제출 #366585

#제출 시각아이디문제언어결과실행 시간메모리
366585EJOI2019AndrewStove (JOI18_stove)C++14
100 / 100
52 ms2156 KiB
#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,k;
cin>>n>>k;
int arr[n],arr1[n-1];
for(int i=0; i<n; ++i)
{
cin>>arr[i];
if(i)
arr1[i-1]=arr[i]-arr[i-1]-1;
}
sort(arr1,arr1+n-1);
int ans=n;
for(int i=0; i<n-k; ++i)
ans+=arr1[i];
cout<<ans;
}
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