結果
問題 | No.1523 +/- Tree |
ユーザー | PCTprobability |
提出日時 | 2021-05-28 22:32:53 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 12,540 bytes |
コンパイル時間 | 7,754 ms |
コンパイル使用メモリ | 326,864 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-07 09:57:30 |
合計ジャッジ時間 | 11,429 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 2 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | AC | 2 ms
5,248 KB |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | AC | 2 ms
5,248 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 = long long; #define endl "\n" #define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (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 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 fi first #define se second #define pb push_back #define P pair<ll,ll> #define REP(i, n) for (int i = 0; i < (n); ++i) #define in scanner.read_int() //const ll mod = 998244353; const ll mod = 1000000007; const ll inf = 4500000000000000000ll; 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 modPow(ll a, ll n, ll mod) { 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; } 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]; } }; class Scanner { vector<char> buffer; ssize_t n_written; ssize_t n_read; public: Scanner(): buffer(1024*1024) { do_read(); } int64_t read_int() { int64_t ret = 0, sgn = 1; int ch = current_char(); while (isspace(ch)) { ch = next_char(); } if (ch == '-') { sgn = -1; ch = next_char(); } for (; isdigit(ch); ch = next_char()) ret = (ret * 10) + (ch - '0'); return sgn * ret; } private: void do_read() { ssize_t r = read(0, &buffer[0], buffer.size()); if (r < 0) { throw runtime_error(strerror(errno)); } n_written = r; n_read = 0; } inline int next_char() { ++n_read; if (n_read == n_written) { do_read(); } return current_char(); } inline int current_char() { return (n_read == n_written) ? EOF : buffer[n_read]; } }; //Scanner scanner; //void vin(vector<ll> &n){for(int i=0;i<int(n.size());i++) n[i]=in;} void cincout(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); cout<< fixed << setprecision(20); } template<class T> vector<T> NTT(vector<T> a,vector<T> b){ ll nmod=T::mod(); int n=a.size(); int m=b.size(); vector<int> x1(n); vector<int> y1(m); for(int i=0;i<n;i++){ ll tmp1,tmp2,tmp3; tmp1=a[i].val(); x1[i]=tmp1; } for(int i=0;i<m;i++){ ll tmp1,tmp2,tmp3; tmp1=b[i].val(); y1[i]=tmp1; } auto z1=convolution<167772161>(x1,y1); auto z2=convolution<469762049>(x1,y1); auto z3=convolution<1224736769>(x1,y1); vector<T> res(n+m-1); ll m1=167772161; ll m2=469762049; ll m3=1224736769; ll m1m2=104391568; ll m1m2m3=721017874; ll mm12=m1*m2%nmod; for(int i=0;i<n+m-1;i++){ int v1=(z2[i]-z1[i])*m1m2%m2; if(v1<0) v1+=m2; int v2=(z3[i]-(z1[i]+v1*m1)%m3)*m1m2m3%m3; if(v2<0) v2+=m3; res[i]=(z1[i]+v1*m1+v2*mm12); } return res; } template<class T> struct FormalPowerSeries:vector<T>{ using vector<T>::vector; using vector<T>::operator=; using F=FormalPowerSeries; F operator-() const{ F res(*this); for(auto &e:res) e=-e; return res; } F &operator*=(const T &g){ for(auto &e:*this) e*=g; return *this; } F &operator/=(const T &g){ assert(g!=T(0)); *this*=g.inv(); return *this; } F &operator+=(const F &g){ int n=(*this).size(),m=g.size(); for(int i=0;i<min(n,m);i++){ (*this)[i]+=g[i]; } return *this; } F &operator-=(const F &g){ int n=(*this).size(),m=g.size(); for(int i=0;i<min(n,m);i++){ (*this)[i]-=g[i]; } return *this; } F &operator<<=(const int d) { int n=(*this).size(); (*this).insert((*this).begin(),d,0); (*this).resize(n); return *this; } F &operator>>=(const int d) { int n=(*this).size(); (*this).erase((*this).begin(),(*this).begin()+min(n, d)); (*this).resize(n); return *this; } F inv(int d=-1) const{ int n=(*this).size(); assert(n!=0&&(*this)[0]!