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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#335258#6734. Click the Circleucup-team1198Compile Error//C++178.1kb2024-02-23 03:23:072024-02-23 03:23:08

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  • [2024-02-23 03:23:08]
  • 评测
  • [2024-02-23 03:23:07]
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answer

#include <map>
#include <set>
#include <array>
#include <cmath>
#include <deque>
#include <bitset>
#include <random>
#include <string>
#include <vector>
#include <cassert>
#include <complex>
#include <iomanip>
#include <iostream>
#include <algorithm>
#include <unordered_map>
#include <unordered_set>

using namespace std;

struct Point{
	__int128 x, y;
	//Point(__int128 x, __int128 y): x(x), y(y) {}
	Point(__int128 x, __int128 y): x(x), y(y) {}
	Point(): x(0), y(0) {}
};

Point operator+(const Point& first, const Point& second) {
	return Point(first.x + second.x, first.y + second.y);
}

Point operator-(const Point& first, const Point& second) {
	return Point(first.x - second.x, first.y - second.y);
}

__int128 cross(const Point& first, const Point& second) {
	return first.x * second.y - first.y * second.x;
}

__int128 dot(const Point& first, const Point& second) {
	return first.x * second.x + first.y * second.y;
}

__int128 sqrlen(const Point& P) {
	return P.x * P.x + P.y * P.y;
}

Point operator*(const Point& A, __int128 c) {
	return Point(A.x * c, A.y * c);
}

bool operator==(const Point& P, const Point& Q) {
	return P.x == Q.x && P.y == Q.y;
}

void print(Point P) {
	cout << int(P.x) << ' ' << int(P.y) << '\n';
}
void print(__int128 x) {
	cout << int(x) << '\n';
}

__int128 r, d;

struct Circle {
	Point c;
	__int128 t1, t2;
};

struct MoveCircle {
	Point a, b;
	__int128 t1, t2;
};

bool circles_intersect_good(Circle C1, Circle C2, __int128 d) {
	__int128 t1 = max(C1.t1, C2.t1);
	__int128 t2 = min(C1.t2, C2.t2);
	if (t1 <= t2)
		return sqrlen(C1.c - C2.c) <= d;
	return false;
}

struct Line{
	__int128 a;
	__int128 b;
	__int128 c;
	Line(Point A, Point B) {
		a = A.y - B.y;
		b = B.x - A.x;
		c = -a * A.x - b * A.y;
	}
	__int128 at(Point P) {
		return a * P.x + b * P.y + c;
	}
};

__int128 sign(__int128 x) {
	if (x > 0)
		return 1;
	if (x < 0)
		return -1;
	return 0;
}

bool point_segm_intersect_good(Point A, Point B, Point C, __int128 d) {
	if (B == C) {
		return sqrlen(A - B) <= d;
	}
	if (dot(A - B, C - B) >= 0 && dot(A - C, B - C) >= 0) {
		Line l(B, C);
		return l.at(A) * l.at(A) <= d * (l.a * l.a + l.b * l.b); // might overflow
	}
	return min(sqrlen(A - C), sqrlen(A - B)) <= d;
}

bool segm_segm_intersect_good(Point A, Point B, Point C, Point D, __int128 d) {
	if (point_segm_intersect_good(A, C, D, d) || point_segm_intersect_good(B, C, D, d) || point_segm_intersect_good(C, A, B, d) || point_segm_intersect_good(D, A, B, d))
		return true;
	if (A == B)
		return false;
	if (C == D)
		return false;
	Line l1(A, B);
	Line l2(C, D);
	if (sign(l1.at(C)) * sign(l1.at(D)) <= 0 && sign(l2.at(A)) * sign(l2.at(B)) <= 0)
		return true;
	return false;
}

bool slider_with_circle(Circle C, MoveCircle k) {
	__int128 t1 = max(C.t1, k.t1 - d);
	__int128 t2 = min(C.t2, k.t2 + d);
	if (t1 > t2)
		return false;
	return point_segm_intersect_good(C.c, k.a, k.b, 4 * r * r);
}

bool circle_moving_circle(Circle C, MoveCircle k) {
	Circle kek1(k.a, k.t1 - d, k.t1);
	Circle kek2(k.b, k.t2, k.t2 + d);
	if (circles_intersect_good(C, kek1, 4 * r * r)) {
		return true;
	}
	if (circles_intersect_good(C, kek2, 4 * r * r)) {
		return true;
	}
			__int128 to_mul = k.t2 - k.t1;
			Point P = C.c * to_mul;
			Point delta = k.b - k.a;
			Point A = k.a * to_mul;
			Point B = k.b * to_mul;
			__int128 t1 = max(C.t1, k.t1);
			__int128 t2 = min(C.t2, k.t2);
			if (t1 > t2)
				return false;
			A = A + delta * (t1 - k.t1);
			B = B - delta * (k.t2 - t2);
			return point_segm_intersect_good(P, A, B, 4 * r * r * to_mul * to_mul);
}

