Submission #1124128

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124128		votranngocvy	Art Exhibition (JOI18_art)	C++20	100 / 100	146 ms	12156 KiB

art

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

#define int long long
#define pii pair<int,int>
#define fi first
#define se second

const int N = 5e5 + 5;
pii a[N];
int pre[N];

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++) cin >> a[i].fi >> a[i].se;
    sort(a + 1,a + n + 1);
    for (int i = 1; i <= n; i++) pre[i] = pre[i - 1] + a[i].se;
    int mini = -a[1].fi,ans = 0;
    for (int i = 1; i <= n; i++) {
        ans = max(ans,pre[i] - a[i].fi - mini);
        mini = min(mini,pre[i] - a[i + 1].fi);
    }
    cout << ans << "\n";
}

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