Submission #721394

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
721394	2023-04-10 19:43:21	vjudge1	Telefoni (COCI17_telefoni)	C++17	16 / 80	18 ms	2004 KiB

telefoni

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#include <bits/stdc++.h>
#define F first
#define S second
#define ll long long
#define EB emplace_back
using namespace std;
const int SIZE = 1e5 + 1;
const int MOD = 1e9 + 7;
int main() {
  ios_base::sync_with_stdio(0); cin.tie(nullptr);
    int n, d; cin >> n >> d;
    vector<int> M(n + 1);
    int cnt = 0;
    for (int i = 1; i <= n; i ++) {
         cin >> M[i];
  }
    for (int i = 1; i <= n; i += d) {
         if (M[i] == 0) {
          cnt ++;
    }
  }
  cout << cnt << "\n";
 
 
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• Subtask 1: 16 / 80