結果
問題 | No.1435 Mmm...... |
ユーザー | hotman78 |
提出日時 | 2021-03-19 23:20:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 364 ms / 2,000 ms |
コード長 | 6,824 bytes |
コンパイル時間 | 3,894 ms |
コンパイル使用メモリ | 241,128 KB |
実行使用メモリ | 95,872 KB |
最終ジャッジ日時 | 2024-11-19 01:33:27 |
合計ジャッジ時間 | 11,093 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
6,816 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
6,816 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 228 ms
89,728 KB |
testcase_07 | AC | 273 ms
92,416 KB |
testcase_08 | AC | 326 ms
94,848 KB |
testcase_09 | AC | 298 ms
93,440 KB |
testcase_10 | AC | 267 ms
91,264 KB |
testcase_11 | AC | 250 ms
91,008 KB |
testcase_12 | AC | 226 ms
89,984 KB |
testcase_13 | AC | 221 ms
89,984 KB |
testcase_14 | AC | 143 ms
47,744 KB |
testcase_15 | AC | 328 ms
95,488 KB |
testcase_16 | AC | 261 ms
92,416 KB |
testcase_17 | AC | 161 ms
49,024 KB |
testcase_18 | AC | 332 ms
95,744 KB |
testcase_19 | AC | 244 ms
90,752 KB |
testcase_20 | AC | 305 ms
94,048 KB |
testcase_21 | AC | 200 ms
95,744 KB |
testcase_22 | AC | 199 ms
95,872 KB |
testcase_23 | AC | 360 ms
95,872 KB |
testcase_24 | AC | 360 ms
95,872 KB |
testcase_25 | AC | 345 ms
95,816 KB |
testcase_26 | AC | 364 ms
95,872 KB |
testcase_27 | AC | 349 ms
95,832 KB |
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)output(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 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) 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...));} #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;} constexpr inline long long powll(long long a,long long b){long long res=1;while(b--)res*=a;return res;} #line 4 "cpplib/data_structure/disjoint_sparse_table.hpp" /** * @brief DisjointSparseTable */ template<typename T,typename F=std::plus<T>> class disjoint_sparse_table{ T** table; T* data; int n=1,cnt=0; public: F f; disjoint_sparse_table(const std::vector<T>& v,F f):f(f){init(v);} disjoint_sparse_table(const std::vector<T>& v):f(F()){init(v);} void init(const std::vector<T>& v){ while(n<(int)v.size())n<<=1,cnt++; table=new T*[cnt]; for(int i=0;i<cnt;i++){ table[i]=new T[n](); } data =new T[n]; for(int i=0;i<(int)v.size();i++)data[i]=v[i]; for(int i=0;i<cnt;i++){ for(int j=0;j<(n>>(i+1));j++){ const int mid=(j<<(i+1))+(1<<i); for(int k=0;k<(1<<i);k++){ if(k==0){ if(0<=mid-1&&mid-1<(int)v.size())table[i][mid-1]=v[mid-1]; if(0<=mid&&mid<(int)v.size())table[i][mid]=v[mid]; } else{ if(0<=mid-1-k&&mid-1-k<(int)v.size())table[i][mid-1-k]=f(table[i][mid-k],v[mid-1-k]); if(0<=mid+k&&mid+k<(int)v.size())table[i][mid+k]=f(table[i][mid+k-1],v[mid+k]); } } } } } T get(int l,int r){ if(l==r)return T(); r--; if(l==r)return data[l]; const int t=31-__builtin_clz((int)(l^r)); return f(table[t][l],table[t][r]); } }; #line 3 "cpplib/math/binary_search.hpp" /** * @brief 二分探索 */ template<typename F,typename T=long long> 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 4 "code.cpp" int main(){ lint n; cin>>n; vec a(n),v(n); rep(i,n){ cin>>a[i]; v[i]=i; } sort(all(v),[&](auto s,auto t){return a[s]<a[t];}); set<lint>s; vector<lint>l(n),r(n); auto f=[](auto s,auto t){return max(s,t);}; auto g=[](auto s,auto t){return min(s,t);}; disjoint_sparse_table<lint,decltype(f)>seg(a,f); disjoint_sparse_table<lint,decltype(g)>seg2(a,g); lint ans=0; for(auto i:v){ auto itr=s.insert(i).first; if(itr!=s.begin()){ l[i]=*prev(itr); }else{ l[i]=-1; } if(next(itr)!=s.end()){ r[i]=*next(itr); }else{ r[i]=n; } if(l[i]!=-1){ auto k=l[i]; //a[k]が最小値 // M<=a[k]+a[i] auto aa=(prev(itr)==s.begin()?-1:*prev(itr,2)); lint p=k-bs(aa+1,k,[&](auto x)->bool{ return seg.get(x,i+1)>a[k]+a[i]; }); lint q=bs(i,r[i]-1,[&](auto x)->bool{ return seg.get(i,x+1)<=a[k]+a[i]; })-i+1; ans+=p*q; } if(r[i]!=n){ auto k=r[i]; //a[k]が最小値 // M<=a[k]+a[i] auto bb=(next(itr,2)==s.end()?n:*next(itr,2)); lint p=i-bs(l[i]+1,i,[&](auto x)->bool{ return seg.get(x,i+1)>a[k]+a[i]; }); lint q=bs(k,bb-1,[&](auto x)->bool{ return seg.get(i,x+1)<=a[k]+a[i]; })-k+1; if(i==2)cerr<<p<<" "<<q<<endl; ans+=p*q; } } cout<<ans<<endl; }