Submission #201916

#	Time	Username	Problem	Language	Result	Execution time	Memory
201916		SrpskiRatnik	Art Exhibition (JOI18_art)	C++14	50 / 100	1014 ms	24704 KiB

art

#include <bits/stdc++.h>

using namespace std;

#define ll long long

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;

    pair<ll,ll> pr[n];
    for(int i = 0; i < n; i++)
    {
        cin >> pr[i].first >> pr[i].second;
    }

    sort(pr,pr+n);

    ll pref[n+1];
    pref[0] = 0;
    for(int i = 0; i <= n; i++)
    {
        pref[i+1] = pref[i] + pr[i].second;
    }

    ll best = 0;
    for(int i = 0; i < n; i++)
    {
        for(int j = i; j < n; j++)
        {
            best = max(best, (pref[j+1] - pref[i]) - (pr[j].first - pr[i].first));
        }
    }

    cout << best;
}

/*
3
2 3
11 2
4 5
*/

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