Submission #370539

#	Time	Username	Problem	Language	Result	Execution time	Memory
370539		amano_hina	Stove (JOI18_stove)	C++14	100 / 100	50 ms	1280 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int n,k,ans,a[100005],b[100005];
int main()
{
    cin>>n>>k;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
    }
    for(int i=2;i<=n;i++)
    {
        b[i-2]=a[i]-(a[i-1]+1);
    }
    sort(b,b+(n-1));
    ans=n;
    for(int i=0;i<=n-k-1;i++)
    {
        ans=ans+b[i];
    }
    cout<<ans;


}

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