제출 #1229614

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1229614		who-read-is-dog	Art Exhibition (JOI18_art)	C++20	100 / 100	356 ms	12160 KiB

art

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 5e5 + 5;
vector<pair<ll, ll>> a(N);
vector<ll> ok(N, 0);
ll INF = 1e18;
int main(){
    int n; cin >> n;
    for(int i = 1; i <= n; i++) cin >> a[i].first >> a[i].second;
    sort(a.begin() + 1, a.begin() + n + 1);
    ok[1] = a[1].second;
    for(int i = 2; i <= n; i++){
        ok[i] = ok[i - 1] + a[i].second;
    }
    ll res = -INF; ll maxping = -INF;
    for(int i = 1; i <= n; i++){
        res = max(res, a[i].first - ok[i - 1]);
        maxping = max(maxping, res - a[i].first + ok[i]);
    }
    cout << maxping;
}

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