結果
問題 | No.306 さいたま2008 |
ユーザー | Tqk |
提出日時 | 2019-11-28 12:17:45 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 8,945 bytes |
コンパイル時間 | 2,526 ms |
コンパイル使用メモリ | 178,740 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-17 16:27:43 |
合計ジャッジ時間 | 3,371 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
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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
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testcase_08 | AC | 2 ms
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testcase_09 | AC | 2 ms
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testcase_10 | AC | 2 ms
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testcase_11 | AC | 2 ms
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testcase_12 | AC | 2 ms
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testcase_13 | AC | 2 ms
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testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
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testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
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testcase_18 | AC | 2 ms
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testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
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testcase_22 | AC | 2 ms
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ソースコード
//sub-BOF #define _AOJ_ /*vvv> zzzzzI .---. zzuzuI .vgggg&,. +++++= dAC:|I .WbbWo JMM9^```?TMB` ..&gNNg,. gggggggJ, qgggggggg] (&&&&&&&&[ c+OA&J, (&&&&&&+J, .cJeAA&-. (&&&&&&&&x .&AA&=-. +++++= dTqk|I Xpbpbp JM#` (M#^ ?MMp MM| +TMN. JMF ' |yk ` dVY 7Vk, Vy XV cVf ?Y! JM V$ ` +++++= dcf:|I Xppppp dMN .MM+ .MM MM| MM] JMMMMMM+ |@tqkoh) ,y0 (V$ yyyyyyyV7 VV JMWyZWr TWVVVVW&, ++++++ d7qk|0 Xppppp ^HMN, _.db WMm, .MMF MM| ..MM` JMF . |yk .WV&. .XW' yy 4yn. jyn +. JM #S `++++` ?ZZZX= ?WWWW= -THMMMMH9^ (TMMMMM9! MMMMMMM"" JMMMMMMMME |UU. ?TUUUUY= UU. (UU- ^7TUUUV7! JUUUUUUUU 7TUNKO*/ #pragma region template #pragma region basic #pragma GCC optimize ("O3")//#pragma GCC optimize ("fast-math") #pragma GCC target ("avx2") #include "bits/stdc++.h" using namespace std; typedef long long lint; typedef long double ld; typedef string cs; #pragma endregion #pragma region rep #define _vcppunko4(tuple) _getname4 tuple #define _getname4(_1,_2,_3,_4,name,...) name #define _getname3(_1,_2,_3,name,...) name #define _trep2(tuple) _rep2 tuple #define _trep3(tuple) _rep3 tuple #define _trep4(tuple) _rep4 tuple #define _rep1(n) for(lint i=0;i<n;++i) #define _rep2(i,n) for(lint i=0;i<n;++i) #define _rep3(i,a,b) for(lint i=a;i<b;++i) #define _rep4(i,a,b,c) for(lint i=a;i<b;i+=c) #define _trrep2(tuple) _rrep2 tuple #define _trrep3(tuple) _rrep3 tuple #define _trrep4(tuple) _rrep4 tuple #define _rrep1(n) for(lint i=n-1;i>=0;--i) #define _rrep2(i,n) for(lint i=n-1;i>=0;--i) #define _rrep3(i,a,b) for(lint i=b-1;i>=a;--i) #define _rrep4(i,a,b,c) for(lint i=a+(b-a-1)/c*c;i>=a;i-=c) #define rep(...) _vcppunko4((__VA_ARGS__,_trep4,_trep3,_trep2,_rep1))((__VA_ARGS__)) #define per(...) _vcppunko4((__VA_ARGS__,_trrep4,_trrep3,_trrep2,_rrep1))((__VA_ARGS__)) #define each(c) for(auto &e:c) #pragma endregion #pragma region io template<class T> istream& operator>>(istream& is,vector<T>& vec); template<class