Submission #366585

#	Time	Username	Problem	Language	Result	Execution time	Memory
366585		EJOI2019Andrew	Stove (JOI18_stove)	C++14	100 / 100	52 ms	2156 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,k;
cin>>n>>k;
int arr[n],arr1[n-1];
for(int i=0; i<n; ++i)
{
cin>>arr[i];
if(i)
arr1[i-1]=arr[i]-arr[i-1]-1;
}
sort(arr1,arr1+n-1);
int ans=n;
for(int i=0; i<n-k; ++i)
ans+=arr1[i];
cout<<ans;
}

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