結果
問題 | No.2374 ASKT Subsequences |
ユーザー | eQe |
提出日時 | 2024-12-28 02:53:24 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 89 ms / 2,000 ms |
コード長 | 5,702 bytes |
コンパイル時間 | 8,678 ms |
コンパイル使用メモリ | 328,236 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-12-28 02:53:35 |
合計ジャッジ時間 | 8,666 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 1 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 | 1 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 3 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 4 ms
5,248 KB |
testcase_15 | AC | 7 ms
5,248 KB |
testcase_16 | AC | 3 ms
5,248 KB |
testcase_17 | AC | 8 ms
5,248 KB |
testcase_18 | AC | 21 ms
5,248 KB |
testcase_19 | AC | 17 ms
5,248 KB |
testcase_20 | AC | 34 ms
5,248 KB |
testcase_21 | AC | 46 ms
5,248 KB |
testcase_22 | AC | 27 ms
5,248 KB |
testcase_23 | AC | 21 ms
5,248 KB |
testcase_24 | AC | 23 ms
5,248 KB |
testcase_25 | AC | 4 ms
5,248 KB |
testcase_26 | AC | 89 ms
5,248 KB |
testcase_27 | AC | 23 ms
5,248 KB |
testcase_28 | AC | 35 ms
5,248 KB |
testcase_29 | AC | 4 ms
5,248 KB |
testcase_30 | AC | 30 ms
5,248 KB |
ソースコード
#include<bits/stdc++.h> #include<atcoder/all> using namespace std; namespace my{ #define eb emplace_back #define LL(...) ll __VA_ARGS__;lin(__VA_ARGS__) #define VL(n,...) vec<ll>__VA_ARGS__;setsize({n},__VA_ARGS__);lin(__VA_ARGS__) #define FO(n) for(ll ij=n;ij-->0;) #define FOR(i,...) for(auto[i,i##stop,i##step]=range(0,__VA_ARGS__);i<i##stop;i+=i##step) #define fo(i,...) FO##__VA_OPT__(R)(i __VA_OPT__(,__VA_ARGS__)) #define of(i,...) for(auto[i,i##stop,i##step]=range(1,__VA_ARGS__);i>=i##stop;i-=i##step) #define fe(a,i,...) for(auto&&__VA_OPT__([)i __VA_OPT__(,__VA_ARGS__]):a) #define single_testcase void solve();}int main(){my::io();my::solve();}namespace my{ void io(){cin.tie(nullptr)->sync_with_stdio(0);cout<<fixed<<setprecision(15);} using ll=long long; constexpr auto range(bool s,auto...a){array<ll,3>r{0,0,1};ll I=0;((r[I++]=a),...);if(!s&&I==1)swap(r[0],r[1]);r[0]-=s;return r;} constexpr char newline=10; constexpr char space=32; constexpr ll width2(auto x){x|=1;ll r=0;while(x>0)x>>=1,++r;return r;} constexpr ll log2_floor(auto x){return width2(x)-1;} auto max(const auto&...a){return max(initializer_list<common_type_t<decltype(a)...>>{a...});} template<class A,class B>struct pair{ A a;B b; pair()=default; pair(A a,B b):a(a),b(b){} pair(const std::pair<A,B>&p):a(p.first),b(p.second){} auto operator<=>(const pair&)const=default; pair operator+(const pair&p)const{return{a+p.a,b+p.b};} friend ostream&operator<<(ostream&o,const pair&p){return o<<p.a<<space<<p.b;} }; template<class T,class U>ostream&operator<<(ostream&o,const std::pair<T,U>&p){return o<<p.first<<space<<p.second;} template<class T,size_t n>ostream&operator<<(ostream&o,const array<T,n>&a){fo(i,n)o<<a[i]<<string(i!=n-1,space);return o;} template<class V>concept vectorial=is_base_of_v<vector<typename V::value_type>,V>; template<class T>struct vec_attr{using core_type=T;static constexpr int d=0;}; template<vectorial V>struct vec_attr<V>{using core_type=typename vec_attr<typename V::value_type>::core_type;static constexpr int d=vec_attr<typename V::value_type>::d+1;}; template<class T>using core_t=vec_attr<T>::core_type; template<class V>istream&operator>>(istream&i,vector<V>&v){fe(v,e)i>>e;return i;} template<class V>ostream&operator<<(ostream&o,const vector<V>&v){fe(v,e)o<<e<<string(&e!