Submission #1290548

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290548		topraksenn	Art Exhibition (JOI18_art)	C++20	100 / 100	414 ms	12156 KiB

art

#include <bits/stdc++.h>
#define int long long
using namespace std;
int32_t main(){
    int n;
    cin >> n;
    vector<pair<int,int>> a(n);
    for(int i=0;i<n;i++){
        cin>>a[i].first>>a[i].second;
    }
    if(n==1){
        cout<<a[0].second<<endl;
        return 0;
    }
    sort(a.begin(),a.end()); 
    vector<int>p(n+1,0);
    for(int i=0;i<n;i++){
        p[i+1]=p[i]+a[i].second;
    }
    int r=a[0].second;
    int maxx=a[0].first-p[0];
    for(int i=1;i<n;i++){
        r=max(r,p[i+1]-a[i].first+maxx);
        r=max(r,a[i].second);
        maxx=max(maxx,a[i].first-p[i]);
    }
    cout<<r<<endl;
    return 0;
}

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