Submission #684304

#	Time	Username	Problem	Language	Result	Execution time	Memory
684304		Breadz	Rasvjeta (COCI17_rasvjeta)	C++17	50 / 50	1 ms	256 KiB

rasjveta

#include <bits/stdc++.h>
using namespace std;
bitset<2001> bs;
int main()
{
  int n; cin >> n;
  int m; cin >> m;
  int k; cin >> k;
  vector<int> lights(m);
  for(int i = 0; i < m; i++)
  {
    cin >> lights[i];
    for(int j = max(lights[i]-k, 1); j <= min(lights[i]+k, n); j++){bs[j] = 1;}
  }
  int ans = 0;
  for(int i = 1; i <= n; i++)
  {
    if(!bs[i])
    {
      ans++;
      int val = i+k;
      for(int j = max(val-k, 1); j <= min(val+k, n); j++){bs[j] = 1;}
    }
  }
  cout << ans << '\n';
}

• Subtask 1: 50 / 50