Submission #712049

#	Time	Username	Problem	Language	Result	Execution time	Memory
712049		happypotato	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	212 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main() {
    int n;
    cin >> n;
    pair<ll, ll> a[n];
    for (int i = 0; i < n; i++) {
        cin >> a[i].first >> a[i].second;
    }
    sort(a, a + n);
    ll mini = -a[0].first, maxi = -1e18;
    ll ans = 0;
    ll ps = 0;
    ll cur;
    for (int i = 0; i < n; i++) {
        ps += a[i].second;
        cur = ps - a[i].first;
        if (cur > maxi) {
            maxi = cur;
            ans = max(ans, maxi - mini);
        }
        if (i + 1 < n) {
            cur = ps - a[i + 1].first;
            if (cur < mini) mini = cur;
        }
    }
    cout << ans << endl;
}

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