Submission #950894

#	Time	Username	Problem	Language	Result	Execution time	Memory
950894		star	Art Exhibition (JOI18_art)	C++14	100 / 100	131 ms	8316 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define N 500000
#define LL long long
pair<LL,LL> a[N];
LL now=1e9, ans;
int n;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    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++)
    {
        a[i].second += a[i-1].second;
        now = min(now, a[i-1].second - a[i].first);
        ans = max(ans, a[i].second - a[i].first - now);
    }
    cout << ans;
    return 0;
}

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