結果
| 問題 |
No.2628 Shrinkage
|
| コンテスト | |
| ユーザー |
Misuki
|
| 提出日時 | 2024-02-16 22:09:45 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,211 bytes |
| コンパイル時間 | 1,961 ms |
| コンパイル使用メモリ | 199,432 KB |
| 実行使用メモリ | 6,824 KB |
| 最終ジャッジ日時 | 2024-09-28 20:27:17 |
| 合計ジャッジ時間 | 2,706 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 1 WA * 27 |
ソースコード
#pragma GCC optimize("O2")
#include <algorithm>
#include <array>
#include <bit>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cfenv>
#include <cfloat>
#include <chrono>
#include <cinttypes>
#include <climits>
#include <cmath>
#include <compare>
#include <complex>
#include <concepts>
#include <cstdarg>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <deque>
#include <fstream>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <ios>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <memory>
#include <new>
#include <numbers>
#include <numeric>
#include <ostream>
#include <queue>
#include <random>
#include <ranges>
#include <set>
#include <span>
#include <sstream>
#include <stack>
#include <streambuf>
#include <string>
#include <tuple>
#include <type_traits>
#include <variant>
#define int ll
#define INT128_MAX (__int128)(((unsigned __int128) 1 << ((sizeof(__int128) * __CHAR_BIT__) - 1)) - 1)
#define INT128_MIN (-INT128_MAX - 1)
#define clock chrono::steady_clock::now().time_since_epoch().count()
#ifdef DEBUG
#define dbg(x) cout << (#x) << " = " << x << '\n'
#else
#define dbg(x)
#endif
namespace R = std::ranges;
namespace V = std::views;
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ldb = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
//#define double ldb
template<class T>
ostream& operator<<(ostream& os, const pair<T, T> pr) {
return os << pr.first << ' ' << pr.second;
}
template<class T, size_t N>
ostream& operator<<(ostream& os, const array<T, N> &arr) {
for(const T &X : arr)
os << X << ' ';
return os;
}
template<class T>
ostream& operator<<(ostream& os, const vector<T> &vec) {
for(const T &X : vec)
os << X << ' ';
return os;
}
template<class T>
ostream& operator<<(ostream& os, const set<T> &s) {
for(const T &x : s)
os << x << ' ';
return os;
}
//source: KACTL
template <class T> int sgn(T x) { return (x > 0) - (x < 0); }
template<class T>
struct Point {
typedef Point P;
T x, y;
explicit Point(T x=0, T y=0) : x(x), y(y) {}
bool operator<(P p) const { return tie(x,y) < tie(p.x,p.y); }
bool operator==(P p) const { return tie(x,y)==tie(p.x,p.y); }
P operator+(P p) const { return P(x+p.x, y+p.y); }
P operator-(P p) const { return P(x-p.x, y-p.y); }
P operator*(T d) const { return P(x*d, y*d); }
P operator/(T d) const { return P(x/d, y/d); }
T dot(P p) const { return x*p.x + y*p.y; }
T cross(P p) const { return x*p.y - y*p.x; }
T cross(P a, P b) const { return (a-*this).cross(b-*this); }
T dist2() const { return x*x + y*y; }
double dist() const { return sqrt((double)dist2()); }
// angle to x-axis in interval [-pi, pi]
double angle() const { return atan2(y, x); }
P unit() const { return *this/dist(); } // makes dist()=1
P perp() const { return P(-y, x); } // rotates +90 degrees
P normal() const { return perp().unit(); }
// returns point rotated 'a' radians ccw around the origin
P rotate(double a) const {
return P(x*cos(a)-y*sin(a),x*sin(a)+y*cos(a)); }
friend ostream& operator<<(ostream& os, P p) {
return os << "(" << p.x << "," << p.y << ")"; }
};
using P = Point<int>;
//source: KACTL
template<class P>
double lineDist(const P& a, const P& b, const P& p) {
return (double)(b-a).cross(p-a)/(b-a).dist();
}
P linearTransformation(const P& p0, const P& p1,
const P& q0, const P& q1, const P& r) {
P dp = p1-p0, dq = q1-q0, num(dp.cross(dq), dp.dot(dq));
return q0 + P((r-p0).cross(num), (r-p0).dot(num))/dp.dist2();
}
template<class P> bool onSegment(P s, P e, P p) {
return p.cross(s, e) == 0 && (s - p).dot(e - p) <= 0;
}
template<class P>
int sideOf(P s, P e, P p) { return sgn(s.cross(e, p)); }
template<class P>
int sideOf(const P& s, const P& e, const P& p, double eps) {
auto a = (e-s).cross(p-s);
double l = (e-s).dist()*eps;
return (a > l) - (a < -l);
}
template<class P>
bool lineInter(P s1, P e1, P s2, P e2) {
auto d = (e1 - s1).cross(e2 - s2);
if (d == 0) // if parallel
return false;
else
return true;
}
template<class P> vector<P> segInter(P a, P b, P c, P d) {
auto oa = c.cross(d, a), ob = c.cross(d, b),
oc = a.cross(b, c), od = a.cross(b, d);
// Checks if intersection is single non-endpoint point.
if (sgn(oa) * sgn(ob) < 0 && sgn(oc) * sgn(od) < 0)
return {(a * ob - b * oa) / (ob - oa)};
set<P> s;
if (onSegment(c, d, a)) s.insert(a);
if (onSegment(c, d, b)) s.insert(b);
if (onSegment(a, b, c)) s.insert(c);
if (onSegment(a, b, d)) s.insert(d);
return {begin(s), end(s)};
}
template<class P>
P lineProj(P a, P b, P p, bool refl=false) {
P v = b - a;
return p - v.perp()*(1+refl)*v.cross(p-a)/v.dist2();
}
signed main() {
ios::sync_with_stdio(false), cin.tie(NULL);
int t; cin >> t;
while(t--) {
P a, b, c, d; cin >> a.x >> a.y >> b.x >> b.y >> c.x >> c.y >> d.x >> d.y;
if (a == c and b == d) {
cout << "Yes\n";
continue;
}
if (lineInter(a, b, c, d) or (c - d).dist2() >= (a - b).dist2()) {
cout << "No\n";
} else {
cout << "Yes\n";
}
}
return 0;
}
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