제출 #1033619

#제출 시각아이디문제언어결과실행 시간메모리
1033619ara_araStove (JOI18_stove)C++17
100 / 100
21 ms3152 KiB
#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int n,k;
	cin>>n>>k;
	int t[n+1];
	vector<int> v;
	for(int i=1;i<=n;i++) cin>>t[i];
	int res=t[n]-t[1]+1;
	for(int i=2;i<=n;i++)
		v.push_back(t[i]-t[i-1]-1);
	sort(v.begin(),v.end());
	reverse(v.begin(),v.end());
	for(int i=0;i<min(k,(int)v.size())-1;i++) res-=v[i];
	cout<<res;
}
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