結果

問題 No.2602 Real Collider
ユーザー iiljjiiljj
提出日時 2024-01-12 22:07:26
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 13,964 bytes
コンパイル時間 1,687 ms
コンパイル使用メモリ 145,984 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-09-27 22:28:05
合計ジャッジ時間 6,711 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
6,940 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,940 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 AC 2 ms
6,940 KB
testcase_09 AC 2 ms
6,944 KB
testcase_10 AC 42 ms
6,940 KB
testcase_11 WA -
testcase_12 AC 22 ms
6,940 KB
testcase_13 AC 11 ms
6,940 KB
testcase_14 AC 22 ms
6,940 KB
testcase_15 AC 12 ms
6,944 KB
testcase_16 AC 20 ms
6,944 KB
testcase_17 WA -
testcase_18 AC 16 ms
6,940 KB
testcase_19 AC 19 ms
6,944 KB
testcase_20 WA -
testcase_21 AC 15 ms
6,944 KB
testcase_22 AC 18 ms
6,940 KB
testcase_23 AC 12 ms
6,940 KB
testcase_24 AC 17 ms
6,944 KB
testcase_25 AC 18 ms
6,940 KB
testcase_26 WA -
testcase_27 AC 21 ms
6,944 KB
testcase_28 WA -
testcase_29 AC 17 ms
6,940 KB
testcase_30 AC 18 ms
6,944 KB
testcase_31 AC 20 ms
6,940 KB
testcase_32 WA -
testcase_33 WA -
testcase_34 AC 19 ms
6,940 KB
testcase_35 AC 13 ms
6,940 KB
testcase_36 WA -
testcase_37 AC 22 ms
6,940 KB
testcase_38 AC 21 ms
6,944 KB
testcase_39 AC 21 ms
6,940 KB
testcase_40 WA -
testcase_41 AC 23 ms
6,944 KB
testcase_42 WA -
testcase_43 AC 19 ms
6,944 KB
testcase_44 WA -
testcase_45 AC 15 ms
6,940 KB
testcase_46 AC 15 ms
6,940 KB
testcase_47 AC 22 ms
6,944 KB
testcase_48 AC 16 ms
6,944 KB
testcase_49 AC 14 ms
6,944 KB
testcase_50 AC 11 ms
6,940 KB
testcase_51 AC 11 ms
6,940 KB
testcase_52 WA -
testcase_53 AC 20 ms
6,940 KB
testcase_54 AC 15 ms
6,940 KB
testcase_55 AC 17 ms
6,940 KB
testcase_56 WA -
testcase_57 AC 17 ms
6,944 KB
testcase_58 AC 7 ms
6,940 KB
testcase_59 AC 18 ms
6,940 KB
testcase_60 WA -
testcase_61 AC 14 ms
6,940 KB
testcase_62 AC 20 ms
6,940 KB
testcase_63 WA -
testcase_64 AC 26 ms
6,940 KB
testcase_65 AC 14 ms
6,940 KB
testcase_66 AC 21 ms
6,940 KB
testcase_67 AC 11 ms
6,940 KB
testcase_68 AC 12 ms
6,944 KB
testcase_69 AC 9 ms
6,940 KB
testcase_70 AC 11 ms
6,940 KB
testcase_71 AC 13 ms
6,940 KB
testcase_72 WA -
testcase_73 WA -
testcase_74 AC 20 ms
6,940 KB
testcase_75 WA -
testcase_76 AC 19 ms
6,944 KB
testcase_77 AC 19 ms
6,944 KB
testcase_78 AC 24 ms
6,940 KB
testcase_79 AC 21 ms
6,944 KB
testcase_80 AC 23 ms
6,944 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

/* #region Head */

// #include <bits/stdc++.h>
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert> // assert.h
#include <cmath>   // math.h
#include <cstring>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pll = pair<ll, ll>;
template <class T> using vc = vector<T>;
template <class T> using vvc = vc<vc<T>>;
using vll = vc<ll>;
using vvll = vvc<ll>;
using vld = vc<ld>;
using vvld = vvc<ld>;
using vs = vc<string>;
using vvs = vvc<string>;
template <class T, class U> using um = unordered_map<T, U>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqa = priority_queue<T, vc<T>, greater<T>>;
template <class T> using us = unordered_set<T>;

#define TREP(T, i, m, n) for (T i = (m), i##_len = (T)(n); i < i##_len; ++(i))
#define TREPM(T, i, m, n) for (T i = (m), i##_max = (T)(n); i <= i##_max; ++(i))
#define TREPR(T, i, m, n) for (T i = (m), i##_min = (T)(n); i >= i##_min; --(i))
#define TREPD(T, i, m, n, d) for (T i = (m), i##_len = (T)(n); i < i##_len; i += (d))
#define TREPMD(T, i, m, n, d) for (T i = (m), i##_max = (T)(n); i <= i##_max; i += (d))

