Submission #766228

#	Time	Username	Problem	Language	Result	Execution time	Memory
766228		Pekiban	Art Exhibition (JOI18_art)	C++17	0 / 100	0 ms	212 KiB

art

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    pair<long long, long long> a[n+1];
    a[0] = {-1e18, -1e9};
    for (int i = 1; i <= n; ++i) {
        cin >> a[i].first >> a[i].second;
    }
    sort(a, a+n+1);
    long long pref[n+1]; pref[0] = 0;
    for (int i = 1; i <= n; ++i)    pref[i] = pref[i-1]+a[i].second;
    long long ans = a[n].second;
    long long s = 0;
    for (int i = 1; i <= n; ++i) {
        ans = max(ans, (pref[i]-a[i].first)+s);
        s = max(s, a[i].first-pref[i-1]);
    }
    cout << ans << '\n';
  	return 0; 
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50