結果

問題 No.2602 Real Collider
ユーザー ゆにぽけゆにぽけ
提出日時 2024-01-12 21:41:44
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 3,842 bytes
コンパイル時間 1,040 ms
コンパイル使用メモリ 129,980 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-27 21:40:56
合計ジャッジ時間 4,766 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
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ソースコード

diff # 

#include <iostream>
#include <vector>
#include <algorithm>
#include <array>
#include <iterator>
#include <string>
#include <cctype>
#include <cstring>
#include <cstdlib>
#include <cassert>
#include <cmath>
#include <ctime>
#include <iomanip>
#include <numeric>
#include <stack>
#include <queue>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <bitset>
#include <random>
#include <utility>
#include <functional>
using namespace std;
template<int m> struct modint
{
	private:
	unsigned int value;
	static constexpr int mod() {return m;}

	public:
	constexpr modint(const long long x = 0) noexcept
	{
		long long y = x;
		if(y < 0 || y >= mod())
		{
			y %= mod();
			if(y < 0) y += mod();
		}
		value = (unsigned int)y;
	}
	constexpr unsigned int val() noexcept {return value;}
	constexpr modint &operator+=(const modint &other) noexcept
	{
		value += other.value;
		if(value >= mod()) value -= mod();
		return *this;
	}
	constexpr modint &operator-=(const modint &other) noexcept
	{
		unsigned int x = value;
		if(x < other.value) x += mod();
		x -= other.value;
		value = x;
		return *this;
	}
	constexpr modint &operator*=(const modint &other) noexcept
	{
		unsigned long long x = value;
		x *= other.value;
		value = (unsigned int) (x % mod());
		return *this;
	}
	constexpr modint &operator/=(const modint &other) noexcept
	{
		return *this *= other.inverse();
	}
	constexpr modint inverse() const noexcept
	{
		assert(value);
		long long a = value,b = mod(),x = 1,y = 0;
		while(b)
		{
			long long q = a/b;
			a -= q*b; swap(a,b);
			x -= q*y; swap(x,y);
		}
		return modint(x);
	}
	constexpr modint power(long long N) const noexcept
	{
		assert(N >= 0);
		modint p = *this,ret = 1;
		while(N)
		{
			if(N & 1) ret *= p;
			p *= p;
			N >>= 1;
		}
		return ret;
	}
	constexpr modint operator+() {return *this;}
	constexpr modint operator-() {return modint() - *this;}
	constexpr modint &operator++(int) noexcept {return *this += 1;}
	constexpr modint &operator--(int) noexcept {return *this -= 1;}
	friend modint operator+(const modint& lhs, const modint& rhs) {return modint(lhs) += rhs;}
	friend modint operator-(const modint& lhs, const modint& rhs) {return modint(lhs) -= rhs;}
	friend modint operator*(const modint& lhs, const modint& rhs) {return modint(lhs) *= rhs;}
	friend modint operator/(const modint& lhs, const modint& rhs) {return modint(lhs) /= rhs;}
	friend ostream &operator<<(ostream &os,const modint &x) {return os << x.value;}
};
using mint = modint<998244353>;
/* using mint = modint<1000000007>; */
void solve()
{
	int Q;
	cin >> Q;
	vector<long long> X(3),Y(3);
	for(int i = 0;i < 3;i++) cin >> X[i] >> Y[i];

	long double cx = 0,cy = 0;
	long double r2 = 0;
	long long denom = (X[0] - X[1]) * (Y[1] - Y[2]) - (X[1] - X[2]) * (Y[0] - Y[1]);
	if(denom == 0)
	{
		int mi = 0,mj = 0;
		for(int i = 0;i < 2;i++)for(int j = i + 1;j < 3;j++)
		{
			if((X[mi] - X[mj]) * (X[mi] - X[mj]) + (Y[mi] - Y[mj]) * (Y[mi] - Y[mj]) < (X[i] - X[j]) * (X[i] - X[j]) + (Y[i] - Y[j]) * (Y[i] - Y[j]))
			{
				mi = i,mj = j;
			}
		}
		cx = (long double)(X[mi] + X[mj]) / 2,cy = (long double)(Y[mi] + Y[mj]) / 2;
		r2 = (X[mi] - cx) * (X[mi] - cx) + (Y[mi] - cy) * (Y[mi] - cy);
	}
	else
	{
		for(int i = 0;i < 3;i++)
		{
			cx += (X[i] * X[i] + Y[i] * Y[i]) * (Y[(i + 1) % 3] - Y[(i + 2) % 3]);
			cy += (X[i] * X[i] + Y[i] * Y[i]) * (X[(i + 1) % 3] - X[(i + 2) % 3]);
		}
		cx /= denom * 2;
		cy /= denom * (-2);
		r2 = (X[0] - cx) * (X[0] - cx) + (Y[0] - cy) * (Y[0] - cy);
	}
	cout << cx << " " << cy << " " << r2 << "\n";
	for(;Q--;)
	{
		int x,y;
		cin >> x >> y;
		long double D = (cx - x) * (cx - x) + (cy - y) * (cy - y);
		cout << (D <= r2 ? "Yes\n":"No\n");
	}
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int tt = 1;
	/* cin >> tt; */
	while(tt--) solve();
}
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