結果
| 問題 |
No.620 ぐるぐるぐるりん
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-12-20 18:09:07 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,502 bytes |
| コンパイル時間 | 2,299 ms |
| コンパイル使用メモリ | 196,332 KB |
| 最終ジャッジ日時 | 2025-01-05 06:04:59 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 WA * 1 |
| other | AC * 11 WA * 15 RE * 2 |
ソースコード
#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>(3.1415926535898);
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 = cos(theta) * dx - sin(theta) * dy;
ans.dy = sin(theta) * dx + cos(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 hypot(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;
}
//#define LOCAL_DEBUG 1
int main()
{
int N;
cin >> N;
for (int q = 0; q < N; q++) {
int T;
cin >> T;
ld p, omega, v, gx, gy;
cin >> p >> omega >> v >> gx >> gy;
const ld l = hypot(omega, (ld)(1 + v));
const ld theta = (1 + v > 0 ? atan(omega / (1 + v)) : PI + atan(omega / (1 + v)));
Vec g{gx - pow(l, T) * cos(T * theta), gy - pow(l, T) * sin(T * theta)};
ld F = 0;
for (int i = 0; i < T; i++) {
if (l < 1) {
F += pow(l, 2 * T - 2 - 2 * i);
} else {
F += pow(l, 2 * i);
}
}
ld sum = 0;
vector<Vec> u(T);
for (int i = 0; i < T; i++) {
const Vec v = g.rotate((i + 1 - T) * theta) * (pow(l, T - 1 - i) / F);
u[i] = v;
sum += v.norm() * v.norm();
cout << v.dx << " " << v.dy << endl;
}
assert(sum < p);
#ifdef LOCAL_DEBUG
ld xpos = 1;
ld ypos = 0;
const string name = "data_" + to_string(T) + "_" + to_string(p) + "_" + to_string(omega) + "_" + to_string(v) + "_" + to_string(gx) + "_" + to_string(gy);
ofstream fout(name);
fout << fixed << setprecision(15) << xpos << " " << ypos << endl;
for (int i = 0; i < T; i++) {
ld x = xpos * (1 + v) - ypos * omega + u[i].dx;
ld y = ypos * (1 + v) + xpos * omega + u[i].dy;
fout << x << " " << y << endl;
xpos = x;
ypos = y;
}
cerr << "# result #" << endl;
cerr << gx << " " << gy << endl;
cerr << xpos << " " << ypos << endl;
fout.close();
FILE* fp = popen("gnuplot -persist", "w");
if (not fp) {
cerr << "udwiqhduqdhwiodhqoidw" << endl;
} else {
fprintf(fp, "set terminal png\n");
fprintf(fp, "set output \"%s.png\"\n", name.c_str());
fprintf(fp, "plot \"%s\" w lp\n", name.c_str());
fflush(fp);
fclose(fp);
}
#endif
}
return 0;
}