제출 #577649

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
577649	2022-06-15 07:26:48	tengiz05	Roads (CEOI20_roads)	C++17	15 / 100	90 ms	2768 KiB

roads

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#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
constexpr int inf = 1E9;
int Time;
struct Line {
    int x, y;
    double s;
    pair<int, int> l, r;
    Line(int x1, int y1, int x2, int y2) {
        x = x1;
        y = y1;
        if (x2 - x1 == 0) {
            s = 0;
        } else {
            s = 1. * (y2 - y1) / (x2 - x1);
        }
        l = r = {x1, y1};
    }
};
double at(const Line x) {
    return x.y + (Time - x.x) * x.s;
}
inline bool operator<(const Line &a, const Line &b) {
    if (at(a) - at(b) < -1e-9)
        return true;
 
 
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