Submission #48910

#	Time	Username	Problem	Language	Result	Execution time	Memory
48910		faustaadp	Stove (JOI18_stove)	C++17	100 / 100	43 ms	10288 KiB

stove

#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll n,k,i,a[101010],has;
vector<ll> v;
int main()
{
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>n>>k;
	for(i=1;i<=n;i++)
		cin>>a[i];
	for(i=1;i<n;i++)
		v.pb(a[i+1]-a[i]-1);
	sort(v.begin(),v.end());
	for(i=0;i<n-k;i++)
		has+=v[i];
	has+=n;
	cout<<has<<"\n";
}

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