Submission #718692

#	Time	Username	Problem	Language	Result	Execution time	Memory
718692		AndrijaM	Stove (JOI18_stove)	C++14	0 / 100	1 ms	212 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(true);
    long long n;
    long long k;
    cin>>n>>k;
    long long x[n+1];
    long long mx=0;
    long long mi=1e18;
    for(long long i=1;i<=n;i++)
    {
        cin>>x[i];
        mx=max(mx,x[i]);
        mi=min(mi,x[i]);
    }
    long long a[n+1];
    memset(a,0,sizeof a);
    for(long long i=1;i<n;i++)
    {
        a[i]=x[i+1]-x[i]-1;
    }
    sort(a,a+n);
    reverse(a,a+n);
    long long ans=mx-mi+1;
    for(long long i=1;i<k;i++)
    {
        ans-=a[i];
    }
    cout<<ans<<endl;
    return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50