Submission #564065

#	Time	Username	Problem	Language	Result	Execution time	Memory
564065		Trisanu_Das	Stove (JOI18_stove)	C++17	100 / 100	65 ms	2196 KiB

stove

#include <bits/stdc++.h>
using namespace std;
 
// difficulty: cakewalk if u know there is a thing called priority queue
 
int main(){
  int n, k; cin >> n >> k;
  priority_queue<int, vector<int>, greater<int> >  times;
  int a[n];
  int ans = n;
  for(int i = 0; i < n; i++){
    cin >> a[i];
    if(i > 0) times.push(a[i] - a[i - 1] - 1);
  }
  k = n - k;
  while(k > 0 && !times.empty()){
    ans += times.top(); times.pop(); k--;
  }
  cout << ans << '\n';
}

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