Submission #722324

#	Time	Username	Problem	Language	Result	Execution time	Memory
722324		Hectorungo_18	Stove (JOI18_stove)	C++14	100 / 100	21 ms	2104 KiB

stove

#include <algorithm>
#include <iostream>
#include <map>
#include<queue>
#include<set>
#include <vector>

using namespace std;

// #define int long long int

#define vvi vector<vector<int>>
#define vi vector<int>
#define s second
#define f first

signed main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n, k;
  cin >> n >> k;
  vector<int> v(n);
  vector<int> a(n-1);
  for(int i = 0; i < n; i++){
    cin >> v[i];
    if(i > 0) a[i-1]=v[i]-v[i-1]-1;
  }
  int ans = n;
  sort(a.begin(), a.end());
  for(int i = 0; i < n-k; i++){
    ans+=a[i];
  }
  cout << ans << endl;
  return 0;
}

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