Submission #159244

#	Time	Username	Problem	Language	Result	Execution time	Memory
159244		kimbj0709	Stove (JOI18_stove)	C++17	100 / 100	27 ms	2680 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define int long long
int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int no_of_input,matches;
  int input;
  vector<int> vect1;
  int ans = 0;
  vector<int> diff;
  cin >> no_of_input >> matches;
  for(int i=0;i<no_of_input;i++){
    cin >> input;
    vect1.push_back(input);
  }
  for(int i=1;i<no_of_input;i++){
    diff.push_back(vect1[i]-vect1[i-1]);
  }
  sort(diff.begin(),diff.end());
  for(int i=0;i<no_of_input-matches;i++){
    ans += diff[i];
  }
  cout << ans+matches;
}

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