結果

問題 No.2602 Real Collider
ユーザー fastmathfastmath
提出日時 2024-01-12 22:07:47
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 5,903 bytes
コンパイル時間 1,561 ms
コンパイル使用メモリ 141,308 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-09-27 22:28:48
合計ジャッジ時間 5,973 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge1
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
実行使用メモリ
testcase_00 AC 2 ms
6,816 KB
testcase_01 AC 2 ms
6,944 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 WA -
testcase_05 WA -
testcase_06 AC 2 ms
6,944 KB
testcase_07 AC 2 ms
6,940 KB
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 AC 22 ms
6,944 KB
testcase_13 AC 11 ms
6,940 KB
testcase_14 WA -
testcase_15 AC 13 ms
6,944 KB
testcase_16 WA -
testcase_17 AC 21 ms
6,944 KB
testcase_18 AC 15 ms
6,940 KB
testcase_19 WA -
testcase_20 AC 24 ms
6,944 KB
testcase_21 AC 14 ms
6,940 KB
testcase_22 AC 18 ms
6,944 KB
testcase_23 AC 11 ms
6,944 KB
testcase_24 AC 17 ms
6,944 KB
testcase_25 AC 17 ms
6,944 KB
testcase_26 WA -
testcase_27 AC 20 ms
6,944 KB
testcase_28 WA -
testcase_29 WA -
testcase_30 WA -
testcase_31 WA -
testcase_32 AC 17 ms
6,944 KB
testcase_33 WA -
testcase_34 WA -
testcase_35 WA -
testcase_36 WA -
testcase_37 AC 21 ms
6,940 KB
testcase_38 AC 21 ms
6,944 KB
testcase_39 WA -
testcase_40 WA -
testcase_41 AC 23 ms
6,940 KB
testcase_42 AC 18 ms
6,944 KB
testcase_43 AC 19 ms
6,940 KB
testcase_44 AC 24 ms
6,940 KB
testcase_45 AC 15 ms
6,940 KB
testcase_46 WA -
testcase_47 WA -
testcase_48 WA -
testcase_49 AC 15 ms
6,940 KB
testcase_50 WA -
testcase_51 WA -
testcase_52 AC 9 ms
6,940 KB
testcase_53 WA -
testcase_54 AC 15 ms
6,940 KB
testcase_55 AC 18 ms
6,940 KB
testcase_56 WA -
testcase_57 AC 16 ms
6,944 KB
testcase_58 WA -
testcase_59 AC 19 ms
6,940 KB
testcase_60 WA -
testcase_61 WA -
testcase_62 WA -
testcase_63 WA -
testcase_64 AC 25 ms
6,944 KB
testcase_65 WA -
testcase_66 WA -
testcase_67 AC 11 ms
6,944 KB
testcase_68 WA -
testcase_69 WA -
testcase_70 WA -
testcase_71 WA -
testcase_72 WA -
testcase_73 WA -
testcase_74 WA -
testcase_75 WA -
testcase_76 WA -
testcase_77 WA -
testcase_78 AC 23 ms
6,944 KB
testcase_79 WA -
testcase_80 WA -
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ソースコード

diff # 

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>
#include <fstream>
#include <array>
#include <functional>
#include <stack>
#include <memory>
using namespace std;
#define int long long
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
#define bp __builtin_popcountll
#define ll long long
#define mp make_pair
#define x first
#define y second
#define Time (double)clock()/CLOCKS_PER_SEC
#define munq(a) sort(all(a)); a.resize(unique(all(a))-a.begin())
#define sz(a) ((int)a.size())

#ifdef LOCAL
#define debug(x) do { cout << #x << ": " << x << endl; } while(0)
#define debug2(x, y) do { std::cerr << #x << ", " << #y << ": " << x << ", " << y << endl; } while (0)
#define debug3(x, y, z) do {std::cerr << #x << ", " << #y << ", " << #z << ": " << x << ", " << y << ", " << z << endl; } while(0)
#else
#define debug(x)
#define debug2(x, y) 
#define debug3(x, y, z) 
#endif

#define FORI(i,a,b) for (int i = (a); i < (b); ++i)
#define FOR(i,a) FORI(i,0,a)
#define ROFI(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define ROF(i,a) ROFI(i,0,a)
#define rep(a) FOR(_,a)
#define each(a,x) for (auto& a: x)
#define FORN(i, n) FORI(i, 1, n + 1)

