Submission #897360

#	Time	Username	Problem	Language	Result	Execution time	Memory
897360		box	Art Exhibition (JOI18_art)	C++17	100 / 100	169 ms	20820 KiB

art

#include <bits/stdc++.h>
using namespace std;
 
int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n; cin >> n;
    vector<pair<long long, int>> a(n);
    for (auto &[x, y] : a) cin >> x >> y;
    sort(a.begin(), a.end());
    long long ans = 0, pre = 1e18, cur = 0;
    for (auto [x, y] : a) {
        pre = min(pre, cur - x);
        ans = max(ans, cur - x + y - pre), cur += y;
    }
    cout << ans << '\n';
}

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