結果
| 問題 | No.1381 Simple Geometry 1 |
| ユーザー |
 nxteru
|
| 提出日時 | 2021-02-07 20:40:15 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 5,462 bytes |
| コンパイル時間 | 1,920 ms |
| コンパイル使用メモリ | 203,368 KB |
| 最終ジャッジ日時 | 2025-01-18 13:55:26 |
|
ジャッジサーバーID （参考情報） |
judge5 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 29 |
ソースコード
#include <bits/stdc++.h>//#include <atcoder/all>using namespace std;//using namespace atcoder;using ll=long long;#define rng(i,l,r) for(int i=int(l);i<int(r);i++)#define rep(i,r) rng(i,0,r)#define rrng(i,l,r) for(int i=int(r)-1;i>=int(l);i--)#define rrep(i,r) rrng(i,0,r)#define pb push_back#define eb emplace_back#define mp make_pair#define mt make_tuple#define F first#define S second#define bg begin()#define ed end()#define all(x) x.bg,x.ed#define si(x) int(x.size())#define inf INT_MAX/2-100#define infl LLONG_MAX/3#ifdef LOCAL#define dmp(x) cerr<<__LINE__<<' '<<#x<<' '<<x<<endl#else#define dmp(x) void(0)#endiftemplate<class t,class u>bool chmax(t&a,u b){if(a<b)a=b;return a<b;}template<class t,class u>bool chmin(t&a,u b){if(b<a)a=b;return b<a;}template<class t>using vc=vector<t>;template<class t>using vvc=vector<vector<t>>;using pi=pair<int,int>;using pl=pair<ll,ll>;using vi=vc<int>;using vl=vc<ll>;ll readl(void){ll x;cin>>x;return x;}int readi(void){int x;cin>>x;return x;}string readstr(){string s;cin>>s;return s;}vi readvi(int n,int off=0){vi v(n);rep(i,n)v[i]=readi(),v[i]+=off;return v;}vl readvl(int n,int off=0){vl v(n);rep(i,n)v[i]=readl(),v[i]+=off;return v;}template<class t>void print(t x,int suc=1){cout<<x;if(suc==1)cout<<"\n";if(suc==2)cout<<" ";}template<class t>void print(const vc<t>&v,int suc=1){rep(i,si(v))print(v[i],i==int(si(v))-1?1:suc);}template<class t>bool inc(t a,t b,t c){return !(c<b||b<a);}template<class t>void compress(vc<t>&v){sort(all(v));v.erase(unique(all(v)),v.ed);}template<class t>int lwb(const vc<t>&v,const t&a){return lower_bound(all(v),a)-v.bg;}template<class t>struct Compress{vc<t>v;Compress()=default;Compress(const vc<t>&x){add(x);}Compress(const initializer_list<vc<t> >&x){for(auto &p:x)add(p);}void add(const t&x){v.eb(x);}void add(const vc<t>&x){copy(all(x),back_inserter(v));}void build(){compress(v);}int get(const t&x)const{return lwb(v,x);}vc<t>get(const vc<t>&x)const{vc<t>res(x);for(auto &p:res)p=get(p);return res;}const t &operator[](int x)const{return v[x];}int size(){return v.size();}};void Yes(bool ex=true){cout<<"Yes\n";if(ex)exit(0);}void YES(bool ex=true){cout<<"YES\n";if(ex)exit(0);}void No(bool ex=true){cout<<"No\n";if(ex)exit(0);}void NO(bool ex=true){cout<<"NO\n";if(ex)exit(0);}void orYes(bool x,bool ex=true){if(x)Yes(ex);else No(ex);}void orYES(bool x,bool ex=true){if(x)YES(ex);else NO(ex);}void Possible(bool ex=true){cout<<"Possible\n";if(ex)exit(0);}void POSSIBLE(bool ex=true){cout<<"POSSIBLE\n";if(ex)exit(0);}void Impossible(bool ex=true){cout<<"Impossible\n";if(ex)exit(0);}void IMPOSSIBLE(bool ex=true){cout<<"IMPOSSIBLE\n";if(ex)exit(0);}void orPossible(bool x,bool ex=true){if(x)Possible(ex);else Impossible(ex);}void orPOSSIBLE(bool x,bool ex=true){if(x)POSSIBLE(ex);else IMPOSSIBLE(ex);}using uint=unsigned;using ull=unsigned long long;template<uint const& MOD>struct Modular{static constexpr uint const &mod=MOD;uint v;Modular(long long x=0){c(x%mod+mod);}Modular& c(uint x){v=x<mod?x:x-mod;return *this;}Modular pow(int k)const{Modular res(1),tmp(v);while(k){if(k&1)res*=tmp;tmp*=tmp;k>>=1;}return res;}Modular inv()const{return pow(mod-2);}Modular operator-()const{return Modular(mod-v);}Modular& operator+=(const Modular &x){return c(v+x.v);}Modular& operator-=(const Modular &x){return c(v+mod-x.v);}Modular& operator*=(const Modular &x){v=ull(v)*x.v%mod;return *this;}Modular& operator/=(const Modular &x){return *this*=x.inv();}Modular operator+(const Modular &x)const{return Modular(*this)+=x;}Modular operator-(const Modular &x)const{return Modular(*this)-=x;}Modular operator*(const Modular &x)const{return Modular(*this)*=x;}Modular operator/(const Modular &x)const{return Modular(*this)/=x;}friend Modular operator+(long long x,const Modular &y){return Modular(x)+y;}friend Modular operator-(long long x,const Modular &y){return Modular(x)-y;}friend Modular operator*(long long x,const Modular &y){return Modular(x)*y;}friend Modular operator/(long long x,const Modular &y){return Modular(x)/y;}friend ostream& operator<<(ostream&os,const Modular&x){return os<<x.v;}friend istream& operator>>(istream&is,Modular&x){long long p;is>>p;x=Modular(p);return is;}bool operator==(const Modular &x)const{return v==x.v;}bool operator!=(const Modular &x)const{return v!=x.v;}bool operator<(const Modular &x)const{return v<x.v;}explicit operator bool()const{return v;}};uint MODULAR=998244353;//uint MODULAR=1000000007;using Mint=Modular<MODULAR>;vector<Mint>fact,finv,invs;void Initfact(int n=(1<<21)+10){fact.resize(n+1),finv.resize(n+1),invs.resize(n+1);fact[0]=1;for(int i=1;i<=n;i++){fact[i]=fact[i-1]*i;}finv[n]=fact[n].inv();for(int i=n-1;i>=0;i--){finv[i]=finv[i+1]*(i+1);}invs[0]=1;for(int i=0;i<=n;i++){invs[i]=finv[i]*fact[i-1];}}Mint comb(int n,int k){return fact[n]*finv[n-k]*finv[k];}ll gcd(ll a,ll b){if(a<b)swap(a,b);if(b==0)return a;return gcd(b,a%b);}int main(void){cin.tie(0);ios::sync_with_stdio(0);double x,y,z;cin>>x>>y>>z;cout << fixed << setprecision(15) << (x-z*y)/double(2) << endl;}