Submission #749321

#	Time	Username	Problem	Language	Result	Execution time	Memory
749321		tch1cherin	Stove (JOI18_stove)	C++17	100 / 100	46 ms	2044 KiB

stove

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

int main() {
  int N, K;
  cin >> N >> K;
  vector<int> T(N);
  for (int &v : T) {
    cin >> v;
  }
  vector<int> D(N - 1);
  for (int i = 0; i < N - 1; i++) {
    D[i] = T[i + 1] - T[i] - 1;
  }
  sort(D.rbegin(), D.rend());
  cout << T[N - 1] - T[0] + 1 - accumulate(D.begin(), D.begin() + K - 1, 0) << "\n";
}

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