結果
問題 | No.1786 Maximum Suffix Median (Online) |
ユーザー | hotman78 |
提出日時 | 2021-12-16 00:01:33 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
MLE
|
実行時間 | - |
コード長 | 12,334 bytes |
コンパイル時間 | 4,733 ms |
コンパイル使用メモリ | 248,832 KB |
実行使用メモリ | 583,456 KB |
最終ジャッジ日時 | 2024-07-23 20:27:25 |
合計ジャッジ時間 | 9,296 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
10,752 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 4 ms
5,376 KB |
testcase_04 | AC | 4 ms
5,376 KB |
testcase_05 | AC | 4 ms
5,376 KB |
testcase_06 | AC | 4 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | MLE | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
ソースコード
#line 2 "cpplib/util/template.hpp" #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("avx2") #include<bits/stdc++.h> using namespace std; struct __INIT__{__INIT__(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}}__INIT__; typedef long long lint; #define INF (1LL<<60) #define IINF (1<<30) #define EPS (1e-10) #define endl ('\n') typedef vector<lint> vec; typedef vector<vector<lint>> mat; typedef vector<vector<vector<lint>>> mat3; typedef vector<string> svec; typedef vector<vector<string>> smat; template<typename T>using V=vector<T>; template<typename T>using VV=V<V<T>>; template<typename T>inline void output(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<<i;f=1;}cout<<endl;} template<typename T>inline void output2(T t){for(auto i:t)output(i);} template<typename T>inline void debug(T t){bool f=0;for(auto i:t){cerr<<(f?" ":"")<<i;f=1;}cerr<<endl;} template<typename T>inline void debug2(T t){for(auto i:t)debug(i);} #define loop(n) for(long long _=0;_<(long long)(n);++_) #define _overload4(_1,_2,_3,_4,name,...) name #define __rep(i,a) repi(i,0,a,1) #define _rep(i,a,b) repi(i,a,b,1) #define repi(i,a,b,c) for(long long i=(long long)(a);i<(long long)(b);i+=c) #define rep(...) _overload4(__VA_ARGS__,repi,_rep,__rep)(__VA_ARGS__) #define _overload3_rev(_1,_2,_3,name,...) name #define _rep_rev(i,a) repi_rev(i,0,a) #define repi_rev(i,a,b) for(long long i=(long long)(b)-1;i>=(long long)(a);--i) #define rrep(...) _overload3_rev(__VA_ARGS__,repi_rev,_rep_rev)(__VA_ARGS__) // #define rep(i,...) for(auto i:range(__VA_ARGS__)) // #define rrep(i,...) for(auto i:reversed(range(__VA_ARGS__))) // #define repi(i,a,b) for(lint i=lint(a);i<(lint)(b);++i) // #define rrepi(i,a,b) for(lint i=lint(b)-1;i>=lint(a);--i) // #define irep(i) for(lint i=0;;++i) // inline vector<long long> range(long long n){if(n<=0)return vector<long long>();vector<long long>v(n);iota(v.begin(),v.end(),0LL);return v;} // inline vector<long long> range(long long a,long long b){if(b<=a)return vector<long long>();vector<long long>v(b-a);iota(v.begin(),v.end(),a);return v;} // inline vector<long long> range(long long a,long long b,long long c){if((b-a+c-1)/c<=0)return vector<long long>();vector<long long>v((b-a+c-1)/c);for(int i=0;i<(int)v.size();++i)v[i]=i?v[i-1]+c:a;return v;} // template<typename T>inline T reversed(T v){reverse(v.begin(),v.end());return v;} #define all(n) begin(n),end(n) template<typename T,typename E>bool chmin(T& s,const E& t){bool res=s>t;s=min<T>(s,t);return res;} template<typename T,typename E>bool chmax(T& s,const E& t){bool res=s<t;s=max<T>(s,t);return res;} const string ds="DRUL"; const vector<lint> dx={1,0,-1,0,1,1,-1,-1}; const vector<lint> dy={0,1,0,-1,1,-1,1,-1}; #define SUM(v) accumulate(all(v),0LL) #if __cplusplus>=201703L 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...));} #endif #define extrep(v,...) for(auto v:__MAKE_MAT__({__VA_ARGS__})) #define bit(n,a) ((n>>a)&1) vector<vector<long long>> __MAKE_MAT__(vector<long long> v){if(v.empty())return vector<vector<long long>>(1,vector<long long>());long long n=v.back();v.pop_back();vector<vector<long