pair<long double, long double> make_cringe(Point P) {
	return make_pair((long double)P.x, (long double)P.y);
}

pair<long double, long double> operator-(const pair<long double, long double>& a, const pair<long double, long double>& b) {
	return make_pair(a.first - b.first, a.second - b.second);
}


pair<long double, long double> operator+(const pair<long double, long double>& a, const pair<long double, long double>& b) {
	return make_pair(a.first + b.first, a.second + b.second);
}

pair<long double, long double> operator*(const pair<long double, long double>& a, long double c) {
	return make_pair(a.first * c, a.second * c);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);

	int n, rr, dd;
	cin >> n >> rr >> dd;
	r = rr;
	d = dd;
	vector<Circle> circles;
	vector<MoveCircle> move_circles;
	for (int i = 0; i < n; ++i) {
		int t;
		cin >> t;
		if (t == 1) {
			int x, y, t;
			cin >> x >> y >> t;
			circles.emplace_back(Point(x, y), t - d, t + d);
		} else {
			int x1, y1, x2, y2, u, v;
			cin >> x1 >> y1 >> x2 >> y2 >> u >> v;
			move_circles.emplace_back(Point(x1, y1), Point(x2, y2), u, v);
		}
	}
	int ans = move_circles.size();
	// circle with circle
	for (int i = 0; i < circles.size(); ++i) {
		for (int j = 0; j < i; ++j) {
			Circle C1 = circles[i];
			Circle C2 = circles[j];
			if (circles_intersect_good(C1, C2, 4 * r * r))
				++ans;
		}
	}
	// circle with moving
	for (Circle C : circles) {
		for (MoveCircle k : move_circles) {
			ans += circle_moving_circle(C, k);
		}
	}
	// circle with slider
	for (Circle C : circles) {
		for (MoveCircle k : move_circles) {
			ans += slider_with_circle(C, k);
		}
	}
	// slider with slider
	for (int i = 0; i < move_circles.size(); ++i) {
		for (int j = 0; j < i; ++j) {
			auto lol = move_circles[i];
			auto kek = move_circles[j];
			__int128 t1 = max(lol.t1 - d, kek.t1 - d);
			__int128 t2 = min(lol.t2 + d, kek.t2 + d);
			if (t1 <= t2) {
				ans += segm_segm_intersect_good(lol.a, lol.b, kek.a, kek.b, 4 * r * r);
			}
		}
	}
	// slider with moving
	for (int i = 0; i < move_circles.size(); ++i) {
		for (int j = 0; j < move_circles.size(); ++j) {
			if (j == i)
				continue;
			auto lol = move_circles[i];
			auto kek = move_circles[j];

			if (slider_with_circle(Circle(kek.a, kek.t1 - d, kek.t1), lol)) {
				++ans;
				continue;
			}
			if (slider_with_circle(Circle(kek.b, kek.t2, kek.t2 + d), lol)) {
				++ans;
				continue;
			}
			__int128 to_mul = kek.t2 - kek.t1;
			Point delta = kek.b - kek.a;
			__int128 t1 = max(lol.t1 - d, kek.t1);
			__int128 t2 = min(lol.t2 + d, kek.t2);
			if (t1 > t2)
				continue;
			Point A = kek.a * to_mul + delta * (t1 - kek.t1);
			Point B = kek.b * to_mul - delta * (kek.t2 - t2);
			if (segm_segm_intersect_good(lol.a * to_mul, lol.b * to_mul, A, B, 4 * r * r * to_mul * to_mul)) {
				++ans;
			}
		}
	}
	// moving with moving
	for (int i = 0; i < move_circles.size(); ++i) {
		for (int j = 0; j < i; ++j) {
			auto lol = move_circles[i];
			Circle lol1(lol.a, lol.t1 - d, lol.t1);
			Circle lol2(lol.b, lol.t2, lol.t2 + d);
			auto kek = move_circles[j];
			Circle kek1(kek.a, kek.t1 - d, kek.t1);
			Circle kek2(kek.b, kek.t2, kek.t2 + d);
			if (circle_moving_circle(lol1, kek) || circle_moving_circle(lol2, kek) ||
				circle_moving_circle(kek1, lol) || circle_moving_circle(kek2, lol)) {
				cerr << "here\n";
				++ans;
				continue;
			}

