Submission #1229781

#	Time	Username	Problem	Language	Result	Execution time	Memory
1229781		dinhhiep	Art Exhibition (JOI18_art)	C++20	100 / 100	106 ms	12116 KiB

art

#include<bits/stdc++.h>
using namespace std;
const int N=5e5+5;
#define int long long
pair<int,int>a[N];
int pr[N];
int res,maxx;
signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i].first >> a[i].second;
    }
    sort(a + 1,a + n + 1);
    for(int i=1;i<=n;i++){
        pr[i]=pr[i-1] + a[i].second;
        maxx=max(maxx, + a[i].first - pr[i-1]);
        res=max(res,pr[i] + maxx - a[i].first);
    }
    cout << res;
}

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