Submission #959717

#	Time	Username	Problem	Language	Result	Execution time	Memory
959717		alo_54	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	348 KiB

art

#include <bits/stdc++.h>
using namespace std;

const int oo = 1e9 + 7;

void opt()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);
}

struct Artwork
{
    bool operator< (Artwork otro) const
    {
        return size < otro.size;
    }

    int size, value;
};


int main()
{
    opt();

    int n; cin>>n;

    Artwork candidates[n];

    for (int i = 0; i < n; i++)
    {
        cin>>candidates[i].size>>candidates[i].value;
    }

    sort(candidates, candidates + n);

    int sumAc[n];
    int aux = 0;

    for (int i = 0; i < n; i++)
    {
        aux += candidates[i].value;
        sumAc[i] = aux;
    }

    int maxR = -oo;

    for (int i = 0; i < n - 1; i++)
    {
        int ini = i;

        for (int j =  ini + 1; j < n; j++)
        {
            int fin = j;

            int cost;

            if (i == 0)
            {
                cost = sumAc[j];
            }else
            {
                cost = sumAc[j] - sumAc[ini - 1];
            }

            cost -= (candidates[fin].size - candidates[ini].size);

            maxR = max(maxR, cost);
            
        }
        
    }

    cout<<maxR<<"\n";
    
    

    

}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50