Submission #466729

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
466729	2021-08-20 14:21:00	palilo	먼 별 (KOI16_dist)	C++17	100 / 100	292 ms	3348 KiB

dist

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#include <bits/stdc++.h>
using namespace std;
template <class T>
bool chmin(T& _old, T _new) { return _old > _new && (_old = _new, true); }
template <class T>
bool chmax(T& _old, T _new) { return _old < _new && (_old = _new, true); }
/* basics */
namespace geo {
#define EPS 1e-8
template <typename T, enable_if_t<is_integral<T>::value, bool> = true>
int sign(T x) { return (x > 0) - (x < 0); }
template <typename T, enable_if_t<is_floating_point<T>::value, bool> = true>
int sign(T x) { return (x > EPS) - (x < -EPS); }
}; // namespace geo
/* point2D */
namespace geo {
template <typename T>
struct point2D {
    T x, y;
    point2D() = default;
    point2D(T _x, T _y) : x(_x), y(_y) {}
    template <typename U>
    explicit point2D(const point2D<U>& p) : x(p.x), y(p.y) {}
    using P = point2D;
    bool operator<(const P& p) const { return tie(x, y) < tie(p.x, p.y); }
 
 
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Compilation message (stderr)

dist.cpp: In function 'int main()':
dist.cpp:125:10: warning: variable 'cross2' set but not used [-Wunused-but-set-variable]
  125 |     auto cross2 = [&](const pair<int, int>& u, const pair<int, int>& v) {
      |          ^~~~~~
dist.cpp:128:10: warning: variable 'cross3' set but not used [-Wunused-but-set-variable]
  128 |     auto cross3 = [&](const pair<int, int>& o, const pair<int, int>& u, const pair<int, int>& v) {
      |          ^~~~~~
dist.cpp:132:10: warning: variable 'dist' set but not used [-Wunused-but-set-variable]
  132 |     auto dist = [&](const pair<int, int>& u, const pair<int, int>& v) {
      |          ^~~~

• Subtask 1: 2 / 2
• Subtask 2: 40 / 40
• Subtask 3: 39 / 39
• Subtask 4: 19 / 19