Submission #1322325

#	Time	Username	Problem	Language	Result	Execution time	Memory
1322325		cavid_07	Stove (JOI18_stove)	C++20	100 / 100	22 ms	2360 KiB

stove

#include <bits/stdc++.h>
#define ll long long
using namespace std;

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(nullptr);

  int n, k;
  cin >> n >> k;
  vector<ll> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  vector<ll> v;
  for (int i = 0; i < n - 1; i++) {
    v.push_back(a[i + 1] - a[i] - 1);
  }
  sort(v.begin(), v.end());
  ll res = n;
  for (int i = 0; i < n - k; i++) {
    res += v[i];
  }
  cout << res;
}

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