제출 #1214665

#제출 시각아이디문제언어결과실행 시간메모리
1214665michael12Stove (JOI18_stove)C++20
100 / 100
28 ms1444 KiB
#include<bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
using namespace std;
int dx[4] = {0, 0, -1, 1};
int dy[4] = {-1, 1, 0, 0};
int main(){
  int a,b;
  cin >> a >> b;
  vector<int> gr(a),g;
  for(int i = 0; i < a; i++){
    cin >> gr[i];
    
  }
  for(int i = 0; i < a - 1; i++){
    g.pb(gr[i + 1] - (gr[i] + 1));
  }
  int sr = a;
  sort(g.begin(), g.end());
  for(int i = 0; i < a - b; i++){
      sr += g[i];
  }
  cout << sr << endl;
  return 0;


}
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