Submission #1115213

#	Time	Username	Problem	Language	Result	Execution time	Memory
1115213		staszic_ojuz	Art Exhibition (JOI18_art)	C++17	100 / 100	399 ms	20816 KiB

art

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    vector<pair<long long,long long>> a(n);
    for(int i = 0;i<n;i++)
    {
        cin>>a[i].first;
        cin>>a[i].second;
    }
    sort(a.begin(),a.end());
    int l = 0,r = 0;
    long long bans = a[0].second;
    long long cans = a[0].second;
    for(int i = 1 ;i<n;i++)
    {
        r++;
        cans+=a[i].second;
        cans-=a[i].first-a[i-1].first;
        if(a[i].second > cans)
        {
            l = r;
            cans = a[i].second;
        }
        if(cans > bans)
        {
            bans = cans;
        }


    }
    cout<<bans;

}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:14:9: warning: variable 'l' set but not used [-Wunused-but-set-variable]
   14 |     int l = 0,r = 0;
      |         ^

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