Submission #527699

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
527699	2022-02-18 03:56:31	pokmui9909	별자리 2 (JOI14_constellation2)	C++17	100 / 100	1280 ms	1348 KiB

constellation2

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using lf = long double;
 
#define x first
#define y second
using Point = pair<ll, ll>;
Point operator+ (Point p, Point q) {return Point(p.x + q.x, p.y + q.y);}
Point operator- (Point p, Point q) {return Point(p.x - q.x, p.y - q.y);}
ll    operator* (Point p, Point q) {return p.x * q.x + p.y * q.y;}
ll    operator/ (Point p, Point q) {return p.x * q.y - q.x * p.y;}
 
ll CCW(Point p, Point q, Point r) {return (q - p) / (r - q);}
 
ll N;
Point A[3005];
ll T[3005];
ll ans = 0;
 
void add(vector<ll> &X, vector<ll> &Y, ll i, ll j){
    ll pxi = X[i], pyj = Y[j];
    X[i] = Y[j] = 1;
    ans += X[0] * X[1] * X[2] * Y[0] * Y[1] * Y[2];
    X[i] = pxi, Y[j] = pyj;
}
ll sign(Point p){
    return Point(0, 0) < p;
}
  
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 40 / 40
• Subtask 3: 45 / 45