Submission #942717

# Submission time Handle Problem Language Result Execution time Memory
942717 2024-03-11T03:31:03 Z marvinthang Nicelines (RMI20_nicelines) C++17
84.5952 / 100
36 ms 848 KB
/*************************************
*    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;
        solve(l, m, val_l, val_m);
        solve(m + 1, r, val_m, val_r);
    };
    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 444 KB Output is correct
2 Correct 1 ms 696 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 440 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 696 KB Output is correct
2 Correct 3 ms 440 KB Output is correct
3 Correct 4 ms 452 KB Output is correct
4 Correct 1 ms 696 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 452 KB Output is correct
2 Correct 2 ms 600 KB Output is correct
3 Correct 2 ms 444 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 30 ms 692 KB Output is partially correct
2 Partially correct 27 ms 848 KB Output is partially correct
3 Partially correct 28 ms 692 KB Output is partially correct
4 Partially correct 31 ms 616 KB Output is partially correct
# Verdict Execution time Memory Grader output
1 Partially correct 10 ms 436 KB Output is partially correct
2 Partially correct 10 ms 440 KB Output is partially correct
3 Partially correct 14 ms 692 KB Output is partially correct
4 Partially correct 11 ms 436 KB Output is partially correct
# Verdict Execution time Memory Grader output
1 Partially correct 30 ms 692 KB Output is partially correct
2 Partially correct 27 ms 848 KB Output is partially correct
3 Partially correct 28 ms 692 KB Output is partially correct
4 Partially correct 31 ms 616 KB Output is partially correct
5 Partially correct 10 ms 436 KB Output is partially correct
6 Partially correct 10 ms 440 KB Output is partially correct
7 Partially correct 14 ms 692 KB Output is partially correct
8 Partially correct 11 ms 436 KB Output is partially correct
9 Partially correct 34 ms 436 KB Output is partially correct
10 Partially correct 30 ms 432 KB Output is partially correct
11 Partially correct 36 ms 696 KB Output is partially correct
12 Partially correct 31 ms 452 KB Output is partially correct