Submission #751121

#	Time	Username	Problem	Language	Result	Execution time	Memory
751121		vjudge1	Art Exhibition (JOI18_art)	C++17	50 / 100	1066 ms	8148 KiB

art

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

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll n;
    cin >> n;
    vector<pair<ll, ll>> rock(n + 1); // w,v;
    for (int i = 1; i <= n; i++)
    {
        cin >> rock[i].first >> rock[i].second;
    }
    rock[0] = {0, 0};
    sort(rock.begin(), rock.end());
    for (int i = 1; i <= n; i++)
    {
        rock[i].second += rock[i - 1].second;
    }
    ll ans = -1;
    for (int l = 1; l <= n; l++)
    {
        for (int r = l; r <= n; r++)
        {
            ans = max(ans, (rock[r].second - rock[l - 1].second) - (rock[r].first - rock[l].first));
        }
    }
    cout << ans;
    return 0;
}

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