Submission #335918

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
335918	2020-12-14 09:36:38	mihai145	Discharging (NOI20_discharging)	C++14	100 / 100	151 ms	24556 KiB

Discharging

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#include <iostream>
#include <deque>
using namespace std;
struct Line
{
    long long m, n;
    long long eval(long long x)
    {
        return m * x + n;
    }
    long double intersect(Line l)
    {
        return (1.0 * (l.n - n)) / (1.0 * (m - l.m));
    }
};
struct CHT
{
    deque <Line> dq;
    void Insert(Line l)
    {
        while((int)dq.size() > 1 && dq.end()[-1].intersect(l) < dq.end()[-2].intersect(dq.end()[-1]))
            dq.pop_back();
        dq.push_back(l);
 
 
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• Subtask 2: 13 / 13
• Subtask 3: 25 / 25
• Subtask 4: 11 / 11
• Subtask 5: 14 / 14
• Subtask 6: 28 / 28