結果
| 問題 | No.2628 Shrinkage |
| ユーザー |
 ponjuice
|
| 提出日時 | 2024-02-16 21:51:30 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 9,551 bytes |
| コンパイル時間 | 4,487 ms |
| コンパイル使用メモリ | 271,532 KB |
| 実行使用メモリ | 6,824 KB |
| 最終ジャッジ日時 | 2024-09-28 20:05:41 |
| 合計ジャッジ時間 | 5,375 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge5 |
（要ログイン）
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 | WA | - |
| testcase_02 | WA | - |
| testcase_03 | RE | - |
| testcase_04 | WA | - |
| testcase_05 | WA | - |
| testcase_06 | WA | - |
| testcase_07 | WA | - |
| testcase_08 | WA | - |
| testcase_09 | WA | - |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | RE | - |
| testcase_13 | RE | - |
| testcase_14 | WA | - |
| testcase_15 | WA | - |
| testcase_16 | WA | - |
| testcase_17 | WA | - |
| testcase_18 | WA | - |
| testcase_19 | WA | - |
| testcase_20 | WA | - |
| testcase_21 | RE | - |
| testcase_22 | WA | - |
| testcase_23 | WA | - |
| testcase_24 | WA | - |
| testcase_25 | WA | - |
| testcase_26 | WA | - |
| testcase_27 | WA | - |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
//高速化
struct ponjuice{ponjuice(){cin.tie(0);ios::sync_with_stdio(0);cout<<fixed<<setprecision(20);}}PonJuice;
//#define endl '\n' //インタラクティブ問題の時は消す
//型
using ll = long long;
using ld = long double;
using mint = modint998244353;//1000000007;
template<class T>using vc = vector<T>; template<class T>using vvc = vc<vc<T>>; template<class T>using vvvc = vvc<vc<T>>;
using vi = vc<int>; using vvi = vvc<int>; using vvvi = vvvc<int>;
using vl = vc<ll>; using vvl = vvc<ll>; using vvvl = vvvc<ll>;
using pi = pair<int, int>; using pl = pair<ll, ll>;
using ull = unsigned ll;
template<class T>using priq = priority_queue<T>;
template<class T>using priqg = priority_queue<T, vc<T>, greater<T>>;
// for文
#define overload4(a, b, c, d, e, ...) e
#define rep1(n) for(ll i = 0; i < n; i++)
#define rep2(i, n) for(ll i = 0; i < n; i++)
#define rep3(i, a, b) for(ll i = a; i < b; i++)
#define rep4(i, a, b, step) for(ll i = a; i < b; i+= step)
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)
#define per1(n) for(ll i = n-1; i >= 0; i--)
#define per2(i, n) for(ll i = n-1; i >= 0; i--)
#define per3(i, a, b) for(ll i = b-1; i >= a; i--)
#define per4(i, a, b, step) for(ll i = b-1; i >= a; i-= step)
#define per(...) overload4(__VA_ARGS__, per4, per3, per2, per1)(__VA_ARGS__)
#define fore1(a) for(auto&& i : a)
#define fore2(i,a) for(auto&& i : a)
#define fore3(x,y,a) for(auto&& [x, y] : a)
#define fore4(x,y,z,a) for(auto&& [x, y, z] : a)
#define fore(...) overload4(__VA_ARGS__, fore4, fore3, fore2, fore1)(__VA_ARGS__)
//関数
#define mp make_pair
#define mt make_tuple
#define a first
#define b second
#define pb emplace_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define si(x) (ll)(x).size()
template<class S, class T>inline bool chmax(S& a, T b){return a < b && ( a = b , true);}
template<class S, class T>inline bool chmin(S& a, T b){return a > b && ( a = b , true);}
template<class T>void uniq(vc<T>&a){sort(all(a));a.erase(unique(all(a)),a.end());}
template<class T>vc<T> operator++(vc<T>&v,signed){auto res = v;fore(e,v)e++;return res;}
template<class T>vc<T> operator--(vc<T>&v,signed){auto res = v;fore(e,v)e--;return res;}
