제출 #868916

#제출 시각아이디문제언어결과실행 시간메모리
868916F_UniverseStove (JOI18_stove)C++14
0 / 100
1 ms344 KiB
#include <bits/stdc++.h>
using namespace std;

int main(){
  int n,k;
  cin >>n >>k;
  int x[n];
  int y[n];
  int sum=0;
  y[0]=0;
  for(int i=0;i<n;i++){
    cin >>x[i];
  }
  for(int i=1;i<n;i++){
    y[i]=x[i]-x[i-1];
    
  }
  sort(y,y+n);
  for(int i=0;i<n-k;i++){
    sum+=y[i]+1;
  }
  printf("%d",sum);

  
}
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