Submission #873642

#	Time	Username	Problem	Language	Result	Execution time	Memory
873642		maxFedorchuk	Stove (JOI18_stove)	C++14	100 / 100	33 ms	7212 KiB

stove

#include <bits/stdc++.h>
using namespace std;
int main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    set < long long > st;

    long long n,k,a;
    cin>>n>>k;

    for(long long i=1;i<=n;i++)
    {
        cin>>a;
        st.insert(a);
    }
    long long res=st.size();


    vector < long long > vid;

    long long mun=-1;
    for(auto u:st)
    {
        if(mun!=-1)
        {
            vid.push_back(u-(mun+1));
        }

        mun=u;
    }

    sort(vid.begin(),vid.end());

    long long ndob=st.size()-k;
    for(long long i=0;i<ndob;i++)
    {
        res+=vid[i];
    }

    cout<<res<<"\n";
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50