제출 #267135

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
267135	2020-08-15 21:22:06	eohomegrownapps	Discharging (NOI20_discharging)	C++14	100 / 100	891 ms	6904 KiB

Discharging

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
struct Line{
    ll m, c;
    Line(ll _m, ll _c){
        m=_m;c=_c;
    }
    ll f(ll x){
        return m*x+c;
    }
    ld intersectX(Line l){
        return (1.0*l.c-c)/(m-l.m);
    }
};
deque<Line> hull;
bool isBetter(Line l){
    return (l.intersectX(hull[hull.size()-1])<l.intersectX(hull[hull.size()-2]));
}
void add(Line l){
    if (hull.size()>0&&hull.back().m==l.m){
        if (l.c<hull.back().c){
 
 
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