Submission #1214665

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214665		michael12	Stove (JOI18_stove)	C++20	100 / 100	28 ms	1444 KiB

stove

#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;


}

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