제출 #233801

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
233801	2020-05-21 18:22:37	johutha	Building Bridges (CEOI17_building)	C++14	100 / 100	80 ms	12024 KiB

building

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#include <iostream>
#include <vector>
#include <set>
#define int int64_t
#define lint __int128
using namespace std;
struct line
{
    mutable long double leftp = -1e15;
    bool search = false;
    int a, b;
    line() {}
    line(int x) : search(true), a(0), b(x) {}
    line(int ia, int ib) : search(false), a(ia), b(ib) { }
    int get(int x) const
    {
        return a*x + b;
    }
    bool operator<(const line& l2) const
    {
        if (search) return b < l2.leftp;
        if (l2.search) return leftp < l2.b;
        return (a != l2.a) ? a < l2.a : b < l2.b; 
    }
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40