long>> ret;vector<vector<long long>> tmp=__MAKE_MAT__(v);for(auto e:tmp)for(long long i=0;i<n;++i){ret.push_back(e);ret.back().push_back(i);}return ret;} using graph=vector<vector<int>>; template<typename T>using graph_w=vector<vector<pair<int,T>>>; template<typename T,typename E>ostream& operator<<(ostream& out,pair<T,E>v){out<<"("<<v.first<<","<<v.second<<")";return out;} #if __cplusplus>=201703L constexpr inline long long powll(long long a,long long b){long long res=1;while(b--)res*=a;return res;} #endif template<typename T,typename E>pair<T,E>& operator+=(pair<T,E>&s,const pair<T,E>&t){s.first+=t.first;s.second+=t.second;return s;} template<typename T,typename E>pair<T,E>& operator-=(pair<T,E>&s,const pair<T,E>&t){s.first-=t.first;s.second-=t.second;return s;} template<typename T,typename E>pair<T,E> operator+(const pair<T,E>&s,const pair<T,E>&t){auto res=s;return res+=t;} template<typename T,typename E>pair<T,E> operator-(const pair<T,E>&s,const pair<T,E>&t){auto res=s;return res-=t;} // 128*1024*1024 #define BEGIN_STACK_EXTEND(size) void * stack_extend_memory_ = malloc(size);void * stack_extend_origin_memory_;char * stack_extend_dummy_memory_ = (char*)alloca((1+(int)(((long long)stack_extend_memory_)&127))*16);*stack_extend_dummy_memory_ = 0;asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp":"=b"(stack_extend_origin_memory_):"a"((char*)stack_extend_memory_+(size)-1024)); #define END_STACK_EXTEND asm volatile("mov %%rax, %%rsp"::"a"(stack_extend_origin_memory_));free(stack_extend_memory_); #line 3 "cpplib/alga/maybe.hpp" /** * @brief Maybe * @see https://ja.wikipedia.org/wiki/%E3%83%A2%E3%83%8A%E3%83%89_(%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0)#Maybe%E3%83%A2%E3%83%8A%E3%83%89 */ template<typename T> struct maybe{ bool _is_none; T val; maybe():_is_none(true){} maybe(T val):_is_none(false),val(val){} T unwrap()const{ assert(!_is_none); return val; } T unwrap_or(T e)const{ return _is_none?e:val; } bool is_none()const{return _is_none;} bool is_some()const{return !_is_none;} }; template<typename T,typename F> auto expand(F op){ return [&op](const maybe<T>& __s,const maybe<T>& __t)->maybe<T>{ if(__s.is_none())return __t; if(__t.is_none())return __s; return maybe<T>(op(__s.unwrap(),__t.unwrap())); }; } #line 3 "cpplib/segment_tree/dual_segment_tree.hpp" /** * @brief 双対セグメント木 */ template<typename T,typename F> class dual_segment_tree{ struct node; using np=node*; using i64=long long; struct node{ maybe<T> val; np ch[2]={nullptr,nullptr}; node(maybe<T> val=maybe<T>()):val(val){} }; np root=nullptr; i64 n=1,sz; F op; public: dual_segment_tree(i64 sz,F op=F()):sz(sz),op(op){while(n<sz)n<<=1;} inline void fix(i64 a,T x){update(a,x,0,n,root);} inline void update(i64 l,i64 r,T x){update(l,r,x,0,n,root);} inline maybe<T> get(i64 x){return get(x,0,n,root);} private: void eval(np& t){ auto f=expand<T,F>(op); if(t->val.is_none())return; if(!t->ch[0])t->ch[0]=new node(); if(!t->ch[1])t->ch[1]=new node(); t->ch[0]->val=f(t->ch[0]->val,t->val); t->ch[1]->val=f(t->ch[1]->val,t->val); t->val=maybe<T>(); } void fix(i64 a,T x,i64 l,i64 r,np& t){ auto f=expand<T,F>(op); if(!t)t=new node(); if(r-l>1)eval(t); if(r<=a||a<l)return; else if(l==a&&r==a+1)t->val=x; else if(r-l>1){ fix(a,x,l,(l+r)/2,t->ch[0]); fix(a,x,(l+r)/2,r,t->ch[1]); } } void update(i64 a,i64 b,T x,i64 l,i64 r,np& t){ auto f=expand<T,F>(op); if(!t)t=new node(); if(r-l>1)eval(t); if(r<=a||b<=l)return; else if(a<=l&&r<=b)t->val=f(t->val,x); else if(r-l>1){ update(a,b,x,l,(l+r)/2,t->ch[0]); update(a,b,x,(l+r)/2,r,t->ch[1]); } } maybe<T> get(i64 x,i64 l,i64 r,np& t){ auto f=expand<T,F>(op); if(!t)t=new node(); if(r-l>1)eval(t); if(x<l||r<=x)return maybe<T>(); else if(r-l==1){ return t->val; } else return