結果
問題 | No.674 n連勤 |
ユーザー | kiyoshi0205 |
提出日時 | 2021-01-12 11:41:22 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 21 ms / 2,000 ms |
コード長 | 5,559 bytes |
コンパイル時間 | 3,522 ms |
コンパイル使用メモリ | 227,256 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-21 09:41:20 |
合計ジャッジ時間 | 4,200 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 1 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,820 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
6,820 KB |
testcase_11 | AC | 3 ms
6,820 KB |
testcase_12 | AC | 3 ms
6,816 KB |
testcase_13 | AC | 12 ms
6,816 KB |
testcase_14 | AC | 14 ms
6,816 KB |
testcase_15 | AC | 12 ms
6,820 KB |
testcase_16 | AC | 20 ms
6,820 KB |
testcase_17 | AC | 21 ms
6,820 KB |
testcase_18 | AC | 16 ms
6,816 KB |
testcase_19 | AC | 13 ms
6,820 KB |
ソースコード
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; #define double long double using datas=pair<ll,ll>; using ddatas=pair<double,double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define uniq(v) vsort(v);(v).erase(unique(all(v)),(v).end()) #define endl "\n" #define eb emplace_back #define print(x) cout<<x<<endl #define printyes print("Yes") #define printno print("No") #define printYES print("YES") #define printNO print("NO") #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) constexpr ll mod=1000000007; // constexpr ll mod=998244353; constexpr ll inf=1LL<<60; constexpr double eps=1e-9; const double PI=acos(-1); template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";} template<class T> ostream& operator<<(ostream& os,const vector<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> ostream& operator<<(ostream& os,const set<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;} #ifdef DEBUG void debugg(){cout<<endl;} template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);} #define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__) #else #define debug(...) (void(0)) #endif void startupcpp(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(15); } // Merge:0->interval set,1->point set template<typename T,int Merge=1> struct rangeset:set<pair<T,T>>{ private: using P=pair<T,T>; using seitr=_Rb_tree_const_iterator<P>; const T TINF=numeric_limits<T>::max()/2; public: // There are all [L,R] (not [L,R) ) rangeset(){ this->emplace(-TINF,-TINF); this->emplace(TINF,TINF); } // [L,R] covered? bool covered(T L,T R){ assert(L<=R); seitr itr(--this->lower_bound(P(L+1,L))); return R<=itr->second; } bool covered(T x){ return covered(x,x); } // what is covered [L,R] (not cover->return [-TINF,-TINF]) P covered_by(T L,T R){ assert(L<=R); seitr itr(--this->lower_bound(P(L+1,L))); if(R<=itr->second)return *itr; else return *(this->begin()); } P covered_by(T x){ return covered_by(x,x); } //insert [L,R] and merge, return (how many add point or interval) pair<seitr,T> insert(T L,T R){ assert(L<=R); seitr itr(--this->lower_bound(P(L+1,L))); if(R<=itr->second)return pair<seitr,T>(itr,0); T deletecnt(0); if(itr->second<L-Merge){ ++itr; }else{ L=itr->first; deletecnt=itr->second-itr->first+Merge; itr=this->erase(itr); } while(itr->second<=R){ deletecnt+=itr->second-itr->first+Merge; itr=this->erase(itr); } if(itr->first<=R+Merge){ R=itr->second; deletecnt+=itr->second-itr->first+Merge; itr=this->erase(itr); } itr=this->emplace_hint(itr,L,R); return pair<seitr,T>(itr,R-L+Merge-deletecnt); } pair<seitr,T> insert(T x){ // assert(Merge==1); return insert(x,x); } //delete intersect [L,R], return (how many erase point or interval) T remove(T L,T R){ assert(L<=R); seitr itr(--this->lower_bound(P(L+1,L))); if(R<=itr->second){ if(itr->first!=L)this->emplace_hint(itr,itr->first,L-Merge); if(itr->second!=R)this->emplace_hint(next(itr),R+Merge,itr->second); this->erase(itr); return R-L+Merge; } T deletecnt(0); if(itr->second<=L-Merge){ ++itr; }else{ deletecnt=itr->second-L+Merge; this->emplace_hint(itr,itr->first,L-Merge); itr=this->erase(itr); } while(itr->second<=R){ deletecnt+=itr->second-itr->first+Merge; itr=this->erase(itr); } if(itr->first<R+Merge){ deletecnt+=R-itr->first+Merge; this->emplace_hint(next(itr),R+Merge,itr->second); this->erase(itr); } return deletecnt; } T remove(T x){ // assert(Merge==1); return remove(x,x); } T mex(T x){ // assert(Merge==1); seitr itr(this->lower_bound(P(x,x))); if(itr->first<=x)return itr->second+1; else return x+1; } }; ll N,ans; int main(){ startupcpp(); cin>>N>>N; rangeset<ll> se; for(int i=0;i<N;++i){ ll L,R; cin>>L>>R; auto itr=*se.insert(L,R).first; chmax(ans,itr.second-itr.first+1); debug(se); print(ans); } }