結果
| 問題 |
No.2602 Real Collider
|
| コンテスト | |
| ユーザー |
👑 potato167
|
| 提出日時 | 2024-01-12 23:27:32 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 37 ms / 2,000 ms |
| コード長 | 3,083 bytes |
| コンパイル時間 | 2,688 ms |
| コンパイル使用メモリ | 199,656 KB |
| 最終ジャッジ日時 | 2025-02-18 19:11:47 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 78 |
ソースコード
#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops")
using namespace std;
using std::cout;
using std::cin;
using std::endl;
using ll=long long;
using ld=long double;
const ll ILL=2167167167167167167;
const int INF=2100000000;
const int mod=998244353;
#define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++)
#define all(p) p.begin(),p.end()
template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>;
template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;}
template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;}
template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());}
template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});}
void yneos(bool a,bool upp=0){if(a) cout<<(upp?"YES\n":"Yes\n"); else cout<<(upp?"NO\n":"No\n");}
template<class T> void vec_out(vector<T> &p,int ty=0){
if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";}
else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}}
template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;}
template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;}
template<class T> T vec_sum(vector<T> &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;}
int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;}
void solve();
// oddloop
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t=1;
//cin>>t;
rep(i,0,t) solve();
}
void solve(){
ll N;
cin>>N;
struct po
{
ll x;
ll y;
};
vector<po> A(3);
vector<po> p(N);
rep(i,0,3) cin>>A[i].x>>A[i].y;
rep(i,0,N) cin>>p[i].x>>p[i].y;
struct poly{
ll x2;
ll x1;
ll y2;
ll y1;
ll c;
};
auto calc=[&](poly a,po b) -> ll {
return a.x1*b.x+a.x2*b.x*b.x+a.y1*b.y+a.y2*b.y*b.y+a.c;
};
auto make_C=[&](po a,po b) -> poly {
poly res;
res.x2=1;
res.y2=1;
res.x1=-a.x-b.x;
res.y1=-a.y-b.y;
res.c=a.x*b.x+a.y*b.y;
return res;
};
rep(i,0,3){
A.push_back(A[i]);
poly C=make_C(A[i],A[i+1]);
if(calc(C,A[i+2])<=0){
rep(j,0,N){
yneos(calc(C,p[j])<=0);
}
return;
}
}
poly l;
l.x2=0;
l.y2=0;
l.x1=(A[0].y-A[1].y);
l.y1=(A[1].x-A[0].x);
l.c=-(l.x1*A[0].x+l.y1*A[0].y);
ll K1=calc(l,A[2]);
poly C=make_C(A[0],A[1]);
ll K2=calc(C,A[2]);
rep(i,0,3){
//cout<<calc(C,A[i])<<" "<<calc(l,A[i])<<endl;
}
if(K1<0) K1*=-1,K2*=-1;
rep(i,0,N){
ll tmp=K1*calc(C,p[i])-K2*calc(l,p[i]);
yneos(tmp<=0);
}
}
potato167