Submission #1313073

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313073		Agageldi	Art Exhibition (JOI18_art)	C++20	100 / 100	129 ms	15932 KiB

art

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

#define int long long
#define N 500005
#define f first
#define s second

int tc = 1, n, ans = LLONG_MIN, p[N], S[N];
pair <int,int> a[N];

int32_t main() {
    ios::sync_with_stdio(0);cin.tie(0);
    cin >> n;
    for(int i = 1; i <= n; i++) {
        cin >> a[i].f >> a[i].s;
    }
    sort(a + 1, a + n + 1);
    for(int i = 1; i <= n; i++) {
        S[i] = a[i].s + S[i - 1];
        p[i] = max(p[i - 1], a[i].f - S[i - 1]);
        ans = max(ans,S[i] - a[i].f + p[i]);
    }

    cout << ans << '\n';
    return 0;
}

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