제출 #127210

#제출 시각아이디문제언어결과실행 시간메모리
127210gaoxam123Stove (JOI18_stove)C++14
0 / 100
2 ms256 KiB
#include<bits/stdc++.h>
using namespace std;
int n,k;
int a[100005];
vector<int> ans;
int main(){
	cin>>n>>k;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	for(int i=2;i<=n;i++){
		ans.push_back(a[i]-a[i-1]);
	}
	sort(ans.begin(),ans.end());
	int cnt=k;
	for(int i=1;i<=n-k;i++){
		cnt+=ans[i];
	}
	cout<<cnt;
}
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