Submission #995647

#	Time	Username	Problem	Language	Result	Execution time	Memory
995647		Luca1234	Art Exhibition (JOI18_art)	C++14	50 / 100	1036 ms	20892 KiB

art

#include <bits/stdc++.h>

using namespace std;

vector <pair <long long, int> > v;

int main()
{
    int n, val;
    long long sz;
    cin>>n;
    for(int i=1; i<=n; i++)
    {
        cin>>sz>>val;
        v.push_back({sz, val});
    }
    sort(v.begin(), v.end());
    long long last=-1;
    for(int i=0; i<v.size(); i++)
    {
        if(v[i].first==last)
        {
            v[i-1].second+=v[i].second;
            v.erase(v.begin()+i);
        }
        last=v[i].first;
    }
    int lg=v.size();
    long long ans=-1;
    for(int i=0; i<lg; i++)
    {
        long long sum=0;
        for(int j=i; j<lg; j++){
            sum+=v[j].second;
            if(sum-(v[j].first-v[i].first)>ans)
                ans=sum-(v[j].first-v[i].first);
        }
    }
    cout<<ans;

    return 0;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i=0; i<v.size(); i++)
      |                  ~^~~~~~~~~

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