結果
問題 | No.1955 Not Prime |
ユーザー | raven7959 |
提出日時 | 2022-05-22 16:37:05 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,712 bytes |
コンパイル時間 | 2,472 ms |
コンパイル使用メモリ | 228,068 KB |
実行使用メモリ | 116,164 KB |
最終ジャッジ日時 | 2024-09-20 12:42:27 |
合計ジャッジ時間 | 4,398 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 21 ms
11,548 KB |
testcase_01 | AC | 22 ms
11,552 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | AC | 20 ms
11,552 KB |
testcase_05 | AC | 21 ms
11,556 KB |
testcase_06 | AC | 25 ms
11,948 KB |
testcase_07 | AC | 59 ms
18,240 KB |
testcase_08 | AC | 50 ms
17,336 KB |
testcase_09 | AC | 77 ms
17,604 KB |
testcase_10 | AC | 67 ms
11,716 KB |
testcase_11 | AC | 164 ms
116,164 KB |
testcase_12 | AC | 39 ms
14,008 KB |
testcase_13 | AC | 82 ms
19,652 KB |
testcase_14 | AC | 31 ms
13,872 KB |
testcase_15 | AC | 31 ms
13,744 KB |
testcase_16 | AC | 44 ms
16,692 KB |
testcase_17 | AC | 68 ms
20,032 KB |
testcase_18 | AC | 87 ms
19,016 KB |
testcase_19 | AC | 84 ms
25,540 KB |
testcase_20 | AC | 23 ms
11,552 KB |
testcase_21 | AC | 39 ms
14,132 KB |
testcase_22 | AC | 22 ms
11,552 KB |
testcase_23 | AC | 22 ms
11,548 KB |
testcase_24 | AC | 22 ms
11,680 KB |
testcase_25 | AC | 21 ms
11,552 KB |
ソースコード
#include <bits/stdc++.h> // #pragma GCC optimize("Ofast") // #pragma GCC optimize("unroll-loops") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,fma,abm,mmx,avx,avx2") #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, n) for (int i = (int)(n - 1); i >= 0; i--) #define all(x) (x).begin(), (x).end() #define sz(x) int(x.size()) #define yn(joken) cout<<((joken) ? "Yes" : "No")<<"\n" #define YN(joken) cout<<((joken) ? "YES" : "NO")<<"\n" using namespace std; using ll = long long; using vi = vector<int>; using vl = vector<ll>; using vs = vector<string>; using vc = vector<char>; using vd = vector<double>; using vld = vector<long double>; using vvi = vector<vector<int>>; using vvl = vector<vector<ll>>; using vvs = vector<vector<string>>; using vvc = vector<vector<char>>; using vvd = vector<vector<double>>; using vvld = vector<vector<long double>>; using vvvi = vector<vector<vector<int>>>; using vvvl = vector<vector<vector<ll>>>; using vvvvi = vector<vector<vector<vector<int>>>>; using vvvvl = vector<vector<vector<vector<ll>>>>; using pii = pair<int,int>; using pll = pair<ll,ll>; const int INF = 1e9; const ll LINF = 2e18; 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; } bool ispow2(int i) { return i && (i & -i) == i; } bool ispow2(ll i) { return i && (i & -i) == i; } template <class T> vector<T> make_vec(size_t a) { return vector<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } template <typename T> istream& operator>>(istream& is, vector<T>& v) { for (int i = 0; i < int(v.size()); i++) { is >> v[i]; } return is; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { for (int i = 0; i < int(v.size()); i++) { os << v[i]; if (i < int(v.size()) - 1) os << ' '; } return os; } static uint32_t RandXor(){ static uint32_t x=123456789; static uint32_t y=362436069; static uint32_t z=521288629; static uint32_t w=88675123; uint32_t t; t=x^(x<<11); x=y; y=z; z=w; return w=(w^(w>>19))^(t^(t>>8)); } static double Rand01(){ return (RandXor()+0.5)*(1.0/UINT_MAX); } struct sieve{ vector<bool> is_prime; vector<int> min_factor,primes; sieve(int N): is_prime(N+1,true),min_factor(N+1,-1){ is_prime[1]=false; min_factor[1]=1; for(int i=2;i<=N;i++){ if(!is_prime[i]) continue; primes.push_back(i); min_factor[i]=i; for(int