Submission #207068

#	Time	Username	Problem	Language	Result	Execution time	Memory
207068		Blerargh	Stove (JOI18_stove)	C++17	0 / 100	5 ms	504 KiB

stove

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
int main(){
  ll n, k, x, prev, sum=0;
  cin >> n >> k >> prev;
  vector<int> v;
  for (int i=1; i<n; i++){
    cin >> x;
    sum += x-prev;
    v.push_back(x-prev);
    prev=x;
  }
  sort(v.begin(), v.end(), greater<int>());
  for (int i=0; i<k-1; i++){
    sum-=v[i];
    sum++;
  }
  cout << sum;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50