Submission #379809

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
379809	2021-03-19 10:57:35	pit4h	Dragon 2 (JOI17_dragon2)	C++14	100 / 100	858 ms	36044 KiB

dragon2

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#include<bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
using namespace std;
using ll = long long;
using pii = pair<int, int>;
const int MAXN = 3e4+1, MAXQ = 1e5+1;
int n, m, t[MAXN], q, ans[MAXQ];
int sgn(ll x) {
  return (x>=0)?x? 1: 0: -1;
}
struct Point {
  ll x, y;
  int id;
  Point() {}
  Point(ll _x, ll _y): x(_x), y(_y) {}
  void read() { cin>>x>>y; }
  Point operator-(const Point& o) const { return Point(x-o.x, y-o.y); }
  
  bool operator<(const Point& o) const { return make_pair(x, y) < make_pair(o.x, o.y); }
  ll cross(const Point& o) {
    return (ll)x*o.y - (ll)y*o.x;
  }
  ll cross(const Point& o1, const Point& o2) {
    return (o1 - *this).cross(o2 - *this);
  }
};
Point O1, O2;
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 45 / 45
• Subtask 3: 40 / 40