Submission #895430

#	Time	Username	Problem	Language	Result	Execution time	Memory
895430		Richw818	Stove (JOI18_stove)	C++17	100 / 100	16 ms	2732 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, k;
  cin >> n >> k;
  vector<int> t(n);
  for (int i = 0; i < n; i++) {
    cin >> t[i];
  }
  int ans = t[n - 1] + 1 - t[0];
  vector<int> diffs;
  for (int i = 0; i < n - 1; i++) {
    diffs.push_back(t[i + 1] - t[i] - 1);
  }
  sort(diffs.rbegin(), diffs.rend());
  for (int i = 0; i < k - 1; i++) {
    ans -= diffs[i];
  }
  cout << ans << '\n';
  return 0;
}

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