제출 #1087689

#제출 시각아이디문제언어결과실행 시간메모리
1087689ahmetlbktd4Stove (JOI18_stove)C++17
100 / 100
22 ms2460 KiB
#include <bits/stdc++.h>
using namespace std;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n,k;
	cin >> n >> k;
	int a[n];
	for (int i = 0;i < n;i++){
		cin >> a[i];
	} 
	vector <int> b;
	for (int i = 0;i+1 < n;i++){
		b.push_back(a[i+1]-a[i]);
	}
	int p = 0; 
	sort(b.begin(),b.end());
	for (int i = 0;i < n-k;i++){
		p += b[i];
	}
	cout <<  p+k << "\n";
}
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