제출 #243166

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
243166	2020-06-30 13:07:32	VEGAnn	Svjetlost (COI18_svjetlost)	C++14	100 / 100	1442 ms	55184 KiB

Main

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#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define PB push_back
using namespace std;
typedef long double ld;
const int N = 400100;
const ld E = 1e-10;
const ld pi = 3.1415926535897;
vector<ld> vc;
int n, pr[N], nt[N], x[N], y[N], nm[N], q;
ld st[4 * N], psh[4 * N];
ld sqr(ld xx) { return xx * xx;}
ld dist(ld x1, ld y1, ld x2, ld y2){
    return sqrt(sqr(x1 - x2) + sqr(y1 - y2));
}
void add(int i, int j){
    ld nw_x = x[j] - x[i];
    ld nw_y = y[j] - y[i];
    ld ang = atan2(nw_y, nw_x);
    if (ang < 0) ang += pi + pi;
    vc.PB(ang);
    ang += pi;
 
 
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