#define REP(i, m, n) for (ll i = (m), i##_len = (ll)(n); i < i##_len; ++(i))
#define REPM(i, m, n) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; ++(i))
#define REPR(i, m, n) for (ll i = (m), i##_min = (ll)(n); i >= i##_min; --(i))
#define REPD(i, m, n, d) for (ll i = (m), i##_len = (ll)(n); i < i##_len; i += (d))
#define REPMD(i, m, n, d) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; i += (d))
#define REPI(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++)
#define REPIR(itr, ds) for (auto itr = ds.rbegin(); itr != ds.rend(); itr++)
#define ALL(x) begin(x), end(x)
#define SIZE(x) ((ll)(x).size())
#define ISIZE(x) ((int)(x).size())
#define PERM(c)                                                                                                        \
    sort(ALL(c));                                                                                                      \
    for (bool c##p = 1; c##p; c##p = next_permutation(ALL(c)))
#define UNIQ(v) v.erase(unique(ALL(v)), v.end());
#define CEIL(a, b) (((a) + (b)-1) / (b))

#define endl '\n'

constexpr ll INF = 1'010'000'000'000'000'017LL;
constexpr int IINF = 1'000'000'007LL;
constexpr ll MOD = 1'000'000'007LL; // 1e9 + 7
// constexpr ll MOD = 998244353;
constexpr ld EPS = 1e-12;
constexpr ld PI = 3.14159265358979323846;

template <typename T> istream &operator>>(istream &is, vc<T> &vec) { // vector 入力
    for (T &x : vec) is >> x;
    return is;
}
template <typename T> ostream &operator<<(ostream &os, const vc<T> &vec) { // vector 出力 (for dump)
    os << "{";
    REP(i, 0, SIZE(vec)) os << vec[i] << (i == i_len - 1 ? "" : ", ");
    os << "}";
    return os;
}
template <typename T> ostream &operator>>(ostream &os, const vc<T> &vec) { // vector 出力 (inline)
    REP(i, 0, SIZE(vec)) os << vec[i] << (i == i_len - 1 ? "\n" : " ");
    return os;
}

template <typename T, size_t _Nm> istream &operator>>(istream &is, array<T, _Nm> &arr) { // array 入力
    REP(i, 0, SIZE(arr)) is >> arr[i];
    return is;
}
template <typename T, size_t _Nm> ostream &operator<<(ostream &os, const array<T, _Nm> &arr) { // array 出力 (for dump)
    os << "{";
    REP(i, 0, SIZE(arr)) os << arr[i] << (i == i_len - 1 ? "" : ", ");
    os << "}";
    return os;
}

template <typename T, typename U> istream &operator>>(istream &is, pair<T, U> &pair_var) { // pair 入力
    is >> pair_var.first >> pair_var.second;
    return is;
}
template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &pair_var) { // pair 出力
    os << "(" << pair_var.first << ", " << pair_var.second << ")";
    return os;
}

// map, um, set, us 出力
template <class T> ostream &out_iter(ostream &os, const T &map_var) {
    os << "{";
    REPI(itr, map_var) {
        os << *itr;
        auto itrcp = itr;
        if (++itrcp != map_var.end()) os << ", ";
    }
    return os << "}";
}
template <typename T, typename U> ostream &operator<<(ostream &os, const map<T, U> &map_var) {
    return out_iter(os, map_var);
}
template <typename T, typename U> ostream &operator<<(ostream &os, const um<T, U> &map_var) {
    os << "{";
    REPI(itr, map_var) {
        auto [key, value] = *itr;
        os << "(" << key << ", " << value << ")";
        auto itrcp = itr;
        if (++itrcp != map_var.end()) os << ", ";
    }
    os << "}";
    return os;
}
template <typename T> ostream &operator<<(ostream &os, const set<T> &set_var) { return out_iter(os, set_var); }
template <typename T> ostream &operator<<(ostream &os, const us<T> &set_var) { return out_iter(os, set_var); }
template <typename T> ostream &operator<<(ostream &os, const pq<T> &pq_var) {
    pq<T> pq_cp(pq_var);
    os << "{";
    if (!pq_cp.empty()) {
        os << pq_cp.top(), pq_cp.pop();
        while (!pq_cp.empty()) os << ", " << pq_cp.top(), pq_cp.pop();
    }
    return os << "}";
}

