제출 #1091915

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1091915		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	21 ms	2272 KiB

stove

#include <bits/stdc++.h>
#define ll long long int
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define PB push_back
#define PF push_front
#define MOD 1000000007
#define intxt freopen("input.txt","r",stdin)
#define outtxt freopen("output.txt","w",stdout)

using namespace std;

const int MAXN = 2e5 + 10;
int n ,k ,a[MAXN];
vector <int> v;

int main() {
	
	ios_base::sync_with_stdio(0);
	
	cin >> n >> k;
	
	for(int i = 1 ; i <= n ; i++) {
		cin >> a[i];
	}
	sort(a + 1 , a + n + 1);
	for(int i = 2 ; i <= n ; i++) {
		v.PB(a[i] - a[i - 1] - 1);
	}
	sort(v.begin() , v.end());
	
	int ans = n;
	for(int i = 0 ; i < n - k ; i++) {
		ans += v[i];
	}
	
	cout << ans;
}
//Hello

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50