結果
| 問題 | No.5009 Draw A Convex Polygon |
| コンテスト | |
| ユーザー |
emthrm
|
| 提出日時 | 2022-12-02 18:21:38 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 891 ms / 2,600 ms |
| コード長 | 5,230 bytes |
| コンパイル時間 | 2,098 ms |
| 実行使用メモリ | 24,448 KB |
| スコア | 1,000,000 |
| 平均クエリ数 | 1000001.00 |
| 最終ジャッジ日時 | 2022-12-02 18:21:43 |
| 合計ジャッジ時間 | 4,880 ms |
|
ジャッジサーバーID (参考情報) |
judge14 / judge12 |
| 純コード判定しない問題か言語 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 1 |
ソースコード
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
using ll = long long;
constexpr int INF = 0x3f3f3f3f;
constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL;
constexpr double EPS = 1e-8;
constexpr int MOD = 998244353;
// constexpr int MOD = 1000000007;
constexpr int DY4[]{1, 0, -1, 0}, DX4[]{0, -1, 0, 1};
constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1};
constexpr int DX8[]{0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U>
inline bool chmax(T& a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U>
inline bool chmin(T& a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
IOSetup() {
std::cin.tie(nullptr);
std::ios_base::sync_with_stdio(false);
std::cout << fixed << setprecision(20);
}
} iosetup;
template <typename T = long long>
struct Rational {
T num, den;
Rational() : num(0), den(1) {}
Rational(const T num, const T den = 1) : num(num), den(den) {
// assert(den != 0);
reduce();
}
template <typename Real = long double>
Real to_real() const { return static_cast<Real>(num) / den; }
Rational& operator+=(const Rational& x) {
const T g = std::__gcd(den, x.den);
num = num * (x.den / g) + x.num * (den / g);
den *= x.den / g;
reduce();
return *this;
}
Rational& operator-=(const Rational& x) { return *this += -x; }
Rational& operator*=(const Rational& x) {
const T g1 = std::__gcd(num, x.den), g2 = std::__gcd(den, x.num);
num = (num / g1) * (x.num / g2);
den = (den / g2) * (x.den / g1);
reduce();
return *this;
}
Rational& operator/=(const Rational& x) {
return *this *= Rational(x.den, x.num);
}
bool operator==(const Rational& x) const {
return num == x.num && den == x.den;
}
bool operator!=(const Rational& x) const { return !(*this == x); }
bool operator<(const Rational& x) const { return num * x.den < x.num * den; }
// bool operator<(const Rational& x) const { return (x - *this).num > 0; }
bool operator<=(const Rational& x) const { return !(x < *this); }
bool operator>(const Rational& x) const { return x < *this; }
bool operator>=(const Rational& x) const { return !(*this < x); }
Rational& operator++() {
if ((num += den) == 0) den = 1;
return *this;
}
Rational operator++(int) {
const Rational res = *this;
++*this;
return res;
}
Rational& operator--() {
if ((num -= den) == 0) den = 1;
return *this;
}
Rational operator--(int) {
const Rational res = *this;
--*this;
return res;
}
Rational operator+() const { return *this; }
Rational operator-() const { return Rational(-num, den); }
Rational operator+(const Rational& x) const { return Rational(*this) += x; }
Rational operator-(const Rational& x) const { return Rational(*this) -= x; }
Rational operator*(const Rational& x) const { return Rational(*this) *= x; }
Rational operator/(const Rational& x) const { return Rational(*this) /= x; }
friend std::ostream& operator<<(std::ostream& os, const Rational& x) {
if (x.den == 1) return os << x.num;
return os << x.num << '/' << x.den;
}
private:
void reduce() {
const T g = std::__gcd(num, den);
num /= g;
den /= g;
if (den < 0) {
num = -num;
den = -den;
}
}
};
namespace std {
template <typename T>
Rational<T> abs(Rational<T> x) {
if (x.num < 0) x.num = -x.num;
return x;
}
template <typename T>
Rational<T> max(const Rational<T>& a, const Rational<T>& b) {
return a < b ? b : a;
}
template <typename T>
Rational<T> min(const Rational<T>& a, const Rational<T>& b) {
return a < b ? a : b;
}
template <typename T> struct numeric_limits<Rational<T>> {
static constexpr Rational<T> max() { return std::numeric_limits<T>::max(); }
static constexpr Rational<T> lowest() {
return std::numeric_limits<T>::lowest();
}
};
} // namespace std
int main() {
using rational = Rational<>;
constexpr int N = 1000000, C = 641;
vector<rational> v{0};
v.reserve(C * C + 1);
for (int num = 1; num <= C; ++num) {
for (int den = 1; den <= C; ++den) {
v.emplace_back(num, den);
}
}
sort(ALL(v));
v.erase(unique(ALL(v)), v.end());
v.resize(N / 4);
cout << N << '\n';
int x = 0, y = -80159743;
for (const rational& r : v) {
x += r.den;
y += r.num;
cout << x << ' ' << y << '\n';
}
for (const rational& r : v) {
x -= r.num;
y += r.den;
cout << x << ' ' << y << '\n';
}
for (const rational& r : v) {
x -= r.den;
y -= r.num;
cout << x << ' ' << y << '\n';
}
for (const rational& r : v) {
x += r.num;
y -= r.den;
cout << x << ' ' << y << '\n';
}
return 0;
// int lb = llround(sqrt(N / 4)), ub = 10000;
// while (ub - lb > 1) {
// const int mid = (lb + ub) / 2;
// vector<rational> v;
// v.reserve(mid * mid);
// for (int num = 1; num <= mid; ++num) {
// for (int den = 1; den <= mid; ++den) {
// v.emplace_back(num, den);
// }
// }
// sort(ALL(v));
// v.erase(unique(ALL(v)), v.end());
// (v.size() >= N / 4 - 2 ? ub : lb) = mid;
// }
}
emthrm