結果
問題 | No.2664 Prime Sum |
ユーザー | n_vip |
提出日時 | 2024-03-08 21:04:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 7,518 bytes |
コンパイル時間 | 1,398 ms |
コンパイル使用メモリ | 139,868 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-09-29 18:50:01 |
合計ジャッジ時間 | 2,137 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
6,820 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 1 ms
6,820 KB |
testcase_06 | AC | 1 ms
6,824 KB |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 2 ms
6,816 KB |
testcase_12 | AC | 1 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,820 KB |
testcase_15 | AC | 2 ms
6,820 KB |
testcase_16 | AC | 2 ms
6,816 KB |
testcase_17 | AC | 1 ms
6,820 KB |
testcase_18 | AC | 1 ms
6,816 KB |
testcase_19 | AC | 0 ms
6,820 KB |
testcase_20 | AC | 2 ms
6,816 KB |
testcase_21 | AC | 2 ms
6,820 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 1 ms
6,820 KB |
testcase_24 | AC | 2 ms
6,816 KB |
testcase_25 | AC | 2 ms
6,820 KB |
testcase_26 | AC | 2 ms
6,816 KB |
testcase_27 | AC | 1 ms
6,820 KB |
testcase_28 | AC | 2 ms
6,816 KB |
testcase_29 | AC | 2 ms
6,816 KB |
testcase_30 | AC | 2 ms
6,816 KB |
testcase_31 | AC | 1 ms
6,816 KB |
testcase_32 | AC | 1 ms
6,820 KB |
testcase_33 | AC | 1 ms
6,816 KB |
testcase_34 | AC | 2 ms
6,816 KB |
testcase_35 | AC | 1 ms
6,816 KB |
testcase_36 | AC | 2 ms
6,816 KB |
ソースコード
#include <string> #include <vector> #include<iostream> #include<cstdio> #include<cstdlib> #include<stack> #include<queue> #include<cmath> #include<algorithm> #include<functional> #include<list> #include<deque> #include<bitset> #include<set> #include<map> #include<unordered_map> #include<unordered_set> #include<cstring> #include<sstream> #include<complex> #include<iomanip> #include<numeric> #include<cassert> #include<random> #define X first #define Y second #define pb push_back #define rep(X,Y) for (int X = 0;X < (int)(Y);++X) #define reps(X,S,Y) for (int X = (int)(S);X < (int)(Y);++X) #define rrep(X,Y) for (int X = (int)(Y)-1;X >=0;--X) #define rreps(X,S,Y) for (int X = (int)(Y)-1;X >= (int)(S);--X) #define repe(X,Y) for (X = 0;X < (Y);++X) #define peat(X,Y) for (;X < (Y);++X) #define all(X) X.begin(),X.end() #define rall(X) X.rbegin(),X.rend() #define eb emplace_back #define UNIQUE(X) X.erase(unique(all(X)),X.end()) #define Endl endl #define NL <<"\n" #define cauto const auto using namespace std; using ll=long long; using pii=pair<int,int>; using pll=pair<ll,ll>; template<class T> using vv=vector<vector<T>>; template<class T> inline bool MX(T &l,const T &r){return l<r?l=r,1:0;} template<class T> inline bool MN(T &l,const T &r){return l>r?l=r,1:0;} //#undef NUIP #ifdef NUIP #include "benri.h" #else #define out(args...) #endif void ouT(ll x,int d=3){auto re=to_string(x);if((int)re.size()>d) re=x>0?"oo":"-oo";cout<<string(d-re.size(),' ')<<re<<",";} #ifdef __cpp_init_captures template<typename T>vector<T> table(int n, T v){ return vector<T>(n, v);} template <class... Args> auto table(int n, Args... args){auto val = table(args...); return vector<decltype(val)>(n, move(val));} #endif template<class A,class B> pair<A,B> operator+(const pair<A,B> &p,const pair<A,B> &q){ return {p.X+q.X,p.Y+q.Y};} template<class A,class B,class C,class D> pair<A,B>& operator+=(pair<A,B> &p,const pair<C,D> &q){ p.X+=q.X; p.Y+=q.Y; return p;} template<class A,class B> pair<A,B> operator-(const pair<A,B> &p,const pair<A,B> &q){ return {p.X-q.X,p.Y-q.Y};} template<class A,class B,class C,class D> pair<A,B>& operator-=(pair<A,B> &p,const pair<C,D> &q){ p.X-=q.X; p.Y-=q.Y; return p;} template<class A,class B> istream& operator>>(istream &is, pair<A,B> &p){ is>>p.X>>p.Y; return is;} #ifdef __cpp_init_captures template<class Tuple, size_t... Is> void read_tuple_impl(istream &is, Tuple& t, index_sequence<Is...>){((is >> get<Is>(t)), ...);} template<class... Args> auto& operator>>(istream &is, tuple<Args...>& t){ read_tuple_impl(is, t, index_sequence_for<Args...>{}); return is;} template<typename T, size_t... Is> void addadd(T& t1, const T& t2, integer_sequence<size_t, Is...>){ cauto l = { (get<Is>(t1) += get<Is>(t2), 0)... }; (void)l;} template <typename...T>tuple<T...>& operator += (tuple<T...>& lhs, const tuple<T...>& rhs){ addadd(lhs, rhs, index_sequence_for<T...>{}); return lhs;} template <typename...T>tuple<T...> operator +(tuple<T...> lhs, const tuple<T...>& rhs){ return lhs += rhs;} template<typename T, size_t... Is> void subsub(T& t1, const T& t2, integer_sequence<size_t, Is...