=0); if(d==-1) d=n; assert(d>0); F res{(*this)[0].inv()}; while(res.size()<d){ int m=size(res); F f(begin(*this),begin(*this)+min(n,2*m)); F r(res); f.resize(2*m); r.resize(2*m); vector<T> s=NTT(f,r); s.resize(2*m); for(int i=0;i<2*m;i++){ s[i]=-s[i]; } s[0]+=2; vector<T> g=NTT(s,r); g.resize(2*m); res=g; } res.resize(n); return res; } F &operator/=(const F &g){ int n=(*this).size(); *this=NTT(*this,g.inv()); (*this).resize(n); return (*this); } F &operator*=(const F &g){ int n=(*this).size(); *this=NTT(*this,g); for(int i=n;i<(*this).size();i++){ (*this)[i%n]+=(*this)[i]; } (*this).resize(n); return (*this); } void onemul(const int d,const T c){ int n=(*this).size(); for(int i=n-d-1;i>=0;i--){ (*this)[i+d]+=(*this)[i]*c; } } void onediv(const int d,const T c){ int n=(*this).size(); for(int i=0;i<n-d;i++){ (*this)[i+d]-=(*this)[i]*c; } } void spacemul(vector<pair<int, T>> g) { int n = (*this).size(); auto [d, c] = g.front(); if (d == 0) g.erase(g.begin()); else c = 0; for(int i=n-1;i>=0;i--){ (*this)[i] *= c; for (auto &[j, b] : g) { if (j > i) break; (*this)[i] += (*this)[i-j] * b; } } } void spacediv(vector<pair<int, T>> g) { int n = (*this).size(); auto [d, c] = g.front(); assert(d == 0 && c != T(0)); T ic = c.inv(); g.erase(g.begin()); for(int i=0;i<n;i++){ for (auto &[j, b] : g) { if (j > i) break; (*this)[i] -= (*this)[i-j] * b; } (*this)[i] *= ic; } } T eval(const T &a) const { T x(1),res(0); for(auto e:*this) res+=e*x,x*=a; return res; } F differential() const { int n=(*this).size(); F res(n); for(int i=0;i<n-1;i++){ res[i]=T(i+1)*(*this)[i+1]; } res[n-1]=0; return res; } F Integral() const { int n=(*this).size(); F res(n); for(int i=1;i<n;i++){ res[i]=(*this)[i-1]/T(i); } res[0]=0; return res; } F log() const{ int n=(*this).size(); F u=(*this).differential(); F d=(*this); u/=d; u=u.Integral(); u.resize(n); return u; } F exp(int d=-1) const{ int n=(*this).size(); assert(n!=0&&(*this)[0]==0); if(d==-1) d=n; assert(d>0); F res{1}; while(res.size()<d){ int m=size(res); F f(begin(*this),begin(*this)+min(n,2*m)); F r(res); f.resize(2*m); r.resize(2*m); r=r.log(); f-=r; f[0]++; F g=f*res; g.resize(2*m); res=g; } res.resize(n); return res; } F pow(int a){ int n=(*this).size(); F res(n); for(int i=0;i<n;i++){ res[i]=(*this)[i]; } if(a==0){ F s(n); if(n>0){ s[0]=T(1); } for(int i=0;i<n;i++){ res[i]=s[i]; } return res; } int l=0; while(l<n&&res[l]==0) l++; if(l>(n-1)/a||l==n){ F s(n); for(int i=0;i<n;i++){ res[i]=s[i]; } return res; } T t=res[l]; res.erase(res.begin(),res.begin()+l); res/=t; F g=res.log(); for(int i=0;i<n;i++){ res[i]=g[i]; } res*=a; g=res.exp(); for(int i=0;i<n;i++){ res[i]=g[i]; } res*=t.pow(a); res.insert(res.begin(),l*a,0); return res; } F sqrt(int k=-1){ int n=(*this).size(); if(k==-1){ k=n; } ll m=T::mod(); if((*this)[0]==T(0)){ for(int i=1;i<int((*this).size());i++){ if((*this)[i]!=T(0)){ if(i&1) return {}; if(n-i/2<=0)break; auto ret=(*this>>i).sqrt(n-i/2)<<(i/2); if(int(ret.size())<n) return {}; return ret; } } F g(n); for(int i=0;i<n;i++){ g[i]=0; } return g; } else{ if(modsqrt((*this)[0].val(),m)==-1){ return {}; } F ret{T(modsqrt((*this)[0].val(),m))}; for(int i=1;i<n;i<<=1){ ret.resize(2*i); ret=(ret+(*this)/ret); ret/=T(2); } return ret; } } F operator*(const T &g) const { return F(*this)*=g;} F operator-(const T &g) const { return F(*this)-=g;} F operator*(const F &g) const { return F(*this)*=g;} F operator-(const F &g) const { return F(*this)-=g;} F operator+(const F &g) const { return F(*this)+=g;} F operator/(const F &g) const { return F(*this)/=g;} F operator<<(const int d) const { return F(*this)<<=d;} F operator>>(const int d) const { return F(*this)>>=d;} }; using mint=modint1000000007; using fps = FormalPowerSeries<mint>; using sfps = vector<pair<int, mint>>; fps fpspow(fps a,ll n){ ll m=a.size(); fps ret(m); ret[0]=1; while(n){ if(n&1){ ret*=a; } a*=a; n/=2; } return ret; } int main() { cincout(); ll a,b; cin>>a>>b; if(b==1){ cout<<"No"<<endl; return 0; } if(b==2){ if(a%2==0){ cout<<"Yes"<<endl; ll tmp=1000000000-1; ll tmp2=-1000000000; for(int i=1;i<=a-1;i++){ if(i%2) cout<<i<<" "<<i+1<<" "<<tmp<<endl; else cout<<i<<" "<<i+1<<" "<<tmp2<<endl; } return 0; } cout<<"No"<<endl; return 0; } if(b>=4){ cout<<"Yes"<<endl; for(int i=1;i<=b;i++){ cout<<i<<" "<<i+1<<" "<<-1<<endl; } for(int i=b+2;i<=a;i++){ cout<<3<<" "<<i<<" "<<1000000000<<endl; return 0; } } if(a==4){ cout<<"No"<<endl; return 0; } cout<<"Yes"<<endl; cout<<1<<" "<<2<<" "<<-2<<endl; cout<<2<<" "<<3<<" "<<-2<<endl; for(int i=4;i<=a;i++){ cout<<1<<" "<<i<<" "<<3<<endl; } }