제출 #1272430

#제출 시각아이디문제언어결과실행 시간메모리
1272430kanyeStove (JOI18_stove)C++20
0 / 100
0 ms332 KiB
#include <bits/stdc++.h>

using namespace std;

int v[100005];
int d[100005];

int main()
{
    int n,k;
    cin>>n>>k;
    for(int i=1;i<=n;i++){
        cin>>v[i];
    }
    v[n+1]=v[n];
    for(int i=1;i<=n;i++){
        d[i]=v[i+1]-v[i]+1;
    }
    sort(d+1, d+n+1);
    long long int s=0;
    for(int i=1;i<=k;i++)
        s+=d[i];
    cout<<s;
    return 0;
}
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