Submission #574634

#	Time	Username	Problem	Language	Result	Execution time	Memory
574634		KrisjanisP	Stove (JOI18_stove)	C++14	100 / 100	62 ms	2796 KiB

stove

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main()
{
    ll n, k;
    cin>>n>>k;
    ll a[n];
    for(ll i=0;i<n;i++) cin>>a[i];
    ll b[n-1];
    for(ll i=0;i<n-1;i++) b[i]=a[i+1]-a[i]-1;
    sort(b,b+n-1);
    ll res = n;
    for(ll i=0;i<n-k;i++) res+=b[i];
    cout<<res<<"\n";

}

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