			__int128 t1 = max(lol.t1, kek.t1);
			__int128 t2 = min(lol.t2, kek.t2);
			if (t1 > t2)
				continue;
			auto lol_a = make_cringe(lol.a);
			auto lol_b = make_cringe(lol.b);
			auto kek_a = make_cringe(kek.a);
			auto kek_b = make_cringe(kek.b);

			auto move1 = (lol_b - lol_a) * ((long double)(1.0) / (lol.t2 - lol.t1));
			auto move2 = (kek_b - kek_a) * ((long double)(1.0) / (kek.t2 - kek.t1));
			lol_a = lol_a + move1 * ((long double)(t1 - lol.t1));
			kek_a = kek_a + move2 * ((long double)(t1 - kek.t1));

			auto p1 = lol_a - kek_a;
			auto move = move1 - move2;
			long double mxt = t2 - t1;
			long double a = (move.first * move.first + move.second * move.second);
			long double b = 2 * move.first * p1.first + 2 * move.second * p1.second;
			long double c = p1.first * p1.first + p1.second * p1.second;
			if (abs(a) < 1e-7)
				continue;
			long double opt = -b / 2 / a;
			if (0 <= opt && opt <= mxt) {
				if (a * opt * opt + b * opt + c <= 4 * r * r) {
					++ans;
				}
			}
		}
	}
	cout << ans << '\n';
	return 0;
}

详细

answer.code: In function ‘bool circle_moving_circle(Circle, MoveCircle)’:
answer.code:138:40: error: no matching function for call to ‘Circle::Circle(Point&, __int128, __int128&)’
  138 |         Circle kek1(k.a, k.t1 - d, k.t1);
      |                                        ^
answer.code:64:8: note: candidate: ‘Circle::Circle()’
   64 | struct Circle {
      |        ^~~~~~
answer.code:64:8: note:   candidate expects 0 arguments, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(const Circle&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(Circle&&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:139:40: error: no matching function for call to ‘Circle::Circle(Point&, __int128&, __int128)’
  139 |         Circle kek2(k.b, k.t2, k.t2 + d);
      |                                        ^
answer.code:64:8: note: candidate: ‘Circle::Circle()’
   64 | struct Circle {
      |        ^~~~~~
answer.code:64:8: note:   candidate expects 0 arguments, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(const Circle&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(Circle&&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code: In function ‘int main()’:
answer.code:243:80: error: no matching function for call to ‘Circle::Circle(Point&, __int128, __int128&)’
  243 |                         if (slider_with_circle(Circle(kek.a, kek.t1 - d, kek.t1), lol)) {
      |                                                                                ^
answer.code:64:8: note: candidate: ‘Circle::Circle()’
   64 | struct Circle {
      |        ^~~~~~
answer.code:64:8: note:   candidate expects 0 arguments, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(const Circle&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(Circle&&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:247:80: error: no matching function for call to ‘Circle::Circle(Point&, __int128&, __int128)’
  247 |                         if (slider_with_circle(Circle(kek.b, kek.t2, kek.t2 + d), lol)) {
      |                                                                                ^
answer.code:64:8: note: candidate: ‘Circle::Circle()’
   64 | struct Circle {
      |        ^~~~~~
answer.code:64:8: note:   candidate expects 0 arguments, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(const Circle&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(Circle&&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:268:62: error: no matching function for call to ‘Circle::Circle(Point&, __int128, __int128&)’
  268 |                         Circle lol1(lol.a, lol.t1 - d, lol.t1);
      |                                                              ^
answer.code:64:8: note: candidate: ‘Circle::Circle()’
   64 | struct Circle {
      |        ^~~~~~
answer.code:64:8: note:   candidate expects 0 arguments, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(const Circle&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(Circle&&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:269:62: error: no matching function for call to ‘Circle::Circle(Point&, __int128&, __int128)’
  269 |                         Circle lol2(lol.b, lol.t2, lol.t2 + d);
      |                                                              ^
answer.code:64:8: note: candidate: ‘Circle::Circle()’
   64 | struct Circle {
      |        ^~~~~~
answer.code:64:8: note:   candidate expects 0 arguments, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(const Circle&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(Circle&&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:271:62: error: no matching function for call to ‘Circle::Circle(Point&, __int128, __int128&)’
  271 |                         Circle kek1(kek.a, kek.t1 - d, kek.t1);
      |                                                              ^
answer.code:64:8: note: candidate: ‘Circle::Circle()’
   64 | struct Circle {
      |        ^~~~~~
answer.code:64:8: note:   candidate expects 0 arguments, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(const Circle&)’
answer.code:64:8: note:   candidate expects 1 argument, 3 provided
answer.code:64:8: note: candidate: ‘constexpr Circle::Circle(Circle&&)’
answer.code:64:8: note:   candidate expects 1 argument...