j=i;j<=N;j+=i){ is_prime[j]=false; if(min_factor[j]==-1) min_factor[j]=i; } } } vector<pair<int,int>> factorize(int n){ vector<pair<int,int>> ret; while(n>1){ int p=min_factor[n]; int e=0; while(n%p==0){ e++; n/=p; } ret.emplace_back(p,e); } return ret; } }; template <typename T = int> struct Edge{ int from, to; T cost; int idx; Edge() = default; Edge(int from, int to, T cost = 1, int idx = -1) : from(from), to(to), cost(cost), idx(idx) {} operator int() const { return to; } }; template <typename T = int> struct Graph{ vector<vector<Edge<T>>> g; int es; Graph() = default; explicit Graph(int n) : g(n), es(0) {} size_t size() const{ return g.size(); } void add_directed_edge(int from, int to, T cost = 1){ g[from].emplace_back(from, to, cost, es++); } void add_edge(int from, int to, T cost = 1){ g[from].emplace_back(from, to, cost, es); g[to].emplace_back(to, from, cost, es++); } void read(int M, int padding = -1, bool weighted = false, bool directed = false){ for (int i = 0; i < M; i++){ int a, b; cin >> a >> b; a += padding; b += padding; T c = T(1); if (weighted) cin >> c; if (directed) add_directed_edge(a, b, c); else add_edge(a, b, c); } } inline vector<Edge<T>> &operator[](const int &k){ return g[k]; } inline const vector<Edge<T>> &operator[](const int &k) const{ return g[k]; } }; template <typename T = int> using Edges = vector<Edge<T>>; template <typename G> struct StronglyConnectedComponent{ private: G g; const int V; int cnt; vector<int> in,low; stack<int> st; void dfs(const int v,int &time){ in[v]=time; low[v]=time; time++; st.push(v); for(auto nv:g[v]){ if(in[nv]<0){ dfs(nv,time); low[v]=min(low[v],low[nv]); } else if(rev[nv]<0){ low[v]=min(low[v],in[nv]); } } if(in[v]==low[v]){ while(true){ const int u=st.top(); st.pop(); rev[u]=cnt; if(u==v) break; } cnt++; } } public: vector<vector<int>> members; vector<int> rev; StronglyConnectedComponent(G &_g): g(_g),V(_g.size()),cnt(0),in(_g.size(),-1),low(_g.size()), rev(_g.size(),-1){ int time=0; for(int i=0;i<V;i++){ if(in[i]<0) dfs(i,time); } for(int i=0;i<V;i++) rev[i]=cnt-rev[i]-1; members.resize(cnt); for(int i=0;i<V;i++) members[rev[i]].push_back(i); } }; void solve(){ int N; cin>>N; vs A(N),B(N); rep(i,N) cin>>A[i]>>B[i]; sieve SE(1000000); vi P(1000000); for(auto p:SE.primes) P[p]++; Graph<int> G(2*N); rep(i,N){ rep(j,i){ // S,T string s1=A[i]+A[j],t1=B[j]+B[i]; if(P[stoi(s1)] || P[stoi(t1)]){ G.add_directed_edge(i,j); G.add_directed_edge(j+N,i+N); } // S,S string s2=A[i]+B[j],t2=A[j]+B[i]; if(P[stoi(s2)] || P[stoi(t2)]){ G.add_directed_edge(i,j+N); G.add_directed_edge(j,i+N); } // T,T string s3=B[i]+A[j],t3=B[j]+A[i]; if(P[stoi(s3)] || P[stoi(t3)]){ G.add_directed_edge(i+N,j); G.add_directed_edge(j+N,i); } // T,S string s4=B[i]+B[j],t4=A[j]+A[i]; if(P[stoi(s4)] || P[stoi(t4)]){ G.add_directed_edge(i+N,j+N); G.add_directed_edge(j,i); } } } rep(i,N){ string s1=A[i]+B[i]; if(P[stoi(s1)]){ rep(j,N){ if(i==j) continue; G.add_directed_edge(j,i+N); G.add_directed_edge(j+N,i+N); G.add_directed_edge(i,j); G.add_directed_edge(i,j+N); } } string s2=B[i]+A[i]; if(P[stoi(s2)]){ rep(j,N){ G.add_directed_edge(j,i); G.add_directed_edge(j+N,i); G.add_directed_edge(i+N,j); G.add_directed_edge(i+N,j+N); } } } StronglyConnectedComponent<Graph<int>> SCC(G); vi num(2*N); auto mem=SCC.members; rep(i,sz(mem)) for(auto v:mem[i]) num[v]=i; bool flg=true; rep(i,N) if(num[i]==num[i+N]) flg=false; yn(flg); } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); solve(); }