제출 #548835

#제출 시각아이디문제언어결과실행 시간메모리
548835JokubasStove (JOI18_stove)C++14
100 / 100
64 ms2264 KiB
#include <iostream>
#include <bits/stdc++.h>
#define pb push_back

using namespace std;

int main()
{
    int N, K;
    cin>>N>>K;

    int kada[N];
    for(int i = 0; i<N; i++)
    {
        cin>>kada[i];
    }

    priority_queue<int> q;

    int praeitas = kada[0];
    for(int i = 1; i<N; i++)
    {
        q.push(kada[i]  - praeitas - 1);
        praeitas = kada[i];
    }

    int ats = kada[N-1] - kada[0] + 1;

    for(int i = 0; i<K-1; i++)
    {
        ats-=q.top();
        q.pop();
    }

    cout<<ats;


    return 0;
}
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