Submission #1282090

#	Time	Username	Problem	Language	Result	Execution time	Memory
1282090		xorreverse	Art Exhibition (JOI18_art)	C++20	100 / 100	406 ms	12152 KiB

art

#include<bits/stdc++.h>
#define int long long
using namespace std;
int n;
pair<int, int> s[500005];
int sum[500005];
signed main(){
    cin >> n;
    for (int i = 1; i <= n; i ++){
        cin >> s[i].first >> s[i].second;
    }
    sort(s + 1, s + 1 + n);
    int res = 0;
    int mn = -1e18;
    for (int i = 1; i <= n; i ++){
        sum[i] = sum[i - 1] + s[i].second;
        mn = max(mn, -sum[i - 1] + s[i].first);
        res = max(res, (sum[i] - s[i].first) + mn);

    }
    cout << res << endl;
}

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