>){ cauto l = { (get<Is>(t1) -= get<Is>(t2), 0)... }; (void)l;} template <typename...T>tuple<T...>& operator -= (tuple<T...>& lhs, const tuple<T...>& rhs){ subsub(lhs, rhs, index_sequence_for<T...>{}); return lhs;} template <typename...T>tuple<T...> operator - (tuple<T...> lhs, const tuple<T...>& rhs){ return lhs -= rhs;} #endif template<class T=ll> T read(){ T re; cin>>re; return re;} template<class T=ll> T read(const T &dec){ T re; cin>>re; return re-dec;} template<class T=ll> vector<T> readV(const int sz){ vector<T> re(sz); for(auto &x:re) x=read<T>(); return re;} template<class T=ll> vector<T> readV(const int sz, const T &dec){ vector<T> re(sz); for(auto &x:re) x=read<T>(dec); return re;} vv<int> readG(const int &n,const int &m){ vv<int> g(n); rep(_,m){ cauto a=read<int>(1),b=read<int>(1); g[a].pb(b); g[b].pb(a);} return g;} vv<int> readG(const int &n){ return readG(n,n-1);} vv<int> readD(const int &n,const int &m){ vv<int> g(n); rep(_,m){ cauto a=read<int>(1),b=read<int>(1); g[a].pb(b); } return g;} vv<int> readD(const int &n){ return readD(n,n-1);} template<class T> vv<pair<int,T>> readG(const int &n,const int &m){ vv<pair<int,T>> g(n); rep(_,m){ cauto a=read<int>(1),b=read<int>(1); cauto c=read<T>(); g[a].eb(b,c); g[b].eb(a,c);} return g;} template<class T> vv<pair<int,T>> readG(const int &n){ return readG<T>(n,n-1);} template<class T> vv<pair<int,T>> readD(const int &n,const int &m){ vv<pair<int,T>> g(n); rep(_,m){ cauto a=read<int>(1),b=read<int>(1); cauto c=read<T>(); g[a].eb(b,c); } return g;} template<class T> vv<pair<int,T>> readD(const int &n){ return readD<T>(n,n-1);} #ifdef __cpp_deduction_guides template<typename T> vector<T> readT(int n, T v){ return readV(n,v);} template <class... Args> auto readT(int n, Args... args){ vector re(1,readT(args...));rep(_,n-1) re.eb(readT(args...)); return re;} #endif template<class T> bool erase(multiset<T> &st, const T &v){if(cauto it=st.find(v); it==st.end()) return false; else{ st.erase(it); return true;}} #ifdef NUIP #define TT cauto TTT=read();rep(kase,TTT)if(cerr<<"Case #"<<kase<<endl) #else #define TT cauto TTT=read();rep(kase,TTT) #endif struct sorted_impl{template<class T>friend vector<T>operator-(vector<T>a,sorted_impl){sort(all(a));return a;}friend string operator-(string a,sorted_impl){sort(all(a));return a;}}sorted;struct reversed_impl{template<class T>friend vector<T>operator-(vector<T> a,reversed_impl){reverse(all(a));return a;}friend string operator-(string a,reversed_impl){reverse(all(a));return a;}}reversed;struct distinct_impl{template<class T>friend vector<T>operator-(vector<T> a,distinct_impl){sort(all(a));UNIQUE(a);return a;}}distinct;template<class S>struct sortedWith{const S f;sortedWith(const S &f):f(f){}template<class T>friend vector<T>operator-(vector<T> a,const sortedWith&b){sort(all(a),[&](cauto&i,cauto&j){return b.f(i)<b.f(j);});return a;}}; template<class T>int operator/(const T&v,const vector<T>&vs){return lower_bound(all(vs),v)-vs.begin();} vector<int> Inds(const int n){vector<int> inds(n);iota(all(inds),0);return inds;} const ll MOD=1e9+7; //998244353; struct UF{ vector<int> data; UF(const int &size):data(size,-1){} int unite(int x, int y){ x=root(x); y=root(y); if(x==y) return 0; if(-data[y]>-data[x]) swap(x,y); data[x]+=data[y]; data[y]=x; return y+1; } bool findSet(const int &x, const int &y){ return root(x)==root(y);} int root(const int &x){ return data[x]<0?x:data[x]=root(data[x]);} int size(const int &x){ return -data[root(x)];} int size(){ return count_if(all(data),[](const int &x){ return x<0;});}; //unverified int operator()(const int &x, const int &y){ return unite(x,y);} // int operator()(const pii &xy){ return unite(xy.X,xy.Y);} int operator[](const int &x){ return root(x);} bool operator[](const pii &xy){ return findSet(xy.X,xy.Y);} }; #ifdef NUIP ostream& operator<<(ostream &os, UF &uf){ cauto n=uf.data.size(); vector<int> single; rep(v,n)if(uf.size(v)==1) single.eb(v); os<<"[]"<<single; vv<int> vss(n); rep(v,n) vss[uf[v]].eb(v); rep(v,n)if(vss[v].size()>1) os<<"["<<v<<"]"<<vss[v]; return os; } #endif int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout<<fixed<<setprecision(0); cauto n=read(0); cauto m=read(0); cauto g=readG(n,m); UF uf(n+n); rep(v,n)for(cauto &u:g[v]) uf(v,n+u); rep(v,n)if(uf[{v, n+v}]){ cout<<"No" NL; return 0; } cout<<"Yes" NL; return 0; }