Submission #164120

#	Time	Username	Problem	Language	Result	Execution time	Memory
164120		cfalas	Stove (JOI18_stove)	C++14	100 / 100	87 ms	1908 KiB

stove

#include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define INF 10000000
#define MOD 1000000007
#define ll long long
#define F first
#define S second
typedef pair<ll, ll> ii;
typedef pair<ii, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef map<int, int> mii;

int main(){
	int n, k;
	cin>>n>>k;
	int pr, c;
	cin>>pr;
	vi tot;
	for(int i=0;i<n-1;i++){
		cin>>c;
		//cout<<c - pr<<endl;
		tot.push_back(c - pr - 1);
		pr = c;
	}
	sort(tot.begin(), tot.end());
	int ans = n;
	for(int i=0;i<(n-k);i++){
		ans+=tot[i];
	}
	cout<<ans<<endl;


}

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