=&v.back(),vectorial<V>?newline:space);return o;} template<class V>struct vec:vector<V>{ using vector<V>::vector; vec(const vector<V>&v){vector<V>::operator=(v);} vec&operator^=(const vec&u){this->insert(this->end(),u.begin(),u.end());return*this;} vec operator^(const vec&u)const{return vec{*this}^=u;} vec&operator+=(const vec&u){vec&v=*this;fo(i,v.size())v[i]+=u[i];return v;} vec&operator-=(const vec&u){vec&v=*this;fo(i,v.size())v[i]-=u[i];return v;} vec operator+(const vec&u)const{return vec{*this}+=u;} vec operator-(const vec&u)const{return vec{*this}-=u;} vec&operator++(){fe(*this,e)++e;return*this;} vec&operator--(){fe(*this,e)--e;return*this;} vec operator-()const{vec v=*this;fe(v,e)e=-e;return v;} auto scan(const auto&f)const{pair<core_t<V>,bool>r{};fe(*this,e)if constexpr(!vectorial<V>)r.b?f(r.a,e),r:r={e,1};else if(auto s=e.scan(f);s.b)r.b?f(r.a,s.a),r:r=s;return r;} auto max()const{return scan([](auto&a,const auto&b){a<b?a=b:0;}).a;} vec zeta()const{vec v=*this;if constexpr(vectorial<V>)fe(v,e)e=e.zeta();fo(i,v.size()-1)v[i+1]+=v[i];return v;} }; template<class T=ll,size_t n,size_t i=0>auto make_vec(const ll(&s)[n],T x={}){if constexpr(n==i+1)return vec<T>(s[i],x);else{auto X=make_vec<T,n,i+1>(s,x);return vec<decltype(X)>(s[i],X);}} template<ll n,class...A>void setsize(const ll(&l)[n],A&...a){((a=make_vec(l,core_t<A>())),...);} void lin(auto&...a){(cin>>...>>a);} template<char c=space>void pp(const auto&...a){ll n=sizeof...(a);((cout<<a<<string(--n>0,c)),...);cout<<newline;} struct bit_vector:vec<uint8_t>{ bit_vector(){} bit_vector(ll n){ this->resize(n); fo(i,2){ cnt[i].resize(n); se[i].reserve(n); } } void build(){ fo(i,this->size())cnt[(*this)[i]][i]++,se[(*this)[i]].eb(i); fo(f,2)cnt[f]=cnt[f].zeta(); } inline ll count(ll l,ll r,bool f)const{return count(r,f)-count(l,f);} inline ll count(ll r,bool f)const{return r<=0?0:cnt[f][r-1];} private: array<vec<int>,2>cnt,se; }; struct wavelet_matrix{ ll n,A,log; vec<bit_vector>bv; vec<ll>left; wavelet_matrix(vec<ll>a){ n=a.size(),log=log2_floor(a.max())+1,A=(1LL<<log); vec<ll>cu=a; of(h,log){ bit_vector b(n); fo(i,n)b[i]=(cu[i]>>h&1); b.build(),bv.eb(b); vec<ll>pre,suf; fo(i,n)!b[i]?pre.eb(cu[i]):suf.eb(cu[i]); cu=pre^suf; } left.resize(A,n); of(i,n)left[cu[i]]=i; } inline ll operator[](ll i)const{return get(i);} ll get(ll i)const{ assert(0<=i&&i<n); ll x=0,cu=i; fo(h,log){ bool f=bv[h][cu]; x=(x<<1)+f; cu=bv[h].count(cu+1,f)-1; if(f)cu+=bv[h].count(n,0); } return x; } ll count(ll l,ll r,ll x)const{return count(r,x)-count(l,x);} ll count(ll r,ll x)const{ assert(r<=n); if(r<=0)return 0; if(x>=A)return 0; if(left[x]==n)return 0; ll cu=r-1; fo(h,log){ bool f=(x>>(log-1-h)&1); cu=bv[h].count(cu+1,f)-1; if(f)cu+=bv[h].count(n,0); } return cu-left[x]+1; } friend ostream&operator<<(ostream&o,const wavelet_matrix&wv){fo(i,wv.n)o<<wv[i]<<string(i<wv.n-1,space);return o;} }; single_testcase void solve(){ LL(N); VL(N,a); wavelet_matrix wm(a); ll ans=0; fo(i,1,N-1){ fo(j,i+1,N){ ll k=a[i]-a[j]; if(k<=0)continue; if(a[j]-10>0)ans+=wm.count(0,i,a[j]-10)*wm.count(j,N,a[i]+1); } } pp(ans); }}