T; cin>>S>>T; --S;--T; g.add_edge(S,T+N,1); } g.flow(N+M,N+M+1); scc_graph sg(N+M+2),tg(N+M+2),chg(N+M); mat gs(N+M+2),gt(N+M+2); for(auto edge:g.edges()){ int s=edge.from,t=edge.to; if(edge.flow){ tg.add_edge(s,t); gt[s].emplace_back(t); sg.add_edge(t,s); gs[t].emplace_back(s); }else{ sg.add_edge(s,t); gs[s].emplace_back(t); tg.add_edge(t,s); gt[t].emplace_back(s); } if(max(s,t)>=N+M)continue; if(edge.flow)chg.add_edge(s,t); else chg.add_edge(t,s); } auto sgscc=sg.scc(); auto tgscc=tg.scc(); chg.scc(); vector<int> vissg(sgscc.size(),0); vissg[sg[N+M]]=true; rep(i,sgscc.size()){ if(!vissg[i])continue; for(auto s:sgscc[i]){ for(auto t:gs[s])vissg[sg[t]]=true; } } vector<int> vistg(tgscc.size(),0); vistg[tg[N+M+1]]=true; rep(i,tgscc.size()){ if(!vistg[i])continue; for(auto t:tgscc[i]){ for(auto s:gt[t])vistg[tg[s]]=true; } } rep(i,L){ auto edge=g.get_edge(N+M+i); if(edge.flow||vissg[sg[edge.from]]||vistg[tg[edge.to]]||chg[edge.from]==chg[edge.to])printyes; else printno; } }