Submission #202237

#	Time	Username	Problem	Language	Result	Execution time	Memory
202237		AlexPop28	Stove (JOI18_stove)	C++11	100 / 100	29 ms	1656 KiB

stove

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

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

  int n, k; cin >> n >> k;
  vector<int> v(n - 1);
  int lst; cin >> lst;
  for (int i = 0; i < n - 1; ++i) {
    int x; cin >> x;
    v[i] = x - lst - 1;
    lst = x;
  }
  sort(v.begin(), v.end());

  int ans = n;
  for (int i = 0; i < n - k; ++i) {
    ans += v[i];
  }
  cout << ans << endl;
}

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