T,size_t size> istream& operator>>(istream& is,array<T,size>& vec); template<class T,class L> istream& operator>>(istream& is,pair<T,L>& p); template<class T> ostream& operator<<(ostream& os,vector<T>& vec); template<class T,class L> ostream& operator<<(ostream& os,pair<T,L>& p); template<class T> istream& operator>>(istream& is,vector<T>& vec){ for(T& x: vec) is>>x;return is; } template<class T,class L> istream& operator>>(istream& is,pair<T,L>& p){ is>>p.first;is>>p.second;return is; } template<class T,class L> ostream& operator<<(ostream& os,pair<T,L>& p){ os<<p.first<<" "<<p.second;return os; } template<class T> ostream& operator<<(ostream& os,vector<T>& vec){ os<<vec[0];rep(i,1,vec.size())os<<' '<<vec[i];return os; } template<class T> ostream& operator<<(ostream& os,deque<T>& deq){ os<<deq[0];rep(i,1,deq.size())os<<' '<<deq[i];return os; } #ifdef __ENV_TQK__ #include<Windows.h> HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE); inline void in(){ SetConsoleTextAttribute(hConsole,10); } template <class Head,class... Tail> inline void in(Head&& head,Tail&&... tail){ SetConsoleTextAttribute(hConsole,15); cin>>head;in(move(tail)...); } #else inline void in(){} template <class Head,class... Tail> inline void in(Head&& head,Tail&&... tail){ cin>>head;in(move(tail)...); } #endif inline bool out(){ return(cout<<'\n',0); } template <class T> inline bool out(T t){ return(cout<<t<<'\n',0); } template <class Head,class... Tail> inline bool out(Head head,Tail... tail){ cout<<head<<' ';out(move(tail)...);return 0; } template <class T> inline void alloc(T &c,lint s){ rep(c.size())c[i].resize(s); } #define alc alloc #pragma endregion #pragma region TA #define lin(...) lint __VA_ARGS__;in(__VA_ARGS__) #define stin(...) string __VA_ARGS__;in(__VA_ARGS__) #define vin(type,name,size) vector<type> name(size);in(name) #define vvin(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__));in(name) #define all(v) v.begin(),v.end() #define pb push_back #define fi e.first #define se e.second #define YES(c) cout<<((c)?"YES\n":"NO\n"),0 #define Yes(c) cout<<((c)?"Yes\n":"No\n"),0 #define POSSIBLE(c) cout<<((c)?"POSSIBLE\n":"IMPOSSIBLE\n"),0 #define Possible(c) cout<<((c)?"Possible\n":"Impossible\n"),0 #define o(p) cout<<p<<endl,0 #define sp(p) cout<<p<<" ",0 #define no(p) cout<<p,0 #define psort(l,r) if(l>r)swap(l,r); inline constexpr lint gcd(lint a,lint b){ if(!a||!b)return 0;while(b){ lint c=b;b=a%b;a=c; }return a; } template<typename T> inline constexpr bool chmin(T &mn,const T &cnt){ if(mn>cnt){ mn=cnt;return 1; } else return 0; } template<typename T> inline constexpr bool chmax(T &mx,const T &cnt){ if(mx<cnt){ mx=cnt;return 1; } else return 0; } #define ve(type) vector<type> #define fn(ty1,ty2,ex) [](ty1 a,ty2 b){ return(ex); } #define lfn(ex) [](lint a,lint b){ return(ex); } #pragma endregion #pragma region other #ifdef __ENV_TQK__ #define deb(...) out(__VA_ARGS__) #define dsp(ex) sp(ex) #define dno(ex) no(ex) #else #define deb(...) 0 #define dsp(ex) 0 #define dno(ex) 0 #endif struct Fastio{ Fastio(){ cin.tie(0),cout.