Submission #925531

#	Time	Username	Problem	Language	Result	Execution time	Memory
925531		VMaksimoski008	Art Exhibition (JOI18_art)	C++14	100 / 100	426 ms	18876 KiB

art

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
    int n;
    cin >> n;

    vector<pair<ll, ll> > v(n+1);
    for(int i=1; i<=n; i++) cin >> v[i].first >> v[i].second;
    sort(v.begin()+1, v.end());

    ll ans = 0, mx = -1e18;
    vector<ll> pref(n+1);
    for(int i=1; i<=n; i++) {
        pref[i] = pref[i-1] + v[i].second;
        mx = max(mx, v[i].first - pref[i-1]);
        ans = max(ans, pref[i] - v[i].first + mx);
    }

    cout << ans << '\n';
    return 0;
}

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