Submission #537484

#	Time	Username	Problem	Language	Result	Execution time	Memory
537484		andrei_boaca	Stove (JOI18_stove)	C++14	100 / 100	62 ms	2744 KiB

stove

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
ll n,v[100005],k;
vector<int> vals;
int main()
{
    cin>>n>>k;
    for(int i=1;i<=n;i++)
        cin>>v[i];
    sort(v+1,v+n+1);
    for(int i=1;i<n;i++)
        vals.push_back(v[i]-v[i+1]);
    sort(vals.begin(),vals.end());
    ll suma=0;
    for(int j=0;j+1<k;j++)
        suma+=vals[j];
    suma+=k;
    suma-=v[1];
    suma+=v[n];
    cout<<suma;
    return 0;
}

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