Submission #284466

#	Time	Username	Problem	Language	Result	Execution time	Memory
284466		NicolaAbusaad2014	Stove (JOI18_stove)	C++14	100 / 100	28 ms	2944 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    long long n,k,ans;
    cin>>n>>k;
    long long arr[n],z[n-1];
    for(long i=0;i<n;i++){
    cin>>arr[i];
    }
    ans=arr[n-1]-arr[0]+1;
    for(long i=1;i<n;i++){
    z[i-1]=arr[i]-arr[i-1]-1;
    }
    sort(z,z+n-1,greater<long long>());
    for(long i=0;i<k-1;i++){
    ans-=z[i];
    }
    cout<<ans<<endl;
    return 0;
}

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