Submission #699624

#	Time	Username	Problem	Language	Result	Execution time	Memory
699624		Galal012	Art Exhibition (JOI18_art)	C++17	100 / 100	169 ms	12420 KiB

art

#include <bits/stdc++.h>
#define IOS ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define int long long
using namespace std;
signed main()
{
    IOS;
    int n, ans = 0;
    cin >> n;
    pair <int, int> pr[n];
    int arr[n];
    for (int i = 0; i < n; i++)
        cin >> pr[i].first >> pr[i].second;
    sort(pr, pr+n);
    arr[0] = pr[0].second;
    ans = arr[0];
    for (int i = 1; i < n; i++)
    {
        int sum = arr[i-1]+pr[i-1].first+pr[i].second;
        arr[i] = max(pr[i].second, sum-pr[i].first);
        ans = max(ans, arr[i]);
    }
    cout << ans;
    return 0;
}

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