/*************************************
* author: marvinthang *
* created: 11.03.2024 09:22:47 *
*************************************/
#include "nice_lines.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define left ___left
#define right ___right
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
#define MASK(i) (1LL << (i))
#define BIT(x, i) ((x) >> (i) & 1)
#define __builtin_popcount __builtin_popcountll
#define ALL(v) (v).begin(), (v).end()
#define REP(i, n) for (int i = 0, _n = (n); i < _n; ++i)
#define REPD(i, n) for (int i = (n); i-- > 0; )
#define FOR(i, a, b) for (int i = (a), _b = (b); i < _b; ++i)
#define FORD(i, b, a) for (int i = (b), _a = (a); --i >= _a; )
#define FORE(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define FORDE(i, b, a) for (int i = (b), _a = (a); i >= _a; --i)
#define scan_op(...) istream & operator >> (istream &in, __VA_ARGS__ &u)
#define print_op(...) ostream & operator << (ostream &out, const __VA_ARGS__ &u)
#ifdef LOCAL
#include "debug.h"
#else
#define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
#define DB(...) 23
#define db(...) 23
#define debug(...) 23
#endif
template <class U, class V> scan_op(pair <U, V>) { return in >> u.first >> u.second; }
template <class T> scan_op(vector <T>) { for (size_t i = 0; i < u.size(); ++i) in >> u[i]; return in; }
template <class U, class V> print_op(pair <U, V>) { return out << '(' << u.first << ", " << u.second << ')'; }
template <size_t i, class T> ostream & print_tuple_utils(ostream &out, const T &tup) { if constexpr(i == tuple_size<T>::value) return out << ")"; else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); }
template <class ...U> print_op(tuple<U...>) { return print_tuple_utils<0, tuple<U...>>(out, u); }
template <class Con, class = decltype(begin(declval<Con>()))> typename enable_if <!is_same<Con, string>::value, ostream&>::type operator << (ostream &out, const Con &con) { out << '{'; for (__typeof(con.begin()) it = con.begin(); it != con.end(); ++it) out << (it == con.begin() ? "" : ", ") << *it; return out << '}'; }
// end of template
#define double long double
const double EPS = 1e-6;
const int MAX_C = 1e4;
const int PX = 2e4 + 1;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template <class T> T rand(T l, T h) { return uniform_int_distribution <T> (l, h) (rng); }
template <class T> T rand(T h) { return uniform_int_distribution <T> (0, h - 1) (rng); }
void solve(int subtask_id, int n) {
auto collinear = [&] (double x0, double y0, double x1,double y1, double x2, double y2) {
x1 -= x0; y1 -= y0; x2 -= x0; y2 -= y0;
return abs(x1 * y2 - x2 * y1) <= EPS;
};
vector <int> aa, bb;
function<void(int, int, double, double)> solve = [&] (int l, int r, double val_l, double val_r) {
if ((int) aa.size() == n) return;
if (l == r) {
if (collinear(l - 0.5, val_l, l, query(PX, l), r + 0.5, val_r)) return;
int b = l % PX;
if (b < 0) b += PX;
if (b > MAX_C) b -= PX;
aa.push_back((l - b) / PX);
bb.push_back(b);
return;
}
int m = l + (r - l) / 2;
double val_m = query(PX, m + 0.5);
if (collinear(l - 0.5, val_l, m + 0.5, val_m, r + 0.5, val_r)) return;
if (rand(2)) {
solve(l, m, val_l, val_m);
solve(m + 1, r, val_m, val_r);
} else {
solve(m + 1, r, val_m, val_r);
solve(l, m, val_l, val_m);
}
};
int r = PX * MAX_C + MAX_C;
int l = -r;
solve(l, r, query(PX, l - 0.5), query(PX, r + 0.5));
the_lines_are(aa, bb);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
592 KB |
Output is correct |
| 2 |
Correct |
1 ms |
436 KB |
Output is correct |
| 3 |
Correct |
1 ms |
952 KB |
Output is correct |
| 4 |
Correct |
1 ms |
440 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
692 KB |
Output is correct |
| 2 |
Correct |
3 ms |
440 KB |
Output is correct |
| 3 |
Correct |
3 ms |
452 KB |
Output is correct |
| 4 |
Correct |
1 ms |
696 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
696 KB |
Output is correct |
| 2 |
Correct |
3 ms |
852 KB |
Output is correct |
| 3 |
Correct |
2 ms |
436 KB |
Output is correct |
| 4 |
Correct |
2 ms |
692 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
36 ms |
692 KB |
Output is partially correct |
| 2 |
Partially correct |
38 ms |
696 KB |
Output is partially correct |
| 3 |
Partially correct |
31 ms |
704 KB |
Output is partially correct |
| 4 |
Partially correct |
45 ms |
692 KB |
Output is partially correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
14 ms |
440 KB |
Output is partially correct |
| 2 |
Partially correct |
12 ms |
944 KB |
Output is partially correct |
| 3 |
Partially correct |
10 ms |
440 KB |
Output is partially correct |
| 4 |
Partially correct |
10 ms |
444 KB |
Output is partially correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
36 ms |
692 KB |
Output is partially correct |
| 2 |
Partially correct |
38 ms |
696 KB |
Output is partially correct |
| 3 |
Partially correct |
31 ms |
704 KB |
Output is partially correct |
| 4 |
Partially correct |
45 ms |
692 KB |
Output is partially correct |
| 5 |
Partially correct |
14 ms |
440 KB |
Output is partially correct |
| 6 |
Partially correct |
12 ms |
944 KB |
Output is partially correct |
| 7 |
Partially correct |
10 ms |
440 KB |
Output is partially correct |
| 8 |
Partially correct |
10 ms |
444 KB |
Output is partially correct |
| 9 |
Partially correct |
31 ms |
448 KB |
Output is partially correct |
| 10 |
Partially correct |
37 ms |
436 KB |
Output is partially correct |
| 11 |
Partially correct |
33 ms |
688 KB |
Output is partially correct |
| 12 |
Partially correct |
33 ms |
440 KB |
Output is partially correct |
