Submission #1006857

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006857		faqinyeager	Art Exhibition (JOI18_art)	C++17	100 / 100	343 ms	21208 KiB

art

#include <bits/stdc++.h>
#define ff first
#define ss second
using namespace std;
using ll = long long;
 
ll n;
vector<pair<ll, ll>> a;
 
int main(){
    cin >> n;
    
    for(int i = 0; i < n; i++){
        ll x, y;
        cin >> x >> y;
        a.push_back({x, y});
    }
    
    sort(a.begin(), a.end());
    
    ll best = 0, cur = 0;
    
    for(ll i = 0; i < n; i++){
        cur += a[i].ss;
        cur = max(cur, a[i].ss + a[i].ff);
        best = max(best, cur - a[i].ff);
    }
    
    cout << best;
}    

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