結果
問題 | No.1955 Not Prime |
ユーザー | 👑 potato167 |
提出日時 | 2022-05-20 22:35:12 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 296 ms / 2,000 ms |
コード長 | 4,775 bytes |
コンパイル時間 | 2,583 ms |
コンパイル使用メモリ | 219,616 KB |
実行使用メモリ | 97,532 KB |
最終ジャッジ日時 | 2024-09-20 08:51:29 |
合計ジャッジ時間 | 10,584 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 276 ms
89,608 KB |
testcase_01 | AC | 262 ms
89,476 KB |
testcase_02 | AC | 256 ms
89,604 KB |
testcase_03 | AC | 258 ms
89,472 KB |
testcase_04 | AC | 264 ms
89,604 KB |
testcase_05 | AC | 265 ms
89,476 KB |
testcase_06 | AC | 276 ms
89,604 KB |
testcase_07 | AC | 268 ms
89,476 KB |
testcase_08 | AC | 270 ms
89,472 KB |
testcase_09 | AC | 276 ms
89,604 KB |
testcase_10 | AC | 264 ms
89,476 KB |
testcase_11 | AC | 296 ms
97,532 KB |
testcase_12 | AC | 265 ms
89,604 KB |
testcase_13 | AC | 275 ms
89,604 KB |
testcase_14 | AC | 265 ms
89,604 KB |
testcase_15 | AC | 269 ms
89,608 KB |
testcase_16 | AC | 270 ms
89,604 KB |
testcase_17 | AC | 268 ms
89,548 KB |
testcase_18 | AC | 270 ms
89,472 KB |
testcase_19 | AC | 276 ms
89,600 KB |
testcase_20 | AC | 259 ms
89,476 KB |
testcase_21 | AC | 267 ms
89,604 KB |
testcase_22 | AC | 256 ms
89,700 KB |
testcase_23 | AC | 258 ms
89,600 KB |
testcase_24 | AC | 254 ms
89,604 KB |
testcase_25 | AC | 261 ms
89,460 KB |
ソースコード
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #define _GLIBCXX_DEBUG using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; ll ILL=2167167167167167167; const int INF=2100000000; const ll mod=998244353; #define rep(i,a) for (ll i=0;i<a;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,const T &b){if(a>b){a=b;return 1;}else return 0;} template<class T> bool chmax(T &a,const 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;});} void yneos(bool a){if(a) cout<<"Yes\n"; else cout<<"No\n";} template<class T> void vec_out(vector<T> &p){for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";} namespace po167{ struct SCC{ std::vector<std::vector<int>> G; std::vector<std::vector<int>> G_rev; int size; SCC(int n):G(n),G_rev(n),size(n){} int add_ver(){ G.push_back({}); G_rev.push_back({}); size++; return size-1; } void add_edge(int from,int to){ assert(0<=to&&to<size); assert(0<=from&&from<size); G[from].push_back(to); G_rev[to].push_back(from); } void dfs1(std::vector<int> &order,std::vector<int> &seen,int ind,int &now){ if(seen[ind]!=0) return; seen[ind]=-1; for(auto x:G[ind]){ dfs1(order,seen,x,now); } order[now]=ind; now++; } void dfs2(std::vector<int> &seen,int ind,int rank){ if(seen[ind]!=-1) return; seen[ind]=rank; for(auto x:G_rev[ind]){ dfs2(seen,x,rank); } } std::vector<std::vector<int>> tp_sort(){ std::vector<int> seen(size,0),order(size); int now=0; for(int i=0;i<size;i++) dfs1(order,seen,i,now); now=0; for(int i=size-1;i>=0;i--){ if(seen[order[i]]==-1){ dfs2(seen,order[i],now); now++; } } std::vector<std::vector<int>> ans(now); for(int i=0;i<size;i++){ ans[seen[i]].push_back(i); } return ans; } std::vector<int> for_two_sat(){ std::vector<int> seen(size,0),order(size); int now=0; for(int i=0;i<size;i++) dfs1(order,seen,i,now); now=0; for(int i=size-1;i>=0;i--){ if(seen[order[i]]==-1){ dfs2(seen,order[i],now); now++; } } return seen; } }; struct two_SAT{ po167::SCC graph; std::vector<bool> ans; bool exists=false; int size; two_SAT(int n):graph(2*n),ans(n),size(n){} void add_clause(int i,bool f,int j,bool g){ graph.add_edge(i*2+(!f),j*2+(g)); graph.add_edge(j*2+(!g),i*2+(f)); } void one_true_in_group(std::vector<std::pair<int,int>> &p){ int ind; for(int i=0;i<(int)(p.size())-1;i++){ ind=graph.add_ver(); graph.add_ver(); ind/=2; add_clause(ind,1,p[i].first,p[i].second^1); add_clause(ind,0,p[i+1].first,p[i+1].second^1); if(i){ add_clause(ind-1,0,ind,1); } ans.push_back(false); size++; } } bool build(){ auto rank=graph.for_two_sat(); exists=true; for(int i=0;i<size;i++){ if(rank[i*2]==rank[i*2+1]){ exists=false; break; } ans[i]=(rank[i*2]<rank[i*2+1]); } return exists; } }; } using po167::SCC; using po167::two_SAT; int unite(int l,int r){ int X=1; while(X<=r) X*=10; return l*X+r; } //a以下の素数を列挙、計算量:Nlog(log(N)) vector<long long> Eratosthenes(long long a){ if(a<2) return {}; vector<long long> p(a+1),ans; p[0]=1,p[1]=1; long long k=2; while(k*k<=a){ if(p[k]==0){ ans.push_back(k); for(long long i=2;i*k<=a;i++){ p[i*k]=1; } } k++; } while(k<=a){ if(p[k]==0) ans.push_back(k); k++; } return p; } auto table=Eratosthenes(1e7+1670); bool prime(int a){ return (table[a]==0); } void solve(); // oddloop int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t=1; //cin>>t; rep(i,t) solve(); } void solve(){ int N; cin>>N; vector<vector<int>> p(N,vector<int>(2)); rep(i,N) cin>>p[i][0]>>p[i][1]; two_SAT T(N); rep(i,N){ if(prime(unite(p[i][0],p[i][1]))) T.add_clause(i,1,i,1); if(prime(unite(p[i][1],p[i][0]))) T.add_clause(i,0,i,0); } rep(i,N) rep(j,i){ rep(k,2) rep(l,2){ if(prime(unite(p[i][k],p[j][l]))){ T.add_clause(i,k^1,j,l); } if(prime(unite(p[j][k],p[i][l]))){ T.add_clause(j,k^1,i,l); } } } bool ans=T.build(); yneos(ans); //cout<<unite(100,100)<<endl; }