template<class T>vc<T> operator++(vc<T>&v){fore(e,v)e++;return v;}
template<class T>vc<T> operator--(vc<T>&v){fore(e,v)e--;return v;}
//入出力(operator)
template<int T>istream&operator>>(istream&is,static_modint<T>&a){ll v;is>>v;a=v;return is;}
istream&operator>>(istream&is,modint&a){ll v;cin>>v;a=v;return is;}
template<class S,class T>istream&operator>>(istream&is,pair<S,T>&a){is>>a.a>>a.b;return is;}
template<class T>istream&operator>>(istream&is,vc<T>&a){fore(e,a)is>>e;return is;}
template<int T>ostream&operator<<(ostream&os,static_modint<T>a){return os<<a.val();}
ostream&operator<<(ostream&os,modint a){return os<<a.val();}
template<class S,class T>ostream&operator<<(ostream&os,pair<S,T>&a){return os<<a.a<<" "<<a.b;}
template<class T>ostream&operator<<(ostream&os,set<T>&a){fore(it,a){os<<it<<" ";}return os;}
template<class T>ostream&operator<<(ostream&os,multiset<T>&a){fore(it,a){os<<it<<" ";}return os;}
template<class S,class T>ostream&operator<<(ostream&os,map<S,T>&a){fore(x,y,a){os<<x<<" "<<y<<"\n";}return os;}
template<class T>ostream&operator<<(ostream&os,unordered_set<T>&a){fore(it,a){os<<it<<" ";}return os;}
template<class S,class T>ostream&operator<<(ostream&os,unordered_map<S,T>&a){fore(x,y,a){os<<x<<" "<<y<<"\n";}return os;}
template<class T>ostream&operator<<(ostream&os,vc<T>&a){fore(e,a)os<<e<<" ";return os;}
template<class T>ostream&operator<<(ostream&os,vvc<T>&a){fore(e,a)os<<e<<"\n";return os;}
//入出力(関数)
vi readvi(ll n){vi a(n);cin>>a;return a;}
vl readvl(ll n){vl a(n);cin>>a;return a;}
vvi readg(ll n,ll m,bool bidirected=true){vvi g(n);rep(i,m){ll a,b;cin>>a>>b;a--;b--;g[a].pb(b);if(bidirected)g[b].pb(a);}return g;}
vvc<pi>readgc(ll n,ll m,bool bidirected=true){vvc<pi> g(n);rep(i,m){ll a,b,c;cin>>a>>b>>c;a--;b--;g[a].pb(b,c);if(bidirected)g[b].pb(a,c);}return g;}
vvi readt(ll n,bool bidirected=true){return readg(n,n-1,bidirected);}
vvc<pi> readtc(ll n,bool bidirected=true){return readgc(n,n-1,bidirected);}
inline void yes(){cout << "Yes\n";}
inline void no(){cout << "No\n";}
inline void yesno(bool y = true){if(y)yes();else no();}
inline void print(){cout<<endl;}
template<class T>inline void print(T a){cout<<a<<endl;}
template<class T,class... Ts>inline void print(T a,Ts ...b){cout<<a;(cout<<...<<(cout<<' ',b));cout<<endl;}
//定数
constexpr ll mod = 998244353;
constexpr ll minf=-(1<<29);
constexpr ll inf=(1<<29);
constexpr ll MINF=-(1LL<<60);
constexpr ll INF=(1LL<<60);
#define equals(a, b) (abs((a) - (b)) < EPS)
const int dx[4] ={-1, 0, 1, 0};
const int dy[4] ={ 0, 1, 0,-1};
const int dx8[8] ={-1,-1,-1, 0, 1, 1, 1, 0};
const int dy8[8] ={-1, 0, 1, 1, 1, 0,-1,-1};
void solve();
int main() {
int t = 1;
cin >>t;
while(t--)solve();
}
#include<complex>
#include<vector>
#include<iostream>
using namespace std;
using Real = ll;
using Point = complex<Real>;
const Real EPS = 1e-8, PI = acos(-1);
// 多分いらない入出力
istream &operator>>(istream &is, Point& p) {
Real a, b;
is >> a >> b;
p = Point(a, b);
return is;
}
ostream &operator<<(ostream &os, Point p) {
return os << fixed << p.real() << " " << p.imag();
}
//////////////////
Point operator*(Point p, Real d) {
return Point(real(p) * d, imag(p) * d);
}
inline bool equal(Real a, Real b){
return fabs(a - b) < EPS;
}
Point unit(Point a) {
return a / abs(a);