// tuple 出力
template <size_t N = 0, bool end_line = false, typename... Args> ostream &operator<<(ostream &os, tuple<Args...> &a) {
    if constexpr (N < std::tuple_size_v<tuple<Args...>>) {
        os << get<N>(a);
        if constexpr (N + 1 < std::tuple_size_v<tuple<Args...>>) {
            os << ' ';
        } else if constexpr (end_line) {
            os << '\n';
        }
        return operator<< <N + 1, end_line>(os, a);
    }
    return os;
}
template <typename... Args> void print_tuple(tuple<Args...> &a) { operator<< <0, true>(std::cout, a); }

void pprint() { std::cout << endl; }
template <class Head, class... Tail> void pprint(Head &&head, Tail &&...tail) {
    std::cout << head;
    if (sizeof...(Tail) > 0) std::cout << ' ';
    pprint(move(tail)...);
}

// dump
#define DUMPOUT cerr
void dump_func() { DUMPOUT << endl; }
template <class Head, class... Tail> void dump_func(Head &&head, Tail &&...tail) {
    DUMPOUT << head;
    if (sizeof...(Tail) > 0) DUMPOUT << ", ";
    dump_func(move(tail)...);
}

// chmax (更新「される」かもしれない値が前)
template <typename T, typename U, typename Comp = less<>> bool chmax(T &xmax, const U &x, Comp comp = {}) {
    if (comp(xmax, x)) {
        xmax = x;
        return true;
    }
    return false;
}

// chmin (更新「される」かもしれない値が前)
template <typename T, typename U, typename Comp = less<>> bool chmin(T &xmin, const U &x, Comp comp = {}) {
    if (comp(x, xmin)) {
        xmin = x;
        return true;
    }
    return false;
}

// ローカル用
#ifndef ONLINE_JUDGE
#define DEBUG_
#endif

#ifndef MYLOCAL
#undef DEBUG_
#endif

#ifdef DEBUG_
#define DEB
#define dump(...)                                                                                                      \
    DUMPOUT << "  " << string(#__VA_ARGS__) << ": "                                                                    \
            << "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]" << endl                                        \
            << "    ",                                                                                                 \
        dump_func(__VA_ARGS__)
#else
#define DEB if (false)
#define dump(...)
#endif

#define VAR(type, ...)                                                                                                 \
    type __VA_ARGS__;                                                                                                  \
    assert((std::cin >> __VA_ARGS__));

template <typename T> istream &operator,(istream &is, T &rhs) { return is >> rhs; }
template <typename T> ostream &operator,(ostream &os, const T &rhs) { return os << ' ' << rhs; }

struct AtCoderInitialize {
    static constexpr int IOS_PREC = 15;
    static constexpr bool AUTOFLUSH = false;
    AtCoderInitialize() {
        ios_base::sync_with_stdio(false), std::cin.tie(nullptr), std::cout.tie(nullptr);
        std::cout << fixed << setprecision(IOS_PREC);
        if (AUTOFLUSH) std::cout << unitbuf;
    }
} ATCODER_INITIALIZE;

void Yn(bool p) { std::cout << (p ? "Yes" : "No") << endl; }
void YN(bool p) { std::cout << (p ? "YES" : "NO") << endl; }

template <typename T> constexpr void operator--(vc<T> &v, int) noexcept {
    for (int i = 0; i < ISIZE(v); ++i) v[i]--;
}
template <typename T> constexpr void operator++(vc<T> &v, int) noexcept {
    for (int i = 0; i < ISIZE(v); ++i) v[i]++;
}

/* #endregion */

// #include <atcoder/all>
// using namespace atcoder;

#include <complex>

/* #region RealGeometry */

// ここから幾何テンプレート
using P = complex<ld>; // 2次元平面上の点
using G = vector<P>;
const ld pi = acos(-1);

ld cross(const P &a, const P &b) { return a.real() * b.imag() - a.imag() * b.real(); }
ld dot(const P &a, const P &b) { return a.real() * b.real() + a.imag() * b.imag(); }

/* #region CCW */

/*
                    CCW

 -- BEHIND -- [a -- ON -- b] --- FRONT --

                    CW
 */
// CCW (Counter Clock Wise) 結果列挙体
enum CCW_RESULT {
    CCW = +1,    // 反時計回り
    CW = -1,     // 時計回り
    BEHIND = +2, // 広報
    FRONT = -2,  // 前方
    ON = 0       // 2点間
};

// ベクトル A→B を基準に,点 C がどの方向にあるか(反時計回りかどうか)を調べる.
// 反時計回り ― 延長線上 ― 時計回り,で 1, 0, -1 を返す.
CCW_RESULT ccw(P a, P b, P c) {
    b -= a;
    c -= a;
    if (cross(b, c) > EPS) return CCW;   // counter clockwise
    if (cross(b, c) < -EPS) return CW;   // clockwise
    if (dot(b, c) < 0) return BEHIND;    // c--a--b on line
    if (norm(b) < norm(c)) return FRONT; // a--b--c on line
    return ON;
}

