Submission #1082288

#	Time	Username	Problem	Language	Result	Execution time	Memory
1082288		Flandre	Stove (JOI18_stove)	C++17	100 / 100	41 ms	2140 KiB

stove

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

#define ui unsigned int

int main() {
  int N, K; // K is matches
  cin >> N >> K;

  ui wastes[N - 1];
  ui t[N];

  cin >> t[0];
  for (int i = 1; i < N; i++) {
    cin >> t[i];
    wastes[i-1] = t[i] - t[i-1] - 1;
  }

  sort(wastes, wastes+N-1);

  ui totalwaste = 0;
  for (int i = 0; i < N - K; i++) {
    totalwaste += wastes[i];
  }

  cout << N + totalwaste << endl;

  return 0;
}

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