제출 #1334422

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1334422		WongYiKai	Art Exhibition (JOI18_art)	C++20	100 / 100	411 ms	8760 KiB

art

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

int main(){
    ll n;
    cin >> n;
    vector<pair<ll,ll>> v;
    for (int i=0;i<n;i++){
        ll a,b;
        cin >> a >> b;
        v.push_back({a,b});
    }
    sort(v.begin(),v.end());
    ll mn = 2e15, mx = -2e15;
    ll pref = 0;
    for (int i=0;i<n;i++){
        mn = min(mn, pref-v[i].first);
        pref += v[i].second;
        mx = max(mx, pref-v[i].first-mn);
    }
    cout << mx;
}

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