제출 #678510

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
678510		vjudge1	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	212 KiB

art

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

#define int long long
#define fi first
#define se second
#define pb push_back

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 6e5 + 5;
const int mod = 1e9 + 7, oo = 1e18 + 7;

int n;
ii arr[N];

void process(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> arr[i].fi >> arr[i].se;
    }
    sort(arr + 1, arr + n + 1);
    int mini = 0, pref = 0, answer = -oo;
    for(int i = 1; i <= n; i++){
        pref += arr[i].se;
        //cout << pref << " " << arr[i].fi << " " << mini << '\n';
        answer = max(answer, (pref - arr[i].fi - mini));
        mini = min(mini, (pref - arr[i].se) - arr[i].fi);
    }
    cout << answer << "\n";
}

signed main(){
    ios_base::sync_with_stdio(0);
    //freopen("KEK.inp", "r", stdin);
    //freopen("KEK.out", "w", stdout);
    cin.tie(0);
    process();
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50