}
Point normal(Point a) {
return a * Point(0, 1);
}
Point normalUnit(Point a) {
return unit(normal(a));
}
Real dot(Point a, Point b){
return a.real() * b.real() + a.imag() * b.imag();
}
Real cross(Point a, Point b){
return (a.real() * b.imag() - a.imag() * b.real());
}
Point rotate(Point a, double theta){
return Point(cos(theta) * a.real() - sin(theta) * a.imag(),
sin(theta) * a.real() + cos(theta) * a.imag());
}
Real radianToDegree(Real r) {
return r * 180 / PI;
}
Real degreeToRadian(Real d) {
return d * PI / 180;
}
struct Line{
Point a,b;
Line() = default;
Line(Point A, Point B) : a(A), b(B) {}
// ax + by = c
Line(Real A, Real B, Real C){
if(equal(A, 0)) a = Point(0, C / B), b = Point(1, C / B);
else if(equal(B, 0)) b = Point(C / A, 0), b = Point(C / A, 1);
else a = Point(0, C / B), b = Point(C / A, 0);
}
friend ostream &operator<<(ostream &os, Line &p) {
return os << p.a << " to " << p.b;
}
friend istream &operator>>(istream &is, Line &a) {
return is >> a.a >> a.b;
}
};
using Segment = Line;
struct Circle{
Point p;
Real r;
Circle() = default;
Circle(Point p, Real r) : p(p), r(r) {}
};
// 点pから線lに垂線を下ろした時の交点
Point projection(Line l, Point p){
Real t = dot(p - l.a, l.b - l.a) / norm(l.b - l.a);
return l.a + (l.b - l.a) * t;
}
int ccw(Point a, Point b, Point c){
b -= a;
c -= a;
// 反時計回り
if(cross(b, c) > EPS) return 1;
// 時計回り
if(cross(b, c) < -EPS) return -1;
// c-a-bの順番で点がある
if(dot(b, c) < 0) return -2;
// a-b-cの順番で点がある
if(norm(b) < norm(c)) return 2;
// a-b の間にcがある
return 0;
}
bool isParallel(Line a, Line b){
return equal(cross(a.b - a.a, b.b - b.a), 0);
}
bool isOrthogonal(Line a, Line b){
return equal(dot(a.b - a.a, b.b - b.a), 0);
}
bool IsIntersect(Segment s, Segment t){
return ccw(s.a, s.b, t.a) * ccw(s.a, s.b, t.b) <= 0 && ccw(t.a, t.b, s.a) * ccw(t.a, t.b, s.b) <= 0;
}
Point crossPoint(Line s, Line t){
Real d1 = cross(s.b - s.a, t.b - t.a);
Real d2 = cross(s.b - s.a, s.b - t.a);
if(equal(d1, 0) && equal(d2, 0)){
if( ccw(t.a, t.b, s.a) == 0) return s.a;
if( ccw(t.a, t.b, s.b) == 0) return s.b;
if( ccw(s.a, s.b, t.a) == 0) return t.a;
if( ccw(s.a, s.b, t.b) == 0) return t.b;
}
return t.a + (t.b - t.a) * (d2 / d1);
}
Real distance(Segment l, Point p){
if(dot(l.b - l.a, p - l.a) < EPS) return abs(p - l.a);
if(dot(l.a - l.b, p - l.b) < EPS) return abs(p - l.b);
return abs(cross(l.b - l.a, p - l.a)) / abs(l.b - l.a);
}
Real distance(Segment s, Segment t){
if(IsIntersect(s,t)) return 0;
Real res = distance(s,t.a);
res = min(res, distance(s, t.b));
res = min(res, distance(t, s.a));
res = min(res, distance(t, s.b));
return res;
}
Real area(vector<Point>& p){
Real res = 0;
int n = p.size();
for(int i = 0; i < n - 1; i++){
res += cross(p[i], p[i+1]);
}
res += cross(p[n-1],p[0]);
return res * 0.5;
}
bool isConvex(vector<Point>& p){
bool res = true;
int n = p.size();
for(int i = 0; i < n; i++) {
if(cross(p[(i+1)%n]-p[i], p[(i+2)%n] - p[(i+1)%n]) < -EPS){
res = false;
}
}
return res;
}
void solve(){
Point a,b,c,d;
cin >> a >> b >> c >> d;
Line q(a,c),w(b,d);
if(isParallel(q,w) || norm(a-b) < norm(b-d)){
no();
return;
}
if(q.b != w.b && distance(q,w) == 0){
no();
return;
}
yesno(abs(c.real() - d.real()) * abs(a.imag() - b.imag()) == abs(c.imag() - d.imag()) * abs(a.real() - b.real()) );
}