f(get(x,l,(l+r)/2,t->ch[0]),get(x,(l+r)/2,r,t->ch[1])); } }; #line 3 "cpplib/segment_tree/lazy_segment_tree.hpp" template<typename T,typename E,typename F,typename G,typename H> class lazy_segment_tree{ using i64=int; i64 n; i64 sz; struct node; using np=node*; struct node{ maybe<T> val=maybe<T>(); maybe<E> lazy=maybe<E>(); np lch=nullptr,rch=nullptr; node(){} }; np root=new node(); maybe<T> fix(i64 a,E x,i64 l,i64 r,np t){ auto f=expand<T,F>(_f); eval(t,l,r); //区間外 if(r<=a||a<l)return t->val; //全部区間内 if(l==a&&r==a+1){ eval(t,l,r); t->val=x; return t->val; } //一部区間内 return t->val=f(fix(a,x,l,(l+r)/2,t->lch),fix(a,x,(l+r)/2,r,t->rch)); } maybe<T> update(i64 a,i64 b,T x,i64 l,i64 r,np t){ auto f=expand<T,F>(_f); eval(t,l,r); //区間外 if(r<=a||b<=l)return t->val; //全部区間内 if(a<=l&&r<=b){ t->lazy=maybe<T>(x); eval(t,l,r); return t->val; } //一部区間内 return t->val=f(update(a,b,x,l,(l+r)/2,t->lch),update(a,b,x,(l+r)/2,r,t->rch)); } maybe<T> get(i64 a,i64 b,i64 l,i64 r,np t){ auto f=expand<T,F>(_f); eval(t,l,r); //区間外 if(r<=a||b<=l)return maybe<T>(); //全部区間内 if(a<=l&&r<=b)return t->val; //一部区間内 return f(get(a,b,l,(l+r)/2,t->lch),get(a,b,(l+r)/2,r,t->rch)); } void eval(np t,i64 l,i64 r){ auto g=expand<E,G>(_g); if(r-l>1){ if(!t->lch)t->lch=new node(); if(!t->rch)t->rch=new node(); t->lch->lazy=g(t->lch->lazy,t->lazy); t->rch->lazy=g(t->rch->lazy,t->lazy); } t->val=h(t->val,t->lazy,l,r); t->lazy=maybe<E>(); } template<typename Less> i64 lower_bound_right(maybe<T> now,np t,Less op,i64 l,i64 r){ auto f=expand<T,F>(_f); eval(t,l,r); if(t->lch)eval(t->lch,l,(l+r)/2); if(t->rch)eval(t->rch,(l+r)/2,r); const auto p=t->rch?f(t->rch->val,now):now; if(r-l==1){ return 0; } if(!op(f(t->val,now))){ return r-l; } if(op(p)){ return lower_bound_right(now,t->rch,op,(l+r)/2,r); }else{ return (r-l)/2+lower_bound_right(p,t->lch,op,l,(l+r)/2); } } F _f;G _g;H _h; maybe<T> h(const maybe<T>&s,const maybe<E>&t,i64 l,i64 r){ if(t.is_none())return s; else return maybe<T>(_h(s,t.unwrap(),l,r)); } public: lazy_segment_tree(i64 sz,F f=F(),G g=G(),H h=H()):n(1),sz(sz),_f(f),_g(g),_h(h){while(n<sz)n<<=1;} //0-indexed [a,b) void fix(i64 a,T x){fix(a,x,0,n,root);} //0-indexed [a,b) void update(i64 a,i64 b,E x){update(a,b,x,0,n,root);} //0-indexed [a,b) maybe<T> get(i64 a,i64 b){return get(a,b,0,n,root);} template<typename Less> i64 lower_bound_right(Less op){ return n-lower_bound_right(maybe<T>(),root,op,0,n); } }; #line 3 "cpplib/math/binary_search.hpp" /** * @brief 二分探索 */ template<typename T=long long,typename F> T bs(T mn,T mx,F func){ mn--; mx++; while(mx-mn>1){ T mid=(mn+mx)/2; if(!func(mid))mx=mid; else mn=mid; } return mn; } #line 5 "main.cpp" int main(){ lint n; cin>>n; auto f=[&](auto s,auto t){ return max(s,t); }; auto g=[&](auto s,auto t){ return s+t; }; auto h=[&](auto s,auto t,auto l,auto r){ auto p=s.unwrap_or(-IINF); if(p!=-IINF)return p+t; else return p; }; auto f2=[&](auto s,auto t){ return max(s,t); }; auto g2=[&](auto s,auto t){ return s+t; }; auto h2=[&](auto s,auto t,auto l,auto r){ auto p=s.unwrap_or(-IINF); if(p!=-IINF)return p+t; else return p; }; //seg[i]:= 値 i に対する最大カウント >=0 なら最終値になり得る(=0でしかなりえないが、こうしてOK) // i を追加したら [0,i) に +1,それ以外に -1 //seg2[i]:= 値 i を入れた時カウントいくつから始まるか // i を追加したら [0,i) に -1,それ以外に +1 int pre=0; lazy_segment_tree<int,int,decltype(f),decltype(g),decltype(h)>seg(1LL<<30,f,g,h); lazy_segment_tree<int,int,decltype(f2),decltype(g2),decltype(h2)>seg2(1LL<<30,f2,g2,h2); rep(i,n){ int x; cin>>x; x^=pre; auto p=seg.get(x,x+1).unwrap_or(-IINF); auto q=seg2.get(x,1LL<<30).unwrap_or(-IINF); seg.update(0,x,1); seg.update(x,1LL<<30,-1); seg.fix(x,max({0,p,q})); seg2.update(0,x,1); seg2.update(x,1LL<<30,-1); seg2.fix(x,max(q,0)+1); pre=seg.lower_bound_right([](auto x){return x.unwrap_or(-IINF)>=0;})-1; cout<<pre<<endl; } }