Submission #1034002

#	Time	Username	Problem	Language	Result	Execution time	Memory
1034002		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	135 ms	21008 KiB

art

#include<bits/stdc++.h>
#define ll long long
#define ii pair<long long, long long>
using namespace std;

const int MAXN = 5*1e5 + 5;

ll n,res=0,dis=1e9;
ll a[MAXN];
ii p[MAXN];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    cin>>n;
    for(int i = 1;i<=n;i++){
        cin>>p[i].first>>p[i].second;
    }
    sort(p+1,p+n+1);
    for(int i = 1;i<=n;i++){
        p[i].second = p[i].second + p[i-1].second;
    }
    for(int i = 1;i<=n;i++){
        dis = min(dis,p[i-1].second - p[i].first);
        res = max(res,p[i].second - p[i].first - dis);
    }
    cout<<res;

    return 0;
}

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