結果

問題 No.620 ぐるぐるぐるりん
コンテスト
ユーザー Pachicobue
提出日時 2017-12-20 19:17:07
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 4,839 bytes
コンパイル時間 2,071 ms
コンパイル使用メモリ 197,408 KB
最終ジャッジ日時 2025-01-05 06:05:42
ジャッジサーバーID
（参考情報） 		judge3 / judge1
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 3
other AC * 27 WA * 1
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 # 

#include <bits/stdc++.h>

#define VARNAME(x) #x
#define show(x) cerr << #x << " = " << x << endl

using namespace std;
using ll = long long;
using ld = long double;

template <typename T>
ostream& operator<<(ostream& os, const vector<T>& v)
{
    os << "sz:" << v.size() << "\n[";
    for (const auto& p : v) {
        os << p << ",";
    }
    os << "]\n";
    return os;
}

template <typename S, typename T>
ostream& operator<<(ostream& os, const pair<S, T>& p)
{
    os << "(" << p.first << "," << p.second
       << ")";
    return os;
}


constexpr ll MOD = (ll)1e9 + 7LL;
constexpr ld PI = static_cast<ld>(3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067982148086513282306647093844609550582231725359408128481117450284102701938521105559644622948954930381964428810975665933446128475648233786783165271201909145648566923460348610454326648213393607260249141273724587006606315588174881520920962829254091715364367892590360011330530548820466521384146951941511609433057270365759591953092186117381932611793105118548074462379962749567351885752724891227938183011949129833673362440656643086021394946395224737190702179860943702770539217176293176752384674818467669405132000568127145263560827785771342757789609173637178721468440901224953430146549585371050792279689258923542019956112129021960864034418159813629774771309960518707211349999998372978049951059731732816096318595024459455346908302642522308253344685035261931188171010003137838752886587533208381420617177669147303);

template <typename T>
constexpr T INF = numeric_limits<T>::max() / 10;

struct Vec {
    Vec() : dx{0}, dy{0} {}
    Vec(const ld dx, const ld dy) : dx{dx}, dy{dy} {}
    ld dx;
    ld dy;
    Vec rotate(const ld theta) const
    {
        Vec ans;
        ans.dx = cosl(theta) * dx - sinl(theta) * dy;
        ans.dy = sinl(theta) * dx + cosl(theta) * dy;
        return ans;
    }
    Vec operator*(const ld x) const
    {
        Vec ans = *this;
        ans.dx *= x;
        ans.dy *= x;
        return ans;
    }
    ld norm() const
    {
        return hypotl(dx, dy);
    }
    void normalize()
    {
        const ld n = norm();
        dx /= n;
        dy /= n;
    }
};
ostream& operator<<(ostream& os, const Vec& v)
{
    os << "(" << v.dx << "," << v.dy << ")";
    return os;
}

ld power(const ld p, const int n)
{
    if (n < 0) {
        return power((ld)(1 / p), n);
    }
    if (n == 0) {
        return 1;
    }
    if (n % 2 == 1) {
        return power(p, n - 1) * p;
    } else {
        const ld pp = power(p, n / 2);
        return pp * pp;
    }
}

//#define LOCAL_DEBUG 1

int main()
{
    int N;
    cin >> N;
    for (int q = 0; q < N; q++) {
        int T;
        cin >> T;
        long double p, omega, v, gx, gy;
        cin >> p >> omega >> v >> gx >> gy;
        const ld l = hypotl(omega, (ld)(1 + v));
        const ld theta = arg(complex<ld>{(ld)(1 + v) / l, omega / l});
        Vec g{gx - power(l, T) * cosl((ld)T * theta), gy - power(l, T) * sinl((ld)T * theta)};
        ld F = 0;
        for (int i = 0; i < T; i++) {
            if (l < 1) {
                F += power(l, 2 * T - 2 - 2 * i);
            } else {
                F += power(l, 2 * i);
            }
        }
        ld sum = 0;
        vector<Vec> u(T);

        if (omega == 0 and v == -1) {
            for (int i = 0; i < T; i++) {
                if (i == 0) {
                    u[i] = Vec{gx, gy};
                } else {
                    u[i] = Vec{};
                }
                sum += u[i].norm() * u[i].norm();
                cout << fixed << setprecision(50) << (long double)u[i].dx << " " << (long double)u[i].dy << endl;
            }

        } else {
            for (int i = 0; i < T; i++) {
                const Vec v = g.rotate(theta * (ld)(i + 1 - T)) * (power(l, T - 1 - i) / F);
                u[i] = v;
                sum += v.norm() * v.norm();
                cout << fixed << setprecision(50) << (long double)v.dx << " " << (long double)v.dy << endl;
            }
        }
#ifdef LOCAL_DEBUG
        cerr << "# HP #" << endl;
        cerr << fixed << setprecision(30) << (long double)p << endl;
        cerr << "# used #" << endl;
        cerr << fixed << setprecision(30) << (long double)sum << endl;
        ld xpos = 1;
        ld ypos = 0;
        for (int i = 0; i < T; i++) {
            ld x = xpos * ((ld)1 + v) - ypos * omega + u[i].dx;
            ld y = ypos * ((ld)1 + v) + xpos * omega + u[i].dy;
            xpos = x;
            ypos = y;
        }
        cerr << "# actual goal#" << endl;
        cerr << fixed << setprecision(30) << (long double)gx << " " << (long double)gy << endl;
        cerr << "# result #" << endl;
        cerr << fixed << setprecision(30) << (long double)xpos << " " << (long double)ypos << endl;
#endif
    }
    return 0;
}
0