Submission #651372

#	Time	Username	Problem	Language	Result	Execution time	Memory
651372		pauloamed	Stove (JOI18_stove)	C++14	100 / 100	52 ms	3236 KiB

stove

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

#define int long long


int32_t main(){
  int n, k; cin >> n >> k;
  vector<int> v(n);
  for(auto &x : v) cin >> x;

  priority_queue<int> pq;
  for(int i = 1; i < n; ++i){
    pq.push(v[i] - v[i - 1] - 1);
  }

  int ans = v.back() - v.front() + 1;
  for(int i = 1; i < k; ++i){
    ans -= pq.top();
    pq.pop();
  }
  cout << ans << "\n";
}

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