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(10); } } __fastio; #pragma endregion #pragma region mint #define md_tmp template<uint_fast64_t md=1000000007> md_tmp class mint{ using u64=uint_fast64_t; public: u64 a; constexpr mint(const u64 x=0) noexcept: a(x%md){} constexpr u64 &value() noexcept{ return a; } constexpr const u64 &value() const noexcept{ return a; } constexpr mint operator+(const mint rhs) const noexcept{ return mint(*this)+=rhs; } constexpr mint operator-(const mint rhs) const noexcept{ return mint(*this)-=rhs; } constexpr mint operator*(const mint rhs) const noexcept{ return mint(*this)*=rhs; } constexpr mint operator^(const lint rhs) const noexcept{ return mint(*this)^=rhs; } constexpr mint operator/(const mint rhs) const noexcept{ return mint(*this)/=rhs; } constexpr mint &operator+=(const mint rhs) noexcept{ a+=rhs.a; if(a>=md)a-=md; return *this; } constexpr mint &operator-=(const mint rhs) noexcept{ if(a<rhs.a)a+=md; a-=rhs.a; return *this; } constexpr mint &operator*=(const mint rhs) noexcept{ a=a*rhs.a%md; return *this; } constexpr mint &operator^=(const lint rhs) noexcept{ if(!rhs)return *this=1; u64 exp=rhs-1; mint base=this->a; while(exp){ if(exp&1)*this*=base; base*=base; exp>>=1; } return *this; } constexpr mint &operator/=(const mint rhs) noexcept{ a=(*this*(rhs^(md-2))).a; return *this; } }; md_tmp istream& operator>>(istream& os,mint<md>& m){ os>>m.a,m.a%=md; return os; } md_tmp ostream& operator<<(ostream& os,const mint<md>& m){ return os<<m.a; } md_tmp mint<md> ncr(lint n,lint r){ if(n<r||n<0||r<0)return mint<md>(0); mint<md>ncr_res=1,ncr_div=1; rep(r)ncr_res*=(n-i),ncr_div*=(r-i); return ncr_res/ncr_div; } #ifndef _AOJ_ mint<> operator""m(const unsigned long long n){ return mint<>(n); } mint<998244353> operator""m9(const unsigned long long n){ return mint<998244353>(n); } mint<1000003> operator""m3(const unsigned long long n){ return mint<1000003>(n); } #endif #pragma endregion #pragma region P class P{ public:lint f,s; P(lint a,lint b):f(a),s(b){}; P():f(0),s(0){}; }; istream& operator>>(istream& os,P& p){ os>>p.f>>p.s;return os; } constexpr bool operator<(const P& l,const P& r){ return(l.f-r.f?l.f<r.f:l.s<r.s); } constexpr bool operator>(const P& l,const P& r){ return(l.f-r.f?l.f>r.f:l.s>r.s); } constexpr bool operator<=(const P& l,const P& r){ return!(l.f-r.f?l.f>r.f:l.s>r.s); } constexpr bool operator>=(const P& l,const P& r){ return!(l.f-r.f?l.f<r.f:l.s<r.s); } #pragma endregion #pragma region rec_lambda template<typename F> #if defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard) [[nodiscard]] #elif defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 4) __attribute__((warn_unused_result)) #endif // defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard) static inline constexpr decltype(auto) rec(F&& f) noexcept{ return[f = std::forward<F>(f)](auto&&... args) { return f(f,std::forward<decltype(args)>(args)...); }; } #pragma endregion #pragma endregion #pragma region const #define linf 1152921504606846976 //#define inf linf #define MAXN 101010 #define md 1000000007//998244353 const ld pi=3.14159265358979323846; const ld tau=(1.+sqrt(5))/2.; //#define mod md_1e9_7 const int d4[5]={0,1,0,-1,0}; #pragma endregion int main(){ ld x1,y1,x2,y2;in(x1,y1,x2,y2);deb(x1*(y2-y1)/(x2+x1)+y1); auto f=[&](ld ix){//fの極大値を求めるならマイナスを付けて返して. return sqrt(x1*x1+(ix-y1)*(ix-y1))+sqrt(x2*x2+(ix-y2)*(ix-y2)); }; ld l=0,r=1000,nl,nr,c=50; while(c--&&l<r)nl=l+(r-l)/(1.+tau),nr=r-(r-l)/(1.+tau),f(nl)>f(nr)?l=nl:r=nr; out(l); } //sub-EOF