Submission #541967

#	Time	Username	Problem	Language	Result	Execution time	Memory
541967		DemonLord154	Stove (JOI18_stove)	C++14	0 / 100	0 ms	212 KiB

stove

#include<iostream>
#include<vector>
#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,k;
  cin>>n>>k;
  vector<int> vec(n);
  for (int i=0;i<n;i++){
    cin>>vec[i];
  }
	sort(vec.begin(),vec.end());
  vector<int> intervals;
  for (int i=1;i<n;i++){
    if (vec[i]-vec[i-1]-1>0){
      intervals.push_back(vec[i]-vec[i-1]-1);
    }
  }
  sort(intervals.begin(),intervals.end());
  if ((int)intervals.size()<k){
    cout<<n<<"\n";
  } else{
    int ans=0;
    for (int i=0;i<n-k-1;i++){
      ans+=intervals[i];
    }
    cout<<(n+ans)<<"\n";
  }
}

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