Submission #601046

#	Time	Username	Problem	Language	Result	Execution time	Memory
601046		pakhomovee	Art Exhibition (JOI18_art)	C++17	100 / 100	203 ms	20816 KiB

art

#include <iostream>
#include <algorithm>
#include <vector>
#include <set>

using namespace std;

#define int long long
const int maxn = 100'001;
const int inf = 1e18;

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    vector<pair<int, int>> vec(n);
    for (int i = 0; i < n; ++i) {
        cin >> vec[i].first >> vec[i].second;
    }
    sort(vec.begin(), vec.end());
    int mx = -inf;
    int sum = 0;
    int ans = 0;
    for (auto [a, s] : vec) {
        mx = max(mx, a - sum);
        sum += s;
        ans = max(ans, sum - a + mx);
    }
    cout << ans << '\n';
}
//   a[i] - p[i] -> max

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