#define ld long double

using vi = vector<int>;
template <typename T>
std::istream& operator >>(std::istream& input, std::pair <T, T> & data)
{
    input >> data.x >> data.y;
    return input;
}
template <typename T>
std::istream& operator >>(std::istream& input, std::vector<T>& data)
{
    for (T& x : data)
        input >> x;
    return input;
}
template <typename T>
std::ostream& operator <<(std::ostream& output, const pair <T, T> & data)
{
    output << "(" << data.x << "," << data.y << ")";
    return output;
}
template <typename T>
std::ostream& operator <<(std::ostream& output, const std::vector<T>& data)
{
    for (const T& x : data)
        output << x << " ";
    return output;
}
ll div_up(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up
ll div_down(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down 
ll math_mod(ll a, ll b) { return a - b * div_down(a, b); }
#define tcT template<class T
#define tcTU tcT, class U
tcT> using V = vector<T>; 
tcT> bool ckmin(T& a, const T& b) {
    return b < a ? a = b, 1 : 0; 
} // set a = min(a,b)
tcT> bool ckmax(T& a, const T& b) {
    return a < b ? a = b, 1 : 0; 
}
tcT> vector <T> presum(vector <T> &a) {
    vector <T> p(a.size() + 1);
    FOR (i, a.size()) {
        p[i + 1] = p[i] + a[i];
    }   
    return p;
}
tcT> vector <T> sufsum(vector <T> &a) {
    vector <T> p(a.size() + 1);
    for (int i = (int)a.size() - 1; i >= 0; --i) {
        p[i] = p[i + 1] + a[i];
    }
    return p;
}
ll gcd(ll a, ll b) {
    while (b) {
        tie(a, b) = mp(b, a % b);
    }
    return a;
}
int Bit(int mask, int bit) { return (mask >> bit) & 1; }

const int mod=(1LL<<31)-1;
const int cn=233811181;
// intersect two lines
struct point {
    int x, y;
    point()
    {

    }
    point(int x,int y)
    {
        this->x=x;this->y=y;
    }
    friend ll scalar(point p, point q) { return p.x * 1LL * q.x + p.y * 1LL * q.y; }

    friend ll cross(point p, point q) { return p.x * 1LL * q.y - p.y * 1LL * q.x; }

    friend istream &operator>>(istream &is, point &p) {
        is >> p.x >> p.y;
        return is;
    }
};

template<typename T>
T sqr(T t) { return t * t; }

struct line {
    double a, b;
    double c;

    line(double x, double y, double a, double b) : a(a), b(b), c(-a * x - b * y) {}
};

struct circle {
    double x, y, r;
    circle(){}
    circle(point a, point b) : x((a.x + b.x) / 2.0), y((a.y + b.y) / 2.0), r(sqrt(sqr(x - a.x) + sqr(y - a.y))) {}

    circle(point a, point b, point c) {
        line l1 = line((a.x + b.x) / 2.0, (a.y + b.y) / 2.0, b.x - a.x, b.y - a.y);
        line l2 = line((a.x + c.x) / 2.0, (a.y + c.y) / 2.0, c.x - a.x, c.y - a.y);
        x = (l1.c * l2.b - l2.c * l1.b) / (l1.b * l2.a - l2.b * l1.a);
        y = (l2.c * l1.a - l1.c * l2.a) / (l1.b * l2.a - l2.b * l1.a);
        r = sqrt(sqr(x - a.x) + sqr(y - a.y));
    }

    friend ostream &operator<<(ostream &os, const circle &c) {
        os << c.x << ' ' << c.y << '\n' << c.r << '\n';
        return os;
    }

    bool contains(point p) const {
        return sqr(p.x - x) + sqr(p.y - y) <= sqr(r);
    }
};
const int maxn=2005;
circle mem[maxn];
circle minDisk2(const vector<point> &wasps, int j, int i) {
    circle ans(wasps[i], wasps[j]);
    for (int k = 0; k < j; ++k) {
        if (ans.contains(wasps[k])) continue;
        ans = circle(wasps[k], wasps[j], wasps[i]);
    }
    return ans;
}

circle minDisk1(const vector<point> &wasps, int i) {
    circle ans(wasps[0], wasps[i]);
    for (int j = 1; j < i; ++j) {
        if (ans.contains(wasps[j])) continue;
        ans = minDisk2(wasps, j, i);
    }
    return ans;
}

circle minDisk0(const vector<point> &wasps) {
    circle ans(wasps[0], wasps[0]);
    mem[0]=ans;
    for (int i = 1; i < wasps.size(); ++i) {
        if (ans.contains(wasps[i])) {mem[i]=ans;continue;}
        ans = minDisk1(wasps, i);
        mem[i]=ans;
    }
    return ans;
}

signed main() {
    #ifdef LOCAL
    #else
    #define endl '\n'
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    int n; cin >> n;
    point A, B, C;
    cin >> A.x >> A.y >> B.x >> B.y >> C.x >> C.y;
    V <point> v = {A, B, C};
    circle c = minDisk0(v);
    //cout << c.x << ' ' << c.y << endl;

    rep (n) {
        point p;cin >> p.x >> p.y;
        if (c.contains(p)) {
            cout << "Yes" << endl;
        }
        else {
            cout<<"No" << endl;
        }
    }
}
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