Submission #884851

#	Time	Username	Problem	Language	Result	Execution time	Memory
884851		Stiff	Stove (JOI18_stove)	C++17	100 / 100	40 ms	2516 KiB

stove

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

vector<int> v, v2;
int n, k, ans;

int main() {
  cin >> n >> k;
  int a;
  for (int i = 0; i < n; i++) {
    cin>>a;
    v.push_back(a);
  }
  for (int i = 1; i < n; i++) {
    v2.push_back(v[i] - v[i - 1] - 1);
  }
  sort(v2.begin(), v2.end(), greater<int>());
  ans = v.back() - v[0] + 1;
  for (int i = 0; i < k - 1; i++) {
    ans -= v2[i];
  }
  cout<<ans<<'\n';
  return 0;
}

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