/* #endregion */

bool operator<(const P &a, const P &b) { //
    return abs(real(a) - real(b)) > EPS ? real(a) < real(b) : imag(a) < imag(b);
}

// 2次元平面上の直線を表す構造体
struct L : public vector<P> {
    void regist(const P &a, const P &b) {
        begin()[0] = a;
        begin()[1] = b;
    }
    L(const P &a = P(), const P &b = P()) : vector<P>(2) { regist(a, b); }

    // Ax + By + C = 0
    L(ld A, ld B, ld C) : vector<P>(2) {
        if (abs(A) < EPS && abs(B) < EPS)
            abort();
        else if (abs(A) < EPS)
            regist(P(0, -C / B), P(1, -C / B));
        else if (abs(B) < EPS)
            regist(P(-C / A, 0), P(-C / A, 1));
        else
            regist(P(0, -C / B), P(-C / A, 0));
    }
};

/* #endregion */

/* #region MinBall */

// 2次元平面上の円を表す構造体
struct Circle {
    P p;  // 中心
    ld r; // 半径
    Circle(const P &p = 0, ld r = 0) : p(p), r(r) {}
};
// 2次元平面上の円を表す構造体,ただし半径は2乗で保持する
struct Circle2 {
    P p;   // 中心
    ld r2; // 半径の2乗
    Circle2(const P &p = 0, ld r2 = 0) : p(p), r2(r2) {}
    ld r() { return sqrt(r2); } // 半径を返す
};

// 最小包含円
Circle2 min_ball(vc<P> &points, const int seed = 1333) {
    const int n = ISIZE(points); // 点の個数

    assert(n >= 1);
    if (n == 1) {
        return Circle2(points[0], ld(0));
    }

    mt19937 mt(seed);
    shuffle(ALL(points), mt); // シャッフルすることで平均計算量 O(n) に近づける
    // std::random_shuffle(left, right); // simple but deprecated

    // 3頂点を円周に持つ最小の円を求める
    auto make_circle_3 = [](const P &a, const P &b, const P &c) -> Circle2 {
        ld A = std::norm(b - c), B = std::norm(c - a), C = std::norm(a - b), S = cross(b - a, c - a);
        P p = (A * (B + C - A) * a + B * (C + A - B) * b + C * (A + B - C) * c) / (4 * S * S);
        ld r2 = std::norm(p - a);
        return Circle2(p, r2);
    };

    // 2頂点を円周に持つ最小の円を求める
    auto make_circle_2 = [](const P &a, const P &b) -> Circle2 {
        P c = (a + b) / (ld)2;
        ld r2 = std::norm(a - c);
        return Circle2(c, r2);
    };

    // ある点が,ある円の内部または周上にあるときに true を返す
    // 最終的には,「入るかどうか」ではなく「円の半径の数値」が欲しいので,EPS を足すという仕様でよい
    auto in_circle = [](const P &a, const Circle2 &c) -> bool { return std::norm(a - c.p) <= c.r2 + EPS; };

    // 初期円
    Circle2 c = make_circle_2(points[0], points[1]);

    // MiniDisc
    for (int i = 2; i < n; ++i) {
        if (in_circle(points[i], c)) continue; // 点 i は円の内部に入っているので,c は更新しない

        // MiniDiscWithPoint
        c = make_circle_2(points[0], points[i]);
        for (int j = 1; j < i; ++j) {
            if (in_circle(points[j], c)) continue;

            // MiniDiscWith2Points
            c = make_circle_2(points[i], points[j]);
            for (int k = 0; k < j; ++k) {
                if (in_circle(points[k], c)) continue;
                c = make_circle_3(points[i], points[j], points[k]);
            }
        }
        // この時点で,円 c は点 0, 1, ..., i を含む最小の円になっている
    }
    return c;
}

/* #endregion */

// Problem
void solve() {
    VAR(ll, q);
    VAR(ll, xa, ya, xb, yb, xc, yc);
    vll x(q), y(q);
    REP(i, 0, q) cin >> x[i], y[i];

    vc<P> points = {P(xa, ya), P(xb, yb), P(xc, yc)};
    Circle2 c = min_ball(points);

    REP(i, 0, q) {
        // 中心からの距離
        P rv = P(x[i], y[i]) - c.p;
        ld r2 = rv.real() * rv.real() + rv.imag() * rv.imag();
        Yn(r2 <= c.r2 + EPS);
    }
}

// entry point
int main() {
    solve();
    return 0;
}
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