Submission #1258438

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258438		random_name	Art Exhibition (JOI18_art)	C++20	100 / 100	361 ms	8312 KiB

art

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

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

    vector<pair<ll, ll>> A(n);
    for(ll i = 0; i < n; i++){
        cin >> A[i].first >> A[i].second;
    }

    sort(A.begin(), A.end(), greater<pair<ll, ll>>());

    ll max_val=0;
    ll min_prev=LONG_LONG_MAX;
    ll prev_val=0;
    for(ll i = 0; i < n; i++){
        min_prev = min(min_prev, A[i].first + prev_val);
        prev_val += A[i].second;
        max_val = max(max_val, prev_val + A[i].first - min_prev);
    }

    cout << max_val << '\n';
}

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