제출 #875783

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
875783		nasir_bashirov	Art Exhibition (JOI18_art)	C++11	100 / 100	415 ms	20564 KiB

art

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

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

#define db long double
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pii>
#define vll vector<pll>
#define endl '\n'
#define all(x) x.begin(), x.end()
#define fastio\
    ios_base::sync_with_stdio(0);\
    cin.tie(0);\
    cout.tie(0)\

#define int long long

const int sz = 5e5 + 5;
int n, pre;
pii a[sz];

signed main(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i].first >> a[i].second;
    }
    sort(a + 1, a + n + 1);
    int res = -1e18, s = 0;
    for(int i = 1; i <= n; i++){
        pre = max(pre, a[i].first - s);
        s += a[i].second;
        res = max(res, s + pre - a[i].first);
    }
    cout << res;    
}

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