Submission #1164121

#	Time	Username	Problem	Language	Result	Execution time	Memory
1164121		GoBananas69	Art Exhibition (JOI18_art)	C++20	50 / 100	1094 ms	8008 KiB

art

#include <iostream>
#include <vector>
#include <unordered_map>
#include <algorithm>
typedef long long ll;
using namespace std;

int main() {
    ll n;
    cin >> n;
    vector<pair<ll, ll>> pics(n);
    // {size, val}
    ll t = 0;
    for (ll i = 0; i<n; ++i) {
        cin >> pics[i].first >> pics[i].second;
        t = max(t, pics[i].second);
    }
    sort(pics.rbegin(), pics.rend());
    ll res = 0;
    for (ll i = 0; i<n; ++i) {
        ll curr = pics[i].first * -1;
        ll sum = pics[i].second;
        for (ll j = i + 1; j<n; ++j) {
            sum += pics[j].second;
            res = max(res, curr + sum + pics[j].first);
        }
    }
    cout << max(res, t) << '\n';
}

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